HYDRAULIC SYSTEM DESCRIPTION AND MAINTENANCE INSTRUCTIONS

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP82-00038R002000190001-0
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 70
• Document Creation Date: December 22, 2016
• Document Release Date: April 8, 2011
• Sequence Number: 1
• Content Type: REPORT

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CONTENTS
I, DESCRIPTION
A. Application and Basic Characteristics
B. General Description
Control Circuitry of Motor-Driven Pumps
Manual Control of Motor-Driven Pumps .. .
Automatic Control of Motor-Driven Pumps
Description of Automatic Operation of
Motor-Driven Pumps
C. Descripti.)n of Individual Units
Air-hydraulic Accumulators
Tanks
Control Valves * ?
Hand Pump
Cut-Off Valve ************eaeo*
By-Pass Slidc:-Type Cock * *****4005******
By-Pass Slide Valve
Filters
o
Air Flask
Oil Cooler
D. Control and Measuriag instruments ..... .00
* ? 0 * 0. ? * 0 0 0 0 *
*
E. Adjustable Fittings ..
II. MAINTENANCE INSTRUCTIONS
A. General Supervision and Care
?
Face
5
5
7
14
16
17
18
21.
21
22
22
24
25
1. 26
2?
27
28
a
29
3
Upkeep
B. Putting the Hydraulic System into
Operation, Miring-Operation Servio
and Stopping . ... floo****
Initial Condition
Preparing the System for -
Putting the Hydraulic 817040a(#0*,
-
C5;teration. During
-
Stopping the
Interatixtviifl
-
Maintenance in gar
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Stopping the System
Maintenance At Long-Term
Standstill
Troubles and Remedies
Preventive Inspections and Repairs
Filling, Draining and Flushing the
a.
oe?????????? .0?84?40. met
0 ? OOOOO ? 0 ? ? 0
System
*46*?06?000000054.0?00?0 0,6 ? OO
Filling System pith Oil
Filling System, Air Flasks and Air-
Hydraulic Accumulators with Air
Draining the System .???.????????,,i,
Flushing the System
* S S ? 5 0 ? *
Pae,:e
43
O * 00* 0 9 *9 0 ,
0 ? a9.S 11 .0 09
?????000**0
000000 se air
04040******
0640600.000000000
G. Testing the System for Tightness *0041.0040
Testing the Air Piping (0,.0,-000000.00,49,
Testing the Hydraulic System 44.04004p
Testing the Cooling Water Piping 04D00?40.0400
H. Reference Data ? ? op?ow??.41?4140410,0*.W**:04UA,
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DESCRIPTION
UldeatIZEMISiagaggen==4123
A, APPLICATION AND BASIC CHARACTERISTICS
APPLICATIGV
1. The submarine's hydraulic systemii donigaed to 4rtV8
the following operating meChanisms:
- stern plane and vertical rudder tilting rims, bow
plane tilting and rigging ramss
- hoists of night altiscope P3lir-14 and
mtkia lotActrAmdeicAlikAk
air ,
ruc
'"43 5 ;
- hoist of masts of devices FLAG, UNKAT, VAN, B40444
snorkel unit;
- hydraulic mechanisms of ballast and negative
valves and sea cocks;
- engine cooling sea valves;
- rams of torpedo tube muzzle door;
- hydraulic mechanisms of snorkel exhaust ex4Lcirlx4hW''-
tion flapper valves;
- hydraulic =echanisms of rain ortglattS eighattlet
induction flapper valves.
CHARACTERISTICS OF LLIli. UNITS
2. The hydraulic fluid is spindle oil
amount of oil in piping and taakal mount*
res including:
- 300 litres in service tanks
- 190 litres in spr ? tank;
- 170 Litres in emergency tk
- 35 litres in hand pump taAki?-_-
. about 540 litres in gipino?
3. Motor-driven pups
Designation
T3P0 AdnaMkkvauSEEME=7
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Output with viecotaity 21
Discharge working pressure ??...??????? 100 kgriscivem
Vacuum auction head ??????? *900?? ?0 dr? 4 ra 1120
gorkim medium 0????????00000?00?00 00.0 ?)5.1 with visco ity?
of 4 ow Les
.4,441 L101 4ir 4v
4004:
0. at 220V 60.0A00.,00004/000.1P,040.0
" at 320V 0. # 4000000041.0**0010*.04,414
Power requirements:
? at 22o v 009004400.00.0,000,00.,* 7.0
-.at 320 V _ oi
?????6*?00**040 41.00*** ft iii
? ''." .
Direction of rotation 000*0*****00,00 7 laPtii;
,iProla
2600 r
3150 r
Type of electric motor 0..0.00000
Electric motor power output:
- at 2600 rep.m? and 220 V
- at 3150 rep m. and 320 V
4. Hand pump:
Output
? ?? att?s??????????000.000411500.0?P.
5. Aix%-hydraulic accwsulators
main accumulator capacity *0 000000
Reserve accumulator capacity 0.0?00?0#0 35 lit.
Uorking medium 0.?????????00???04)m#400 40214=1
Working pressure o'smoessoe000e#041?41,0141W
6. Capacities of oil. tanks
Service tank . ....???saitell6001.11d0,00,
= ? - - _
Spare tank f...0??????????00000040_00-4000,0*
, - -
E=ergency tank 0000.???000?41.e..0**-4):**-iiier
Hand pump tank..
**********000?0#--00.,0_
. .
7* Compressed air flaw*,
Capacity
Working uressur#
8. Oil, cooler
Designation 000?1**00
Type **************
omsassaa.a**,
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Oil preuf.iure
? ? ? ? * ? ........... ? ? s? ? a ?
Coelin ourface
Number of pipes 114 pna
Pipe diameter 10%1..2
Weightt
whon dry ... ...... ..... 4 444444 156 kg
when operating ...... . . ... . 186 kg
9, Hydraulic nystam pipa lint) conni ,? of
air pipin8s.
The oil piping is made of steel pipes mearour*;&570
58x2.5,3;.-!..x.2.51 25X2 ? 5 9 223E2.01 14x106 and or -copper p
14x2.01 9=1405 and 6X1e50
Te pipe # 5 7x3 ? 0$ are connected, by asinfsed-
while the recaining pipes by 2ipo um49nge
The pumps are connected to th?,aaLixt
The packing gaskets used in flanged 'joists
Qvtir
oil enel
uttronite, grade
YB-10; Lk-ad thane used in
pur. The atop fittinAs are made or
The working pressure in %be
100 kgf/sq.cla, in the drain line la
The piping has been testedS
pressure: pressure lino,
32 kb-Vega vaitt
The air pl?piAis is Wad* at
of copper pipes, 14z2.0
by pipe unions.,
The packing gaesets,
copper. ?be leaking ti .
Tbe workthg stresinge.77: t
fte piping twas
pressure of 300
1
? It
(see
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In compartments I, III and VII theSt9 Linea intc4.connect
through link pipes with valves 54, 100, 1.3fi--;-41-1!nches from
the pressure and drain lines run to the operating mechanisms
The hydraulic system operates from the pumping plant.
The latter includes three motor-driven pumps (two main and
one reserve pumps; each of the pumps can operate in succe
sion as a reserve one), three air-hydraulic accumulators
(two main and one reserve), one compressed air flaski a
vice oil tank, an oil cooler and a hand pump.
The emergency motor-driven pump, 170-litre
-04NAANEL re located in compartment III for use in
of failure in compartment VII.
/1. Description of the pumping plant (see?Dego
suction pipe connections of the luotor.-driven WM*
in compartment VII are connected with the SAWVI0C49
through pipe A. The delivery pipe connections are
through pipes E and the pressure rain to the
accumulators and the cut-off valve 1oests4
The air chambers of the airAvdraulic seousniator
nec ted through pipe with the cosproliimm1 eiz tlemati-
in compartment IV.
Each pump, air-hydraulic accumulator, oil twill:4mA
flask can be discozweeted from the hydraulic system by st
valves,
The screw-dra-=-Liorn-4-mittiravalues. 4stelle4 on pixie B
are provided for independent (parallel) and successive charg..
ing of every air4-hydraulie accumulator.
The service tank is connected through pipe r with
drain line. Pipe B mounts two .filters and a tack press"
valve.
The parallel-connected filters can be cleaned withct;t
stopping the system.
The back pressure valve adjusted for a preszure of
2 kgfisq.cm maintains the said pressure in the drain 111.1
thus improving operating conditions for the packtnE
To facilitate the servicing of the c7stem the pressure
piping is connected to the drain piping and the latter
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turn to the wIction pipin y GI: lin:K :LnwIttn stop
The plimp5 draw oil from thc ttervle deliver
ciur preutiure th_rough the pre8nurt lio into air-hydraulic
accumulator; and ranee compresned alr from thm into the
flattk. It reculte in 1ncrea3e of tLe air pressure. With the
iotono in the extreme tcp'posttion, the air pressure rea0h03
ICC kgf/cq.cm.
When the operating mechanism in engaged, the oil flows
.k.) one of the mechanism chatibers throu8h the pressure line*
The oil from the opposite chamber flows along the drain line
and throut:..:h el.filter enters the service tank. The drain
ln4.7, witn an oil cooler to reduce the oi1 tempo,-
, C ng I)eratIon of ttke pumpi plant.
Ine rl.otor-d.riven pumps can operate in two duties:
,
al control with the aid of buttons START (UCH)
?
contro1.
i.4tutomat1c operation the motor-driven pumps are
cn and of depending on discharging or. charging
tne -.7.--;.ydraulic accumulators. ,
III and VII are equipped. with Um)
??
KLite lamps indicate operation at the electric pu
la=:)z-.,-harging of the airiwb7dxsulic aocuaalst,p_reciffal
u 1,dischargiag of the third
Slgnalling of charge-dishohazse or idwfidapjArttomi444,
L:u=ula tors as well aS StArti.14g !Oa
driven pumps are effected tot mans
I It' * IIIt2* and limit saritetets
the top and bottom 04Mall Ctr the etrm,b0m9340
re spec
ben dissabaniza the eir,bardzselic acousulatiore, the
motor-driven pulps oan be started in the following werspone
(a) Lamp KAM Allialarglaitle VOISIVIALTaaI MAIM)
OCIMMOR ISIVOAMIKanfine MOM) on Uskialli
hoards goes- *a at the be 1! of 41.i...c1arge at thitt fir
c=r 0=T
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air-hydraulic accumulator. A3 soon as the ,,,rst air blArt
accumulator is discharged, the second air-hydraulic ae
tor starts discharging.
(b) Lamp MAIN AIR-HYDRAULIC ACCUMULATOR II CHARU
(II OCROB1102 FIGEPOLICICIUMITOP 3APREM) on the aignall
boards goes out at the beginning of discharge of the
air-hydraulic accumulator.
(c) When the second air-hydraulic'accumulato -
discharges, two motor-driven pumps are started simult
and tho lamps on the signalling boards light up to
operation of the respective motor-driven pumps. If a
the air-hydraulic accumulators is still consumed, the
air-hydraulic accumulator starts discharging?
(d) Lamp RESERVE k1R-HYDRAULIC ACMINIATCa C
ra,Irmucialcans?o? amizat) on the sign
board:: oe s out at the beginning of discharge of
air-!Iydraulic accumulator.
As soon as about 6 litres of oil is con$umed,
ir.p Is started, and the respective sigMal
on tte tlignalling boards.
(e) Red lamp SYSTEM DISCHARGED (=MAU P
s up to indicate that the third. mIX1/4w-itleiratain 'ACC*
1or is discharged.
The air-hydrauLte accumulators ea* be barged in any
sequeace by all the operating motorktrivan pumps.
DIS-J14.ARGM goes out at the beginalse of -*twee of
air-hydraulic ecomenlator. As mar of .tbso
c ulaul at ore becomes charged* the respective sleval lamp
lights up to indicate its chamawr
Then all the aim-bydrsnllC-accusnlatcrz becczte cba-
the pumps stops and the signal lamps indicatimg their
tion go out.
The motor control circuit also makes it pas .1,-z1
(a) to vary oaabinstione in switching or tt"
riven punts' to -equalise -the operating hours For
when the_.esoosd'afiviiveraalio aacumulator bec.o=a -
A4
lam putgrillas be. started in tbe following combir-..ftt ortt4
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To and 2t 2 and 3 I and 5. At the flame time th
third pump shall be started as soon as 6 litres of oil is
? .4nsumed from the third air-hydraulic accumulator;
(b) to operate the emergency pump of compartment III
under both manual and automatic control. In automatic opera-
tion the emergenc, pump shall be started when the first air-
hydraulic accumulator becoes discharged,. Uanual control
of the pump is also possible'
(c) if the second air-h7draulic accumulator has failedo
start one pump (the second pump being disengaged) upon dis
charging the first air-hydraulic accumulator, The second pump
Should in this ease be disengaged to avoid frequent engage-
ment of the pumps and prolong the service lite of the electri-
cal equipment.
Operation of the pumping plant is controlledbyaignal
ling boards tt,!: of which are installed in compartm4;nt 11.1 and
one in compartment Vito Ms? signalling -boards are supplied
from the awl:tat mounted in compartment 7II (ass instructions
for light signalling system).
The pressure line is always under pressure varying, froz
100 kgf/sq.cm (with accumulators fully charged) to
77.5 kgrisciecm (with in accumulators discharged) or to
72.5 kgf/sq,cm (with accumulators=tully discharged).
By-pass slide-valves 62 and 95 are provided for LIEJJ
the event of failure of electric, interlocking system of
pumps and air.h.mvrmillift stettmulnliretrerill. (-1464 the charziag of
the air-bydraulic accumu1ati6rs is over but the pumpe
nue to work).
With the increase in preasarein the pressure 11:1
to 110 +3 kgroesq.es the bye-pass slide-valve sendo.
pulse to the vatfro mite of the pumps, which ^hang
pumps to to idle running.
Out-oft vele. 99 is installed on the preefSW,:?10
4411
e Cinartadatt, ilr4Vent loss of oil in the
angst la that :Pstainfiff
--nth the, laaresee of the oil flow speed
0 to sit oil consumption of 6
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nn ? 1--N
cut-off valve operates automatic:a:1_2.y d
hydraulic accumulators from the pressure line.
To equalize pressures before and after the cut-off 4a 47-
upon correcting the trouble in the pree pipin,g,,;, and to
return the cut-off valve to its initial position use is made:
of a jumper with valve 98.
If the cut-o= valve does not operate itself it can. be
force-closed with the aid of a remote controlled air arive
from the intermediate pressure air piping.
13. All the operating zochnniams fall into two groupt
one-chamber devices 4nd two-chamber devices.
Hoists of FLAG, NAKAT, VAN, RA= and snorkel ValitS
belong to one-chamber -devices whereas the ?rest of the te0
isms belongs to two-lhamber devices* Th* 1**011VASSIS are
ned by hand- and foot-operated ad electromagnetic control
valves.
14.4, One-chamber hoists of FLAG and FAKAT are governed
by foot-operated three-way control valves* and One-chamber
hoists of VAN, RAMA and Wan= are gioyerzsd by hand.
operated three-way control valves.
Throttles installed before the hendss;operated control
valves on the pressure and drainpipes zegulate the timo of -4
=echanlsm hoisting and loWlering.
Before the foot.--operated (pedal) control valves the
7.;
throttles are installed only on the drain pipes because
control valves have throttles in the pressure chambers.,
Screw-down non-returrt valves 794ml-801 installed
the control valve an the pressurepipe.)prevont the JiE
lowering spontaneously in the event of the resstLr c-
the pressure line in the course -at mast hoisting,.
15 ,02=0...fauirnaker hoists of _nicht sat-1st:One 17131i
attack periscope 1B8 .5 of plane tilt rams, hy
mechanisms at vest valves* _ballast tank sea cock....
tank sea 000106 g2 sir induction and extbun
valvas are ovsetb 2mm*mcvmmated four Arr-7-
V**trst_ _
ltbe oil from ths
mhos* .1iIsisl
one-et-lbwbe of the operating riez
the sate- idiot the all trait the other
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the operating mechanism piston via the control valve to the
drain line (see Dwg,20). Thus, pipes connecting the control
valve with the operating mechanism operate under pressure
alternately*
The three-way control valve operates in a similar way.
16. The hydraulic mechanisms of the snorkel exhaust and.
air induction flapper valves and the engine cooling sea
valves are governed by four-way electromagnetic control
valves. The slide-valves of these control valves are set to
motion with the aid of the electromagnets switched over fro=
the engine control panel in compartment V. Should the .resotew
controlled electric drive fail to operate, the sata ?c@trol
valves can be employed with the aid of the hand.
Turning the key on the control panel 70,1*4414
electromagnets, and the control valve COnnS044,1
mechanism chambers with the pressure asadINW4
Dwg.19). With the electromagnet
electromagnetic control valve move to
thus communicating both of the operat
with the drain line. In this case the me
rated manually with the electric remote contpo
disen6aged.
17. Slide-type by.paos Cocks axe fitted:
hydraulic mechanisma of the vett valves be1
cocks, negative tank sea cooks,
tion flapper valves and snork4 exhsreat
valves are fitted before the stem_
_ _
rudder. The bywpass oucks Ora Weiveir#7,
7-7r.17TT7r7T77.717-
mechanisms from the contra
from chamber to chamber 'teat-
manually (see Dwg4,19).
18. Por oil c1sar
led before the service
drainage pipings*
trol valves.
Gauges
drain main
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the operating mechanism piston via the control valve to the
drain line (see Dwg,20). Thus, pipe a connecting the control
valve with the operating mechanism operate undar pressur?
alternately.
The three-way control valve operates in a similar ways
16. The hydraulic mechanisms of the snorkel exhaust and
air induction flapper valves and the engine cooling sea
valves are governed by four-way electromagnetic control
valves. The slide-valves of thane control valves are set '60
motion with the aid of the electromagnets switched over :Omms
the engine control panel in conpavtment V. Should the roe
controlled electric drive fail to operate, the said coztrol-
valves can be employed with the aid. of the
Turning the key on the control panel isloaesk one
electromagnets, and the control valve conzieeta.
mechanism chambers with the pressure and drain
_
Dwg,19). With the electromagnet
electromagnetic control valve move to the aatel
thus communicating both of the ape:
with the drain line. in this case the sechefliem
rated manually with the electric remote
d1sen6aged.
17. Slide-type by-paes cocks are fit
hydzaulic mechanisms of the vett valves,
cocks, negative tank SOS cocks,
tion flapper valves and snorkel exile
valves are fitted. before the
Aft afteftlarra AWOL*
sor7"?ymewW ylomvga.Wilmml.
Mechani sms from the control
from chamber to chamber ming-
manually (see Dwg*19).
18* Por oil cleaut
led before the sarripM
drainage pipingss
trol valves*
(UmwmoIR)
drain math
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rind dla 11n(:f!,. arid air piping in
19. The pressure
compartmente I, III* V and VII nr(; fitted WILLI; preasure gauge
to read the preseure in the hydraulic motem.
Besides* pressure gaut;en are inntaliod before tne masts
and tilting rams of the planes and rIldder to read the pres-?
sure of these mechanisms.
Each motor-driven pump is fitted with a pressure saug(v
and a pressure vacuum guuge to sheck the filters for pres
built up and for degree of clogsing.
20. The oil temperature in the ?syatem is read by te
rature gauge 560 type KT-100 installed on the drain pi,pc
compartment VII.
21. Drainage piping laid from the blerflulio motor
the conning tower to a service tank in compartment VII
to prevent the pressure increase in the howl
raulic motor employed to rotate the irnirometnight satisc
22. Safety alide-valvos fitted, on pipitk) at t
of the planes serve to relieve trim the overlook
chamber the 6=0Sis pressure built up due to.
the seas on the plane blade.
23. All the sections of the
to formation of air locks *re fitted
vent the air out of the mains and pi
eere of air in the hydraulic spit,. ea re
dizing of oil and in disturbing the smooth
operating mechanisms.
COUTROL C113e1,11TR! aF IdUrDRIVEN PUMPS
(see Dwg.2.3)
24, Motor-driven pumps No.1* Bos2 and. No.3
hydraulic system are installed it compartment VII,
esergeney electric. pump in compartment III.
Tbe electric motors of the puzps are el.:art;
natio stations CY-1025414nated in th,7-
the pumps. Pumps No01, No.2 and N0.3
tics box No,18 (main supplT) and from distrit
(reserve supply) installed in co=par 7
The emergency pump is fed with pc
14
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? ?????4,
?-????
-
wt
:eEervez,ower
???
:o.2 iich .,e installedcc=partment 111
cs7e=sc te air?hvcraulic accumulators mount the
teratir from the air?hydraulic accumulator
accumulators No.1 and No.2 have two
(:t, and IIt,.IIb) each, Two contactors (It
are i=s',:alled on the top cover, and the other two
bottom cover.
aa.
r---.-7.- airs-hydraulic accumulator has tbree con-
-:::s
----..1 ' IIIt2 and Mb):
-T
...
r-..-
__.-. 17--,alled on the top cover (IIIti and III) and the
on the bottom cover,
-;---r
swf:claes It, II,t and nit serve to automatically
. A electric pumps with all the three air-h7draulie ac-
-;::s c=1;lete1y charged, and also to indicate that the
accumulators are charged or_disdhargedo
saltchesb and II serve to automatically atoirt
b
eie-,:tric pumps.
s.witch IIIt2 serves to automatically start the
--e =tor-driven pump after six litres of oil is discbar-
r.,..serve air-hydraulic accumulator.
sJ;itch IIIb serves to switch on this signalling
aa soon as the hydraulic system is completely die-
For the detailed description of the light signal-
_ F]..-st,-7, and construction of the limit switches, see,
?
instructions for the Shipboard signalling-sysir_
77-1
"3=
?
lowing conditions:
I. Manual control with the aid of buttons 8
Otiaft
nnalftmtmlinamee thft
STOP.
2. Automatic control.. The slot
stop depending on the degree of
accumulators.
The motor-driven pump iwtOma
possible:
(a) to employ
as a reserve Imp
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P.P4.".Mr"'T
No.2
amd
,zen.cy
to ,utorY-Itically control motor-driven nu=
No.3 or the e=erT:ency pu=p;
(c )to ts -
,-3.5=-crze of air-hydraulic accu=ulator No.2
c...-1?t74"4"
4.4
rwr, =a in pumps or
the eraer-
or 771.o.1
in
(
1-ocn
the event of failure
2 during.
case of
C;erat on
of sir-h7draull accumula-
oteration of pumps No.?, 1o.2 and. No0 or
failure of a,ir-hydraulic accumulator No.' during
r-t4-
the ezer-v-Pnc-7 v.L=n)
?
To select an operating duty of the pumps, provision is
7=dP for
1,-, a
-rol 1 owin,z switches:
(a) uver.sal switches Y111 and 1I12 installed in con-
artnent VII;
(b) three packet switches Hr11, rni2 and 11n3 installed in
r.c.mpart=e?
VIir
( c) packet switch 11114 installed in compartment III.
Universal switches Y111 and YTT2 serve to change over
=aaual or automatic control of motor-driven pumps No.11 No.2
and No.3, and also to select a reserve pump.
Packet switches fill, nn2 and 11113 serve to change over
contactors of the air-hydraulic accumulators from the main
and reserve pumps to the emergency pump.
Packet switch 11114 changes over the emergency pump from
manual to automatic controls
MANULL CONTROL OF MOTOR-DRIVEN PUMPS
26. To start motor-driven pumps NO.1, Noe2 and No.3
manuilly, take the following steps:
(1) put the handle of universal switch 7111 to MANULL
CONTROL (12r1HOE 711131.BMEIM), As wrosult, contacts 50 124: d
53 - 15 end 56 - 57 clots the operating circuits of motor-
driven pumps No.1-4 No.. 2 and #0.3i
(2) close the packet
coAtrol-stat4in
oppartmon
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(1) set packet switoll 11114 to Ii.A1;aLI-4 .,f-itL).L. Is a result,
contact 28-29 closes thp electric Dup o-Deratimg circuit;
(2) close the packet switch supplying voltage to the
control station 'and electric motor. The 'packet switch is
installed in compartment III;
(5) depress the START button. To stop the pump, depress
the STOP button.
AUTOMATIC CONTROL OF MOTOR-DRIVEN PUMPS
27'. To control the main and reserve motor-driven pumps
automatically, follow the procedure below:
(1) put the handle of universal switch Y111 to AUTOUATIC
CONTROL (ABTOMATINECKOE YIIPADREHME):
(2) put the handle of universal switch 7n2 to
selected operating duties of motor-driven pumps;
(3) set packet switch nn3 to MAIN AND RESERVE
(OCHOBHUE R PE3EPBHUE HACOCM);
(4) set packet switch 11112 to MAIN AND RESERVE
(5) set packet switch nni to OFF (BUKRINEHO).
Nith the switches set to these positions, two
motor-driven pumps will start automatically at the
one of
PUMPS
PUMPS;
main
moment
air-hydraulic accumulator No.2 becomes discharged provided
air-hydraulic accumulator No.1 has previously been discharGed.
This is the main operating duty.
Should air-hydraulic accumulator No.2 fail to operate,
the main pumps can be started at the discharge of air-hydrau-
lic accumulator Uo.1 (this is the emergency duty). To this
end, set packet switch 11112 to OFF and packet switch lint to
MAIN AND RESERVE PUMPS. Close limit switch llt in compli-
ance with Item 87, and leave universal switches YU' and yn2
and packet switch 11113 in the same positions as indicated
above,
28. To control the emergency electric pump automaticAlly,
proceed as follows:
(1) set packet switch nn4 to AUTOUATIC CONTROL;
(2) set packet switch 11113 to EMERGENCY PUMP
(ABAPICHNa HACOC);
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(3) set packet switch MI2 to (PP;
(11.) set packet switch 11111 to EMERGENCY
lith the switches set to these positions, the eL.,r,..7ency
pump starts automatically when air-hydraulic accumulator
No.1 becomes discharged.
29. Should air-blydraulic accumulator fail to operate,
the emergency pump can be started at discharge of air-hydrau-
lic accumulator No.2. To this end, close limit switch It
in :compliance with Item 87, set packet switch 11112 to EMERGENCY
PUMP and packet switch Mil to OFF, leaving packet switches
nni and riii in the positions indicated above.
The main pumps and the reserve pump or the emergency
pump stop when all the air-hydraulic accumulators become
completely charged.
DESCRIPTION OF AUTCSLATIC OPERATION
OF MOTOR-DRIVEN PUMPS
(see Dag,23)
30. Discussed herewith is the operating duty, at which
pumps No.1 and No.2 are main pumps, pumps No.3 is selected
An A reserve one; and the main motor-driven DUMDS are started
automatically at the discharge of air-hydraulic accumulator
No.2.
111 the air-hydraulic accumulators are charged, and the
controls are set to the following positions:
(1) the knob of universal switch Y111to AUTOMATIC CONTROL;
.(2) the knob of universal switch Y112 to PUMP No.3 IS
RESERVE (HACOC 3 PE3KPBEfblg), PUMPS No AND No ARE
UAW (KAMMla ra 2 o o rit
(3) packet switch nni.'to ori;
(4) packet switches 1E112 and IM3 to MAIN AND RESERVE PUMPS;
(5) packet switches supplying voltage to input terminals
of the stations and electric ztotors to ON.
Thus, the circuity is ready for automatic operation.
Main air-.14p.ra, :14.1ar accu'Imalator No.1 starts discharging.
At the sametiss contiet' 3? of limit -switch It closes
and. the
board goes mit. When air--
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lic accu=ulator No.1 becomes completely discharred,
contact 34-35 of limit switch Ib will close, but motor-driven
pumps 110.1 and No.2 do not start since packet bwitch 11111 is
open. Then air-b7draulic accumulator No.2 starts discharging.
Contact 36-37 of limit switch ilt closes and the second lamp
on the signalling board goes out. When air-hydraulic accumu-
lator No.2 becomes completely discharged, contact 32-33 of
limit switch III) closes.
. The startimg circuit of motor-driven pumvs No.1 and
No.2 is thus completed.
Pump No.1
For starting pump No.1 the starting circuit is from ter-
minal 1 (50) through closed contacts 50-11 of universal
switch ri1, 11-36 of packet switch nn3, 36-37 of limit
switches It and =tip 37-22 of paCket switch 11113, 22-4 of
universal switch Milt 4-33 of packet switch ITI12, 33-32 of
limit switch IIID' 32-60 of packet switch 11112, and contact
60-61 of universal switch 37112 to terminal 5 (61).
Pump No.2
For starting pump No.2 the starting circuit is from
terminal 1 (53) through closed contacts 53-11 of universal
switch Y111, 11-36 of packet switch 11113, 36-37 of limit
switches It and IIt, 37-22 of packet_switchM13,-- 22-4 of
Universal switch Y112, 4-33 of packet switch 11112, 33-32 of
limit switch IIB, 32-60 of packet switch 11112, 60-62 of
universal switch YII1, and contact 62-14 of universal switch
n2 to terminal 5 (14).
The operation of the control station is explained in
the description and operating instructions for D.C. magnetic
stations, series CY.
As stated above, motor-driven pumps No.1 and No.2 start
simultaneously.
When the oil consumption is considerable, the reserve
air-hydraulic accumulator starts discharging. At the same
time contact 36-37 of limit switch IIIt;closes, and the third.
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goes out. As soon as 6 litres
2122.0f limit switch 111t2.
tarting circuit of motor-driven
OZ starting pump No.3 the starting circuit is from ter.
(56) _ through closed. contacts 56-11 of universal
switch 1I11, 11-36 of packet switch nfl3, 36-37 of limit
switches It, lit, ZEIti, 37-22 of packet svritch rm3 22-21
of limit sWitch nit,' and. contact- 21-63 of universal switch
Y112 to .terminal 5 t63)
With the further discharge of the reserve air-hydraulic
accumulator, contact 43-40 of limit switch closes, and.
the lamp that indicates the. complete discharge of the air-
hydraulic accumulators lights up on the signalling board..
31. When 'motor-driven pumps Boa, No.2 and No.3 are
running, the operating circuit is completed in the following
ways
Pump Nool
mien pump lio.1 is running-, the operating circuit A.Es 4-1.-usx
A
? .
terminal 1(50) through closed contacts 50-11 of u.niversal
switch Y1119 11-36 of packet switch _11113, 36-37 of limit
switches It,. tit and. 37.-22 of paiket switch 1ff13, 22-4
of universal switch 711.1i And contact 4-12 of universal
switch- YII1 to terminal 12.
Pump No.2
When pump No.2 is *inning,. the operating circuit is
terminal. l (53).:" through closed. contacts 53-11 of universal,
switch rile 11-36 of iacket. switch 11113, 36-37 of limit
switches It, 37-22 of packet switch 11113t
contact 22-15 of universal switch 31111 to terminal 15.
Pu
When pump No.3 is running, the operating circuit is
termini]. (56) through closed contacts 56-11 of universal -
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kei switch 11113, 36-37 of
md. lilt 37-22 of packet switch 1E13 and
wiversd switch 7111 to terminal. 57.
,airahtirdraulic accumulators are chargecto contacts
34-35, 32.33-- and 43.40 of limit switches Ibis lab and. IlIb
gradually.aipen, but the. electric pumps will continue to
operate. They will stop as soon as all, contacts 36-57 of
limit switches 'tout and. Intl open.
C. DESCRIPTION OF INDIVIDUAL UNITS
AIR-HYDRAULIC ACCUMULATORS
(see Dwgs 1 and 2)
The air-hydraulic accumulators-serve to maintain working
pressure in the hydraulic system within specified values
through compression or air in the air flask and to control
operation (engagement and disengagement) of the motor-driven
pumps.
32. The air-hydraulic accumulator consists of cylin?
der 1531
Dwg.1).
The cylinder is a steel piece. Its Inner surface is
lined with a brass layer -and, politthed..
The top and bottom covers mittda of steel are attached to
the cylinder with the aid of pins and are sealed with rubber
rings.
The piston with rubber packi riuga travels inside the
-anil oil chambers.
Awl:4h 'oil, the pie-.
through a lin-
ed-
top cover 1542 bottom cover 160, piston 152 (see
cylinder. It sei-ves, for garliweir-**a,
On charging the air-
ton travels up and P1421101,-
kage acts ona limi
top cover)
On di.
presses _on
pipe conneatA.sna,?`
on the lev'erand
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The reserve air-hydraulic accumulator is similar to the
main air-hydraulic accumulator with the only difference that
its top cover mounts two limit switchesvone of which operates
as 6 litres of oil is left to complete charging, and the bot-
tom cover has no locking device.
TANKS (see Dw5s 3, 4 and 5)
The tanks serve to store the reserve oil and to suzply
oil to the hydraulic system.
33. The 300-litre tank (see Dwg.3) is a welded struc-
ture of sheet steel..The tank casing has welds-on to receive
pipes. Manholes 190 are provided for inspection and cleaning
of the tank interior surfaces. Filler neck 186 is used for
filling the tsrik with oil.
Oil is poured through screen 187. Arranged in the bottom
of the tank is sump 192 with cock 191 used to drain sediment.
The oil temperature in the tank is read by temperature
gauge 193, and the oil level by level gauge 189.
34. The construction of tanks of 190, 170 and 35-litre
capacity is similar to that of the 300-litre tank (see
aggs.4. and. 5).
CONTROL VikLVES (see Dwgs.6, 7, 8 and 9)
The control valves are designed for remote
the operating mechanisms.
35. The electromagnetic control valve (see Dwg.6)
consists of two slide-valves (change-over slide valve with
electromagnets and- istribution slide-valve).
The control valve is provided with four connections to
join pipes (one connection PRESSURE, one connection DRAIN
and two connections TO CONSUMER).
Inserted into housing 211 of the distribution slide,
valve is bush 221 sealed with rubber rings, Distribution,
slide-valve 222 moving inside the bush 'is set to the mi
position by two rods 223 and spring 224. Change-over sli
valve housing 220 with electromagnets 215 Is attached. t
distribution elide-valve housing by pine, The ehange-_
control of
4
4
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upda.avaisva housing accommodates bush 219 incorporating
lebangxrer slide-valve 2180
with any electroMagnet energized or with the handle of
manual control tilted, the cbange-over slide-valve moves
and imparts pressure from duct I to duct II or III depending
on the direction of changing-over. Under the force of this
pressure the dist4bution slide-valve is brought to one of the
end. positions and directs the oil from the pressure main to
one chaMber of the operating .mechanism and simultaneously
lets the oil flow from the other chamber to the drain main.
With the electromagnet deenergized (or with the handle
turned to the middle position), the change-over slide-valve
is brought to the middle position by spring 217. In this case
the distribution slide-valve is also brought to the middle
position by spring 224, and the operating mechanism chambers
communicate with the drain line. For the functional diagram
of the electric control valve see Dwg.19.
36. The hand-operated four-way control valve is shown
on Dwg.7. Control valve housing 240 has press-fitted bush 239
with ground slide-valve 238 moving inside. The slide-valve is
provided with inner borirle, for oil by-pass. The heNliaino. Anrica
are plugged by covers 237 which in turn are sealed with rub-
ber rings.
Valve 232 is in the lower part of the control valve to
reduce the oil transfer when handle 24* is moved to the mid-
dle position. Valve 232 opens when the handle is turned
clockwise or counter-clockwise and returns to its initial
position under the action of spring 243 with the handle
moved to the middle position.
The handoperated three-way control valve (see Dwg.8) is
similar in the construction and principle of operation to the
four-way control valve, the only difference being in that the
three-w*ycontrol valve has three connectionsttwo of which
are used to connect with the pressure and drain pipe lines,
and one to connect with the operating mechanism. For the
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rumational
diagram of the hand-operatc,, t'--e.c,-wP,-;7 and four_
lmgr
control valves see Dg 20.
38. The bandm-operated two-way control valve (D9)
.consists of two housings 272 and 273 thread-connected
together and sealed with a 'copper gasket. Control valve hauz.
trig 272 accommodates valve disc 279 pressed against the valve
seat by spring 2714 Rod 276 has inner and side boring which
communicates the inner chatber of the control valve with caa. 6
nection BLOWDING. The rod end projecting from housin 273 rests
on a shaped cam on handle 274, .
In: the position shown in the Drawing, connection TO CUT..
OFF VALVE c ommunicate a with connection BLOWING.
When turning the bandle, the rod rests on disc 279 shut- I
ting connection NAMING, and displaces the disc thus permit- /
ting air to flow through the inner chamber to the cut-off
valve.
With the handle being turned in the opposite direction,
the valve disc actuated by spring 271 shuts off thc: air flaw i
to the cut-off valve*
The rod is returned to its initial position by spring 27c
The air from the air chamber of the cut-off valve
through connection BLOWING*
HAND PUMP
4-
uu..vu
39. Hand pumps (see Dwg.10) are designed for filling the I
mechanisms and pipe lines with oil, for testing the hydraulic 1
system for tightness, and. for supplying oil to the hydraulic (
&Luau, ammas-i. masa ?
The hgumd gum? 1.8 a
two duties. _
- At the 30-kg effort applied to the handle end and at
15 dolible:-_qtrokes t-its, the pump gives outputs:
m .
in. while using the 50-mm piston &
e-acting unit -and operates in
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-(70)0out 0.33 M./min. while using the 20- piston at
woriang presfrare of 50 kgricaq,cm, With increase in effort
Applied
to the handle up to 60 kgs the pump can build up a
pressure to about 125 kgfisciscm?
pump easing 293 is a cast cylindrical structure with
lugs fOr, securing it to the foundation. The cast cater clos-
ing the casing at the top laa_s a brass bush inside which runs
guide steel rod 288.
Thread-connected to guide rod 288 is high-pressure rod-
piston 290, 20 mm-in dia. To gain the greater output at a
-lower pressure, rod-piston 292, 50 mai in dia., is meshed with
guide rod 288 with the aid of piston grip 289 which is turned
by the handle. The handle is stopped by lock 294 when the
pump operates with the rod-piston of the smaller diameter.
Screwed into the pump casing is valve chest 281 with
suction and pressure non-return valves.
Needle plug 291 serves to vent air out of the pump when
the system is charged with oil.
Plugs, connections and the valve chest are sealed with
copper gaskets.
Handle 285 is detachable. It is stored near the pump.
CliT-OFF VALVE
40. The cut-off valve (see.Dwg.11) is installed to
protect the air-hydraulic accumulators from discharging and
.to cut off the pumping plant from the pressure main in case
of the pressure piping failure.
Disc 316 is located in valve housing 315* In the open
position it is pressed by spring 31.7 against a. bead of rod mio
The rod passes through cover- 328. It 4.6 sealed with rubber
are tightened by
springs 321. Screwed. on the over oflueo4ion 18 air cylinder
326 with piston 325 and rubber packLng rings 324. The 'Cylinder
is held fr7om-
? ? - ?
rings 32? and fixe-d by balls_
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ziaccl with a
vammeho Disc 316 is iteld fro= tunaq
the rod vii.th the aid of 1:1d.cm6
bumits the oil flow rate will inc.
and a pressure drop will result at the disc. The di sc c41;41.2Zegs
Ses spring 317 and.,seetti on the valve seat.
To close the cut-off valve by l'ortItes the inter=ediate
pressure air is delivered to air cylinder 326. Piston 325
moves rod 318 together with Iliac 316 until it seats on the
valve seat.
To return the disc to its initial positfons equali
oil. pressure on both sides of the disc*
in case the cut-aft valve has been force-closed, rele
pressure in the air cylinders, and the disc will return to
initial position under the action of the oil pressure,
a the
BY-PASS SLIDE-TM C_
The by-pass sLide7t
connect the operating meahan
and to communicate its chaibers_
mechanism is operated by Ii
41. Slide-valve 332
Is latoped by the I,ush?
on the elide-valve al*,
338 in two positUns 112DRAli*Bs
(TEMPINLYCK),
12) serves to 4104
hwitirau.tic system.
each other when the
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Br-BLES IStaIre-MALYA
Ole by-pass slidevalve (see Dwg.13) is provided for.
%Ise in the event of failure of the puma electric izterick...
ljr.g system (14.002 with the air-hydraulic acelmulatcrs charged
the pusgis do not start up),
42. The slide Italire occultists at, housing 347 with press-
fitted bush. 3484 545. bush laps a1ide-v4ve 349,
slide-valve relate against bush 350 supported by
sprtng 351 fidjusted to a popping pressure of 11041-3 kgfisq.c=,
spring is adjusted with the aid of adjusting bus''
352. Screwed in the glide-valve housing is plug 345 sealed
with gasket 346,
t.he? pressure in the pressure main rise, the
slide-valve will Compress the spring and /zover up to corziuni-
cate the pressure main with the pump br!ipass slide-valve.
The pp changes over to idle rurtning, gut as soon as the
pressuri in the pressure main drops below 110 Isgfiesq.cm? the
spring shifts the slide-valve to its initial position, the
pressure from the pump br-pass slide7valve; will be forced to
the drain main, and the ;gm mill change over for normal
opezwacion.
FILTERS
The screen-disc tsp. filters (see Mmes.14 and 18) serve
for cleaning oil flowing to tile/ -45m/rating mechanism and oil
drained to the service tank.
43. The twin filter is instiiled ahead of the tank and
allows to clean filter elowiriatii lara-:tmzu tritt.;:rat et 011114 tt-ta
system. It includes two filter elements matuzted on a common
casing. A cock arranged in the casing lierrOS to change over
the operating filter.
The filter elements *Employ SOreen, with m wags of
0.063x0.063 mm in the eloper.
Plugs are provided to Vent air when piling the filter.
44. The single fiXter (see Darg.1.4) has filter cartridge
357 with disc-t7pe elements having a mash of 0.025=-0.0a5 la-
the clear:
CPrRPT
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_
fllte dge 1.8 j.Z...5
Watimmdialtta11.7:147.g. Psreza fro= er.
+Yu.
.16
AIR 1740E
The air flaak (see Er4g. 5) witth c?=presoed
for keeping constant a isci..-wirdiz pressure 4 "
arigtOMMOt
450 Steel seamless flask 372 is fixed on a
tion. 'Chen the flask is installed, it should be
S
the direction of the neck. Screwed into the neck if.-
with two valves. To blow the flask a pipe is welded
position is fixed, against a notch on head 371.
of the above valves. The pipe shouid be lowered
The other groove serves for air to pass to
hydraulic accumulators.
OIL COMER
The oil cooler (see Dwg.16) is installed on the drain
pipe lime and is used givr cleaning oil delivered into the
tank.
46. The oil cooler consists of casing 378, heat exchang-
iag pipes 381, two pipe boards 383 and two covers 375 and 383,,
The pipe boards have plumb 382, lower plugs for drain-
ing oil, and upper plugs, for bleeding air when filling the
oil cooler. Plug 379 also serves for draining oil.
Diaphragms 380 are installed in the oil cooler to vary
the direction of the oil flows kr*Iii or pipe= 381 al* wlaldiod
to the pipe boards.
The covers are fastened to the casing by means of pins.
The sockets arranged in the covers serve to receive
zinc protectors 376 and 386 designed for anticorrosive pro-
tection of the oil cooler components coming in contact with
cooling water.
To drain cooling water fro.the covers, use is made of
plugs 384. All the joints of the oil cooler are sealed with
paronite gaskets.
28
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at,ND .1-71,--kri2n,
able 3.
No. I Ref
iscter.a-
i tic
idiagra=
' 2
'59, 70,
73, 89a,!
97, 11.01i
130
Na=e and
apvlication
Gauge MMK
100Ex1601/100,
accuracy
grade 2,5
to read
pressure in
piping
'Normal
value
rri time
value
red line
Location
4.
100/160
kgfisq?cm
Gauge MTK
100Bx60125,
accuracy
grade 2.5
to read.
pressure in
drain
piping
Gauge WM
100BrIO
On pressure
pipes at
operating
mechanisms;
on air pip-
ing to air,-
hydraulic
accumulators;
at motor-
driven pumps
On drain
pipes
6
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C?Ce`riC1'
50X
,* Description
Beck pressure
valve
Safety valves
on- piping to
ze.sto of night
altiscope
E3I.T-8 and at-
tack periscope
MC-8.5
Safety valve on
red.c.ing valve
4 Cut-off valve
5 By-pass slide- 62. 95
valve
105
110
04-.3
?see Item 148
e? ri
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fitottse,41a. von pp of the ikyttraUlie sarste=
comeatence With the operating iistruc.
ntaidriWepUSgts M1.25/400.
5210 eieetrical sweat should be employed in accord-?
-
enc. with the operating instructions on electric rotors and
apparatuses included with4the set of the system.
!be operating mechanisms abcold be employed in confor-
zd,t3r with their operating instructions.
48. During service keep the system clean and service--
able, check fittings for reliable attachment of the pipings
to the casing structures, take measures to protect the system
components against impact and distortion.
49. ladle operating the hydraulic system:
- keep it in sound condition and in constant readiness
for action;
? check the pipings and fittings for tightness, paying
particular attention to pipe unions &nil flexible hoses. =no
climate oil leakage and wipe off traces'of oils
- open valves on the pipings under pressure gradualln:
- - see that name plates of the fittings are intact;
- timely repaint the pipings, the Indicators of
tion of rotation of valves and counters.
50. Keep all the gauges and safety valves
repair and sealed. -
51. Pour and add oil into the hydraulic,
silk cloth only.
52. Check the system
The air pressure should
mull*
with the
charged,.
CCt-D=T
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53, Nake certain the oi temperature in the system does
exceed
+30?C.?service tank for ell level. With the air-
tydraulie accumulators chargett and the !masts lowered, the
volume of oil in the service tank should be equal to 145 lit-
res. snould the oil level be below the above amount, l=ate
the cause of leakage and correct the trouble.
55. watch the signalling boards to be certain that the
pu=ps are switched on and off in accordance with' the selected
operating duty.
56. Prior to turning over the mechanisms, drain sediment
from the service tank through cock 39. When turning over the
MeC.PA714S=5, wach the light signalling to check the pumps for
euto=atic 07,erat1on.
57. Natch the ammeters to check load of the motor-driven
pumps.
5S. Check the electric pumps for operating hours, and
rezularly change over universal switch 7172 to the other posi-
tion (e.:..plcy the pumps in reserve duty in succession).
B. PUTTING HYDRAULIC SYSTEM INTO OPERATION,
DURING-OPERATION SERVICING
AND STOPPING
The hydraulic system ready for starting should be in the
initial condition.
INITIAL CONDITION
59. In its initial condition the hydraulic system is
charged with oil, the air-hydraulic accumulators be
charged are under pressure, stnd cut off frost
valve 109. The service tank
145-litre nark, and the remaining
the level gauge. -
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the pressure in the air piping and. cylinders should
100 Isgfisq.cm against pressure gauge 97.
UMW' Never relieve pressure in the system with
valve 109 open.
60. The handles of the control valves of all the operate.-
Lug mechanisms sbculd be put in a posItion corresffionding to
the LTLtti&1 position of the given mechanisms.
61. The following valves should be opens
(a) valves 229 23, 24, 25, 27, 299 309 311 321 33, 34,
35, 61 and 63 at the motor-driven -pumps;
(b) valves 1099 105 and. 106 at the air-h7drau1ic acme*.
lators;
(c) valves 74, 101, 104 and 108 on the higb.-pressure
air piping;
(d) valve 38 on the suction piping;
(e) valve 52 on the drain piping;
(f) valves 120, 122 and 123 to the hoists of night alti
scope rr3Hr-.3 and attack periscope IDC-8.5;
(g) valves 43 and 44 at the by-pass valve of the stern,
plane tilt ram;
(h) valve 51 on the drain piping. -
62. The following valves should be sealed in the o
position:
(a) valves 64, 65, 66, -76, 77* 76, 126, 127, 128, 129
_
on the pressure and drain mains and on the drainage pipin
(b) valves 68 and. 83 at the control .valve groups on
drain pipes;
(c) back pressure valve 53 on. the drain piping.
63. The following valves should be sealed in, the
pOsitions
(a) valves 37, 549 87: and 136 cutting off
line rrom'? the drain main, and? the
zaain;
(b) valve 28 a1 r?-)3di reserie
control '
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64. Sat to the NO RNM21 :FA; :4-
A,T). position and. Eletal,
screw.dosfn 11032r?retUrn 1V5 12 and 102 at the akydraulic
accumulators.
65. Set to the Inrentrian Position and seal ell the by-
pass slide-type valves.
66, set all the remaining valves and zrocke to CLOSED.
67, Set the handle of universal switch rill to CRP
68, set the handle of universal switch 31112 to the posi-
tion in compliance with Item 513.,
69, Set packet switchas Jill1 and Mk to CRT.
70, Set packet switches Rii2?and. ila3 to MAIN RESERVE
FM'S.
71. Cut out the packet switches 131Vp171.1243 power to the
pump control stations and signalling boards.
FM'ARING THE STSTM FCR COMMON -
To prepare the faatein, for
ing operations:
72. Clean filter elements
control valve groups. ,
73, Check the oil level
sediment from the sump via coo
water in the oil. ohamb
drain plugs.
74. By closing
valve 71, make sure
look for the cause
Blowing over, add
100 kgrisq.cm.
75. Check
closing
Condition
the follow-
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licsareg
check insulation resistance of the electric otors
be not less thalt 0,5 =gobs;
(b) turni-over the elebtric pumps by hand.;
(0) cui in the signalling power supply switch in c
par*-.4aent III;
(d) check the motor-driven pumps for proper operation
when starting them with the aid of the START button. To this
end? put universe/ switch Ylii to KOMI. CONTROL. Cut in the
packet switch supplying voltage to the input terminals Euid
to the electric motor. Depress the START button of the res-
pective pump.
Depress the SSW button to stop the motor-driven pump,
77. Make sure that the motor-driven pumps start and
stop automatically. To this end, prepare the automatic system
for operation in one of the duties in compliance with items
and 58.
Completely discharge the air-hydraulic accumulators
with the aid of valve 100. During the discharge, check the
signaliing system or proper operation, and the pumps for
automatic starting in accordance with the preset duty of
operation.
Close the by-pass valve and make certain that the pump
toriVe1 p.
?
are stopped automatically*
Check the pumps for operation in the ether duties in--
eluding the emergency pump operation, following the saw
procedure.
The last cheek I should
ma.tic operating duty (?ie
Before putting the szireten
switch MI. to CM
78. Visually
73t? Before
noting :t
canna*
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priptim TrirORMILIC SYSTEE INTO CFERATION.
IIMISG-CFEBATICO SERVICaba.
Effte TMS STASTEll
so. To put the hydraulic system into operation, put
uniirsicsal switch nil to JUT C COMM,
Vhen servicing the hydraulic system, take the following
- steps:
81. Watch the oil temperature in the system, against
temperature gauge 56 installed on the drain line. With the
oil temperature rise above +25?90 engage the oil cooler. To
this end, open valves 4?, 47s, 48, 49 and close valve 52.
Amount of cooling water entering the oil cooler is governed.
by valve 47 or 47a. With the oil temperature drop down to
+15?C, disconnect the oil cooler, open valve 52 and close
valves 47, 47a, 48 and 49.
82* Hatch the oil level in the service tank. If dyer start
the electric pumps if the oil level has dropped down to
105 litres with the air-hydraulic accumulators charged and.
the masts lowered.
83. See that the motor-driven pus, electrical equi
tent and operating mechanisms operate properly in
with their appropriate maintenance instague
sent instructions.
MAINTENANCE IN EIAZEIGENCT
Bk. On operation of out;-off
leakage from the piping and._
the piping from the pressure
tion is indicated by press
pressure and by pressure-
Mira ?
make the hy4ra
,section'
-
oettiq

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cri any commart=eiat oil leakage
----Vagecets crack in a pipe) to which cut-off valve 99 has
responded* force it to close by turning thedle or
two-asay-etwittlial valve III. The trouble elimilsocL-ted put the
(astral valve benne to Mlle and open valve 98 for a short
86. If the electric remote control or the electromagne.
tic control valves fails, _manipulate them by hand.. In this
ease deenerglize the electrozawkets.
87. Should theaix....-hydrauli.c accumulators malfunction,
:ZoILlow Table 3, In so doing* automatically stop the pumps*
set the upper limit switch (It?11 or Intl) of the faulty
air-hydraulic accumulator in the position cocrresponding to
the charged ei.r-lvdraulic accumulator (depress the roller on
the limit switch till the click is heard). Then lock it in
this position by putting a wedge under the switch roller or
by some other means. The lamp indicating the charge of the
air-hydraulic accumulator should light up.
88. If the electric control system is out of order
start and stop tbe\ttordrivOYL pumps With the aid of b
START and STCIP? In .this case uni-
switch 111:14 should be set to IWA
under a pressure of 80 kgf
pumps when the pressure is
89, Should one of the:
operate, shut off it by val'
with operation using
switch Y112 should be
_the change-over 0
If two motor-dri:
them and perform
should be eterbe'd-
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414,.
40?14., J1114,
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.RpqrlOoss of Purpixe Plant Controls in Emergency
Tab
Switches
1
Ai2474rau1ic
accumulator
106,108,
109
Auto- Any OFF
matic
cants?
Agr Main and
reserve
PIP
OPP
fo.
JAVA.
and
reserve
Pugin
OPP
E21.81-USI, Re s eS21.111ER...2eratirI
P
and
reserve
pumps
an
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Main
and
reserve
pumps
Main and
reserve
PumPs
Main and
reserve
pumps
app
Deenergiu
one of main
PumPs
OFF Deenergize
one of main
pumps
OFF Deenergize
reserve
pump
Control
pumps by
band
Control
pumps by
hand
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111111
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12,101,
1021104,
105.106
(2F
En.lesapc2,12.e'u ...astatja
Any OF? Muer-
genoy
PuraP
An Erner-
1
Dorm Aut a-
gency labia
pump I control
Euro- Autce*
gonoy tic
control
Auto
!natio
control
Manual
control
OFF Manual
control
0 Ottr
pup by
hand
Control
pump by
hand
OF? Manual Control
oorstrolipump
Fo,,,orwer
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-Ito omit
1
Pump No.1
Pump No.2
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11050.(x)
Ole
4
Main Pumps OperatinG
Auto-
Con
Auto-
matic
control
Auto-
matic
control
Pump
reserve
Pump
No.2 is
reserve
Pump
No.3 is
reserve
OFF
OFF
OFF
Main an
reserve
pumpB
Main and
reserve
pumps
Main and
reserve
pumps
Main and
reserve
PumPs
Main and
rdserve
pumps
Main and
reserve
pumps
OFF
OFF
OFF
i:loonorgiso
pump No01
Do energize
pump No.2
Deenergize
pump No.3
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c? r-r
vet; 90, 912 92, 939 94, 961 3.1;;
tpacket Switch TflT. to AUTCWATIC
c?-f ?
set packet switches 11113 and Mil to
ILLOOC); -
(0) set packet switch ?11112 to OFF;
(1) close the jacket switch supplying power
emergency pump motor.
WARNING. When using the emergency pump keep no:
than three masts hoisted at a time ix._
small capacity of the emergency tank.
91. If the pressure or drain main is damaged in c:717art-
ment I or II, shut valves 128 and 129.
Operate the torpedo tube muzzle doors with the 34 cf
band-operated drives.
92. If the pressure or drain main is damaged ii art-
ment III, shut valves 76, 77, 126 and 127, actuate the
ope-
rating mechanisms (except masts) with the aid of hand-operated
or electric-operated drives.
93. If the pressure or drain main is damaged in compart-
ment IV, V or VI, shut valves 65, 669 76 and 77.
Use thehid-operated drives to actuate the operating
mechanisms the control valves of which are installed in com-
r_artment V.
To operate the other mechanisms, start the emergency
pump in compartment III (see Item 90).
94. If the pressure Or 'drain main is damaged in compart-
meat VII, shut valves 65 and 66.
Toactuate the operating mechanisms 'start the emekgen0
pump in compartment III (see Italia 90).
MAINTENANCE IN ?CA/3BOF PPB HAZARD
95. In case of fire hazard when t
base, follow the procedure belOws
(a) immediately lower all
UP position;
(b) relieve press=
shut valve 109 and
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the system into its initial position (see
5924?)?
Cut out the switch suPlaleTints power to the signalling
bcards?
99. Set to the MP position the paeket switches sup-
piyug power to the motor-driven pumps.
C. MAINTENANCE AT TANG-13P3M STANDST11,11
100. The long-term standstill of the submarine means
putting the submarine to running or mei= repairs or rale
-
gating to reserve.
Note: At long-term stands'till the operating mechanisms
powered by the hydraulic _system are serviced in
C o mp 1 i ane e with the appropriate insiti-onso
When putting the sub
lowing procedure:
101. Examine the inot
control valves. Test them
102. Drain oil frcsa
the System"), flush the
Rabaul") and. fill it with,
tea with Oil").
103. Disassemble
the inner chambers and
104.. Pill all the
mark- on the levbl ga
105, -Blow the
and- the air flask
flask under a pressure
106. Disa
0
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iknAniia. valve handles to the middle positiaz
outer unpainted surfaces of the fittimz:s
with gun grease.
sh and paint coating.
the submarine into operation aftt3r r%ficairs,
japing-
emo
n.ss
ve grease from outer surfaces of
with cotton cloth soaked in diesel fuel. The valv
_
worked. Hard-to-turn valves should be overhauled,
'valves should be overhauled, adjusted and sealed.
109. Thoroughly earamine motor-driven pumps, el2,7.anate
troubles, turn over pumps by hand, prepare and start them in
compliance with the appropriate maintenance instrc._aons.
/10. Open air-hydraulic accumulators. drain ;)-11, inspect
inner surfaces'and packing rings for proper condition, and
eliminate traces of corrosion. Reassemble the air-hydraulic
accumulators and fill them with oil.
111. Drain oil from the system (see Section "Draining
the System"), flush the system (see Section "Flushino the
System"), fill it with oil (see Section "Filling the System
with Oil"), then test the system for tightness (see Section
"Testing the System for Tightness").
112. Turn over all the operating mechanisms by hand, an!
then turn them over several times with the aid of hydraulic
system.
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Table 4
D. TECMPERS AHD
1 Motor-driven ptImps
start and. stop but
not in compliance
with preset opera
ing duty
2 Reserve and min
motor-driven pumps
switch on simulta-
neously
3 Oil leaks through
seal of contactor
drive shafts on
upper and lower
covers of,air-
i
, hydraulic accumu-
lators
4 tiith piping in
proper condition
pressure in pres-
sure main drops
below lower limit.
With operating. -
mechanisms rarely
switched on,
electric pumps
work for long time
5 Cut-off valve
operates d
work of vent,
hydraulic-Ise
isria
FaultY Entwistle
control circuit
of atotor-driven
Plugna
Valves 12 and
102 are not set
to HO RETURN
Faulty
rings of drive
shafts or
faulty celluloid
washers
Faulty or par-.
.
tielly closed -
valves 549 1410
and 136 consuni-
crating pressure
and drain
Cbange over motor-
driven pumps to
manual control, lo-
cate and correct
trouble
Set valves 12 and
102 to SO RETURN
u--
Replace packing
rings on shafts or
replace washers
(see Dwgs.1 and 2)
Close valves or
correct trouble
C=r-PPT
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Abrupt pressure
drop in pressure
piping in the
presence of press--
sure before eut--_
off valve as read.
by gauge 110
8 Presence of oil
in air when air
flask is being
blown
9
Replace packing
rings or tighten
gland packings
Find and eliminate
trouble in pressurs
piping and then
perform operations
of item 84-
Disconnect air
hydraulic acculati.--
lator from hydra
ho syststml
packing rings.
place faulty -
king rings
oil cool
Water is detected
in oil chamber of
oil cooler while
draining sediment
t htness
troll])
PREVEISM-31ri
113, Preventi
and serve to:
?
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115, Preventive inspections and repairs are subdivided
into dai13r; weekly, montbiy and other types of inspections
rui repairs depending on nature and volume of work to be
carried out.
116. When the submarine is put to medium or -running
repair; the hydraulic system should be inspected at the same
periods as under service conditions.
117. All the control and measuring instruments should be
sealed. Check them at specified. intervals. 'lever use the in-
correct-reading instruments and instruments with broken Leal-
ing and protective glass.
Preventive inspections and repairs of the electrical
equipment should be performed in compliance with the appro-
priate maintenance instructions3 on individual items of
el ec tr ics 1 equipment; on 175-320-4 D.C. tower distribution
mains and on shipboard signalling system.
Men performing the preventive inspections and repairs,
take the following steps:
Daily Inspection
118. Visually inspect and, clean p4ings, fittings, cont
rol arid rueasur:ing instrvatents, tch=driven pUB glirldi 21 4 Itta?
hydraulic accumulators.
119. Visually inspect
instruments of mator-driven
instruments are present.
? 120. Check oil leve
121. Blow the airflaaki
100 kgfisq.cm
, 122. Test b
band-operated
cocks azAd-Nen
wn?
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e of ter-driven pumps in oPera-
-/iiiffinalLing 67344 Z.= and autor.-,qtic.
- _
laiSen-Acer ?.-tbitit pumps are serviceable.
ar- absence- or varier _leak through cocks of' tha
&iWg pipes of the: h'-...vehrik-anlic, ?Maulers of torpedo tube
muzzle. door- drives.
12?. To= over all the byd,.raulic system valves and cocksi
except the.-.seale&ones. ISOik or overhaul the bard-to-turn
valves.
Weeltion
Perform all the daily inspection operations and in addi--
tion do the following:
128. Check proper operation of safety by-pass valve in
valve unit of motor-driven pUgp13,by twofold-threefold
P nd closing of the stop-nuqt:spret'urn valve on pressure
of each pump. The pressure gauge lot the .pump shall read a
pressure within 110 to 115 kgrisq.cino
129. Relieve pressure frost air cbambera of the air-hyd-
raulic accumulators, and fill the top chalet:4r with oil pour*-
ing it through pills holes on the top cover. In this case
pistons should be in the upper position.
13n. careful -Er inpcct eli Pk-ihrts seimA 4'4 te4 intopsag,
the joints and seals of the iiralTest- if :necessary. Before
this, relieve pressure.
131. Examine and. check
operation.
132. Turn over elteccal4t
rol valves.
Perform all the -lei
dition:
133. See
mulators
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3
4
cor-clition of z.-eci-Firvi cal gland and rubber pins
of sleeve. Eliminate leaks in the pur:p pipe int i ens
135. Make analysis of oil. If the oil contains over
0.1 per cent water and over 0.03 per cent solid raa t t?er, reP-?
lace it.
Repeat the analysis of oil upon return from the cruise.
Take oil samples through valve 40.
136. Clean filters before service tank. Clean the filters
every 50 operating hours.
137. Check performance of by-pass slide-valve 62 in
operation.
To do this; close the packet switch in the motor-driven
pump pc:fiver supply circuit, set universal switch YI11 to MANUAL
CONTROL and deprenz the STAIRT button on the control station,
The pressure in the system increaspast un to 11043 kefisq..cms
the by-pass slide-valve imist operate to change over the pump
to idle work.
?
S "
Ln complia.nce with Table 2 given in Section
, ?
. . _
_
. ,A_..
Quart erl7
t - - ?
41410114::-- -
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the appropriate true-
Psrfo all operationsbesidest
rits,4* pertaining to the
- Inspect tar.pelp:bearires of rs-totor-driven pumps.
-
,zg _04 iFpovie_if are worn-cut.. Or absent, repair or replace t
be/WU/gni,
144. :Check output by 32.0eing the time taken by each
_ . .
to charge accumulatpre:No.1 and No.2.
For this purpose,.: close valves at the pumps except the
pump to be tested, and, close valves 102, 103, 105 at air-
hydraulic accumulators. Discharge the air-hydraulic accumu-
lators through valves 100 and 109 and then close valve 109.
Start the pimp. The time of charging the accumulators must
be about 6 minutes.
145. Check the system for Internal oil-transfer. Perform
the check by pressure gauge 59. With the air-hydraulic accu-
mulators completely charged, pumps disconnected, and valves
before control valves open (baccept valve 4 cutting out the
pressure to the hydraulic motor turning night altiscope
1131-Ir-8), the tolerable pressure drop in the pressure line
is from .Loo to 95 kgiVsq.cm within 2 hours.
Yearly Inspection
Perform all the inspection operations pertaining to
half-yearly routine, .and then:
146. Visually inspect all.rubber packings for tightness F.;
and check flexible inserts (hoses) for condition, and, vdmiii
nece 8$4.11,71 replace.
?
Replace rubber pac
=talc accuraulatora
. _
-
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and a
_
the ship is 2 years (the storage period ma-,7
extended to over 2 years, but in this case tie
service period will be subsequently shortened to
make the total period of storage and service
within 7 years).
The service veri_od of rubber hoses is 2 years:
storage period is one year (the storage period
r
.May
be over I year, but in this case the service Deriod
will be subsequently shortened to make the total
period of storage and service within 3 years).
147. Examine pressure gauges and pressure vacuum gauges.
Check to see that cut-off valve 99 is so adjusted,
tLat it works whenever the oil flow rate increases.
Perform the check as follows:'
) Charge the air-hydraulic accumulators and open
va1ves 98 and 100. Then open valve 109 so as to insure dis-
charge of air-hydraulic accumulator No.1 within 10 seconds
that corresponds to oil consumption at the rate of 6 lit/sec.
(the discharge time is registered by a stopwatch). The begin-
ning and the end of discharge are indicated by signal lamps.
Lamp MAIN AIR-HYDRAULIC-ACCUMULATOR NO,l CHARGED (1 OCHOBHOn
ITUIPOAKICIMYZITOP 2AP4ZER)-goe8 out 'to indicate the beginning
of discharging. Lamp 1lail.414R-HYDRAULla ACCUMULATOR 1o.2
CHARGED (2 OCHOBtiOg ITUWOOXY1YJNItP...3.APS1ICEH) goes cut to
indicate the end Of:di.achaxiing.-
Having pro.744ecVneOlOi*ty-time or,discharget close
? - - -
valves 98 and? 10070a, completely-Charge the air-hydraulic
accumulators., Up.=
accumulators :Apr!'
into action
to lessen
xng the air-hydraulic
-off Valve -should come
la operates tura rod 318
11),,
_insure discharge of an air-
.
onds that corresponds to
tiesec. Charge the air-
ve 100. The cut-off valve
-three times?
St
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1=4-9.
supply-intermediate pressurs?
valve 11 to the air cylinder of L1-?!
work is determined by ear.
Perform the check 3 times with a
-
being equal to 100 kgf/sq.cm.
150. Plush hydraulic system pipias
(see
ing the System").
151. Test hydraulic sysem pipings for ti1atnez:
Section "Testing the System for Tightness").
Inspection During2MIallt_anaLE
152. Open manholes of oil tanks, inspect, and, whez-c
necessary, clean and flush inner cavities.
WARNING. 1. When replacing paronite gaskets, see -
they are made of paronite YB-10. Never
paronite gaskets of any other grade in
joints of the hydraulic system.
2. It is prohibited:
(a)to install rubber collars with scratcr?
notches and other defects, as well as -
correct these defects by filling;
(b) to install improvised (non-standard)
G=Ir
packing rings manufactured on machine :cols
by manual filing, etc.,
(c) to use cutting tools to position rubber pack-
ings and to fit them into their seats.
F. FILLING, DRAINING AND FLUSHING THE SYSTEM
FILLING SYSTEM WITH OIL
153. The newly installed and flushed or drained system
must be filled with spindle oil, grade AY.
Prior to filling the system, do the following:
(a) test hydraulic mechanisms and masts for locking;
52
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that the syste.3. Is filled with the propergrade
of oil as indicated in the ?Cert/ficater,
(c) prior to attaching oil charge anA disdharge hose 57
o t.nr/ Piping, thoroughly flush inside of the hOSO with oil
Heated up to 60 - 70?C;
(d) check to see that inner surfaces are clean in all
oil tanks;
(e) close all valves and cocks of the system* _
Deliver oil with one of motor-driven IMMO 1201:031:40d
C orrpar+;ment VII by opening valves communicating this pump
the system and valves 61 and 63 -at the by-pass
valve.
Fill the system in the following sequences
Filli! Service Tank
Open valve 38 and turn back f=1*nte-...joint..,eitert*ctio#,.,
co': of the motor-driven pump. Remove plug _.connect
hoe ction line, and pour oil into, the- _hone _train!: the:
deck. A. coi as oil appears in the se-vice tank-and-at
stop filling, close valve
the p
valves 52, 53, 54, cock, 51* prepare
DUrnt, -art it for filling theistC&Siar WarNM& 4.Tbs 011ragialk ,01111
voir on 1 ck. After the service tank tanned
per on the level gauge, stop the *imps La
sumed the service tank with oil when ti
_
Spare Tank
155. Open valves 28 and 38* and fill the
to the upper mark on the level gauge'laiglAlla
from the service tank. The filling over, clop*.
Pillin,s-c Reserve Tank
156. Open valves 65, 77, 1159 cook -II
pump. Fill the tank up to the upper _
then stop_ the pump and clone valve II-5.
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ZI.4--..-alL401fa_22721-1.11,Ea_laaL
157. Open valves 85, 86 and start the lyamp
Then ,-4---
up to the upper mark on the level gauges ,L.,i,lli
and close valve 85.
Filli
Pressure and Drain Pi .e Lines
158. Close valve 54, open valves 480 49, 66, 76,
127, 128, 129, 136 and start the pump. Prime the press-0 a
drain pipe lines with oil until the air is forced out frc
them. Stop the pump and close valves 48 and 49.
Using the emergency pump of compartment III, prime the
pipe lines. Open valves 91, 113 and back out the pipe union
at the pump suction connection. Tighten the pipe union as
soon as oil appears near the suction connection. Open
vales 90, 92, 93, 94, 95, 98, 115 and start the pump. Having
primed the pipe lines, stop the pump and close valve 136
Filling the Stern asse....2121!
and Evacuating Air from Pil.,pes 4-
159. Open valves 18, 43, 449 place the handle of the
1, 1.71 evrt4- Tr,n 1 irret TTY P 4-1,ett
wm.a.a.sv 44La one c. V",
end positions, and open needle plugs to bleed air from the
both chambers of the ram. Start the pump of compartment VII.
When the oil appears through the plug, stop the pump and
tighten the plug. Shift the control valve handle to the other
end position thus filling the other chamber of the tilting
ram.
After filling the ram employ the hand pump of compart-
ment- VII to evacuate air from pipes 45.
For this purpose, open valves 21 and 269 back out pipe
unions on pipes 45 at the safety slide-valve through 2 -
3 turns, place the control valve handle at one of the end
positions and employ the hand pump. As oil appears tighten
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- 47,
r,Cai7(and
777
control valve h,nr. zo
continue
,-,-,T1.'nate the hand pumn
tfltinz ram filled and air ele-cuated,
77,
control -valve handle to the middle position and close
valve la
Filling Vertical Rudder Ram
and Evacuating Air from Pipes 46
160. Open valves 9, 11, 41, 42, 122, and place the
fldie of the ram control valve in the conning tower at one
of the end positions. Fill the ram in a manner similar to
filling the stern plane ram. Upon filling the ram, close
valves 9 and 11.
Air is evacuated from pines 46 in the way similar to
evacuating air from pipes 45 by opening valve 16 and putting
the hentle of the vertical rudder ram control valve in com-
Partmlit III at one of the end positions.
After air is evacuated, close valve 16.
Bow Plane Tilting and Rig-In Rams
v:icl;riting Air from Pipes 137
1L1. Open valves 2, 3, 14 and 135. Fill the tilting rams
and cu ate air from pipes as outlined in Item 148.
Afr filling the tilting rams and evacuating the air
from t: put the control valve handle to the middle
posifc, and close valves 14 and 135.
.1.Illi14.17 One-Chamber Hoists 6r-VAN,
RAMKA, Snorkel FLAG and...
162. To fill the VAN hoist, open valves 79 and 82, open
a needle plug on the hoist to let air out, and. put the cont-
rol valve handle to HOISTING. Start the pump of compart-
ment VII. If oil leaks through the plug, stop the pump and
tighten the plug. Fill the RAMA, SnorkelFLAG and MEAT
hoists following the same procedure. -
To fill the FLAG and MEAT hoists, open valve ao.
On completion of filling the .one.chamber hoists, put the
handles of the control valves to the middle position and
Close valves 79 and 80.
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and nK-8.5
163. To fill the
plugs on the top and botto:L
the control valve handle one
the pump of compartment VII?
the plug, stop the puthpt and ;
.::271 ?
Shift the control valve handle 1;c)
Li
then fill the other chamber of the n.ci4J, fc17
procedure.
After filling the hoist, nut the control valve
the middle position, and close valve 7.
The IIK-8.5 hoist shall be filled in li.fe manner
valve 125.
Fiing Pip1ngs and. Hydraulic
IlechankEESilLaitEE
164. Fill the pipings and hydraulic mechanism
with. the aid of a hand. pump of compartment VII. For th::.-;
purpose, open valves 67, 68, 88 and 899 put the control
valve handle to one of the end positions.
To evacuate air open a plug on a hydraulic mechani_
_ _ _
most distant in the _given group of hydraulic mechanis:Ls
operated by this control valve, and deliver oil by the hand
pump. As soon as oil leaks tighten the plug, shift the cont-
rol valve handle to the other-end position, and fill the
other chamber of the :hydraulic mechanism in the same manner.
Make certain,1_ that: the most _distant hydraulic mechanism
is filled, :+0.4e*::ppen,:p3(ugs_4ri,-:.succession and fill cylinders
of the?-,othoza:19. mechani szs of the givengroup.
mechanisms of 'other groups in the same
0
r."-?
are filled, put the
he middle position, and
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165. L77-,en valve 11'9, sat val
CA:
12 and 102 to NG
RETOItL
07.er plugs on the top covers of the air-hydraulic accu
nulatOrS.
fill
the
Start the rumo of compartment VII and completely
air-hydraulic accumulators. Stop the pump, close
valve 109. Watr.h the
signallin board to check the filling
of the air-hydraulic accumulators.
When
the Pistons of the air-hydraulic accumulators are
in the upper position, Pour
screw up and tighten plugs.
To completely evacuate
air-hydraulic accumulators,
thereupon prime the
ing them five times
oil into the upper chamber, then
air from the oil chamber of the
fill the air flask with air and
air-hydraulic accumulators by discharg-
through valves 100 and 109.
SYSTEL1, AIR FLASKS A.ND AIR-HYDRAULIC
iS RIM AIR
0n filling the air flasks and air-hydraulic
ac-
,2s air follow maintenance instructions on the
hi.-'u.:re air system. In this case, the air-hydraulic
accumulators should be completely filled with oil.
u:1 valves 72; 74 and fill the air-flask with oil until
pressure c,au6e 73 or 97 reads 100 kgf/sq.cm, then close
valve 72. An hour after charging, blow the air flask and
piping having opened and closed valves 71 and 107. Then open
'valves 72, 101, 104 and 108, add air into the flask and fill
the air-hydraulic accumulators with air until pressure
gauges 73 and 97 read 100 kgfisq,cm, whereupon close valve 72.
167. Upon filling the system withoil and air, check the
operating mechanisms for smooth work, For this purpose, work
with every mechanism separately till air is completely eva-
cuated.
To check for absence of air, open plugs on the .operatirkg
mechanisms.
Pay particular attention to priming and qvImona.0Jas t#to
air from the pipings and rams of the TplaneivandriOdders
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14/A11111i G
valve I3nould
maintainin
ance wity
facing.
DRAINING THE SYSTEM
-
168. The drainim7 of the hydiNaulic system ivolv_12
removal from hydraulic control of all the o-peratini7,
ims.
Therefore when draining the system, observe all
asilres to insure buoyancy and Linsinkability f th.,-
:..flould be performed immediately b-,foro- ft
-
in case of changing oil:
if ahalysis of oil for content of water ar....d lor
-_-1-.;t2r (see Item 135) gives unsatisfactory data;
\ 4
12 months after the last change of oil reirc...
711.71lysis results;
si La
running and medium repairs;
?
'41
the p.ilcztom with ^41 other than
.e service tank is drained only in case of unisatia-
ry taken from this tank.
the tank, follow 'die procedure below.
12Ci. hrin the system to the initial position and lower
all tbe asts. Open valves 90, 91, 92, 93, 94 and 96 at the
:Lotor-driven pump in compartment
171. Open valves 100 and 109, and discharge oil from the
air-hydraulic accumulators into the service tank. Close
valves 100 and 109.
172. Back out nut-plug 58 on the pressure line, connect
one end of hose 57 to the connection and put the other end of
the hose into the reservoir on deck.
Start one of the PuMlui in comPartment VII and drain the
service tank.
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0.1).e 41 4.i. 1 Cr4
dvvin the reserve tank.
Open valves 84 and 861 1.nd 1.1311%,:.
partment III drain the 35-litre tank.
Should the need arise to drain
valve 38, open valve 281 and start the pump ioo
MMt VII.
173. Disconnect the hose from the pressure
the connection with nut-plug 58. Back out plug 55v c.Qnncc
to the connection a hose runnine from a crosspiece or pn-
matic tools 9 open valve 136 and blow Oil from the pressure
and drain lines into the service tank.
Plug the connection with nuti-qaug 55, attach hose 57 to
connection 58t close valve 66 aud employing the pump of
cap?
p.&rtmerit VII drain the service tank again.
174. Open the upper needle plugs on cylinders of tiltin4z,
rams of the bow and stern planes and of -the vertical rudder.
Opening the lower plugs in succession, drain oil from cham-
bers of the cylinders into a portable cOntainer.. This done,
close the plugs.
175. Open drain plugs =hoists of the masts. Drain oil
into the pOrtable container, and than close the pluga.
1!"'"L
ppen needle plugs obcth ber tmg^'1"it (1.4"
W0,1011.
the hyaraulic mechanist:4i: Displacing a piston. of the hydrau-
lic a!echanism by band from one to the other end position,
draill oil into the portable oontainer,-and then close the
piugs.
wARnING, Drain' the vent ve lageraulto mechanisms with
'du* ooneidem
ins au
177. To complete
flow can.be inbJbi
drain oil IINmi
1780 To
plugs inate4
179. not_
tainer throw:2V_
180*
utresants for maintain-
ces where oil
ens on pipes and
ihman COCkS or
portable con
move the
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tap covers of the air-hydxeulio to
ing surfaces of the cylinder and piston and to chRrise oj
filled above the piston. Should burrs and other damage
detected, eliminate them.
Replace rubber packing rings of the piston if faulty.
WARNING. 1. Never unscrew plugs and never back out,
union nuts on covers of the air-hydraulic
accumulators if they dre under air pressure.
When removing the covers, elose.valve 741
open valve 107 and relieve -piessure from any
air-hydraulic accumulator by opening valve
101, 104 Or 108.
2. Fill, drain and prime operating mechanisms
only in the presence of the attending per-
sonnel,
FLUSHING THE SMIEL1
181. The hydraulic system is flushed. to remove dirt,
scale and. other solid matter accumulated. in pipings in the
process of operation of the system.
The system is flushed with the aid. of a non-organic
7111mrli plant TOnnt leulptpd nutaidn the submarina,_ Flushing is 'Der.
formed during preventive inspections and repairs and after
draining unspecif.ied oil from the system('
182. The non-organic pumping plant is positioned outside
.the submarine and. is connected at valve 3.36 by means of pipes
or hoses laid through companion hatch of compartment I to the
pressure and. drain lines.
The pumping plant output at 4 pressure of 20 kgfisciscm
should be not less than 200
183. When flushing the system set, branching link pipes
at the filters, control valves and. operating mechanisms to
shut off the latter for. the tie of fli&Ing.
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be attached to flange joints
Note: Branches running from control val
mechanism should be flushed only
lug the system.
to Ci171 "Rt.4r4.7*
mea. we= ????????,?,
n n.cczim
of wate,--
184. Perform the flushimgbythe non-organic 1-1=Di718
Dlant continuously until fine oil filters are completely
clean; but the flushing time should be not less than:
- 6 hours for pressure and drain, lines;
-4 hours for branches running to rams of planes and
vertical rudder;
- 4 hours for branches running to rams of masts;
- 2 hours for remaining branches.
155, Prior to flushing the system take the following
steps:
(a) fill the systems with oil;
(b) lower all the masts;
(c) sat control valves of all the operating mechanisms
to t.Le middle position;
(d) lock the operating mechanisms furnished with locking
9
(e) shut all the valves of the system.
186. When flushing the pressure and drain lines, open
all bulkhead valves on pipe lines,. and also valve 54. Atter
the pipe lines are flushed, close valve 54, and flush pipes
at the air-hydraulic accumulators. To.thisend, fit links
between pipes disconnected from the airk-bydraulic accumula-
tors and connections at valves 100 and 102.
Open valves 98, 104, 105 and 106. By opining valves 14
_
and 109 in turn, fbash4aWD&Pess.thPkeuPauraieve the links,
and. close the valves.
187.. When flushingbranches. running the. rams of the _
,
, .,
planes and rudder,_:.fit2,-;_ ,sli.,;-:=;, ' est _,,,-1 By - oj?eninig .
_ , ... --,-F,,,74:-If44;7:7 -,-? 7.-7 --_-1 -:;:'-i- .; : i
valves _13 and 14, _;15 and 16,17
-;,-,..- _-ixt_turn? _
flush pipes, ":then reaove the-:,,Ittik
t',--P attr...,the valves.. -_
_
?
sor,voii.:????????:,
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7,prlEcoDe nK .8.5,
ite=
ends
/4 r In
4.4
183)
irnen
ath.T;
and open valves o ft
flusl,ing the one?chamber
zi ar
viztzatn lob 4,R; C.":
T ai," I use np
-pipe r.orring to the =ast with the pressure
pipes, rlinning
vai4e 79
and
prtri
to the control valve, amd also
or
then alternately open valves 80 and 81,t.:2
83.
After the masts are flushed, remove the link nines and
close the valves.
189. ghen flushing the branches running to th., hydra-no
c'rlanisms of the operating mechanisms, fit links (see
1)..3).
Alternately opening the pressure and drain valves before
control valve units, flush pipes, then remove the link pipes
a:-.vd close the valves.
Start the flushing from the branches of compartment VII
and proceed in succession to the branches of compartment I.
In each compartment perform the flushing so as to keep
clean the branches flushed before. For this purpose, start
flushing from the most distant branch of the given compart-
ment.
190. Following the flushing of all the branches, per-
form the final flushing of the pressure and drain pipe lines
until they are absolutely clean (see Item 186).
After the \flushing is over, :disconnect the non-organic
.csystem, and connect the
htneOss---
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/11 11 /Pr/ Aft
1.4
.P.P.41121.
The blmte- is tested for tightn
joints are tightened. The test
,1202.4111M,14,62,..,
for tightness Is
when laying or repairing the pipings as well
inz
preventive inspections and repairs.
TESTING THE AIR 'PIPING
192. The air piping running to the
lators and air flask should be tested for tightness with
corzpressed air.
For
1.-ressuz?e
with the
this purpose, deliver compressed air iron the high
air piping through reducing valve 72 In compliAnce
procedure described in Item 166,
Build up the pressure ti) 100 kgrisq.cm. by 20 to
25,kgf/sq.cm stages and check the pressure against pressure
gauge 73. Coat all the joints with soap-suds and Inspect them
at every stage of the pressure. Should air leak through any
one of the joints be detected, relieve the pressure, tighten
the joints and go on with testing. If the trouble cannot be
corrected by tightening the joints, relieve the pressure,
disassemble the joint, replace a gasket and repeat the tost
operation.
WARNING. Never tighten the joints under pressure.
193. Upon testing all the joints for-tightness, condi-
tion the air piping together with the air flask and air
chamber of the air-hydraulic aocumulators for 24 hours at an
air pressure of 100 Ice/noon. The should not
exceed 2 per cent of the
The first cheek
after the working pre
194. To test
air is dfro
to the cut-off vel
-
When so
mediate pres
farmed 2 hours
comPressied-
piping
kultaylzvalve 111.
4.4tPra-
ogees-
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and check the pressure against the pressure gage installed-
on the intermediate pressure air piping. When the pressure is
built up, coat all the joints with soap-suds and eTnmintu them.
If the aim leaks through any one of the joints, follow the
procedure outlined in Item 192.
TESTING THE BIDR4UL4C SYSTEM
195. The hydraulic system is tested for tightness with
oil, grade AY.
The oil pressure for the test operation is built up
with the aid of the hand pump located in compartment III.
After the desired pressure is built up, the hand pump should
be disconnected by valve 84-.
The value of the test pressure:
(a) 125 kgf/sq.cm for pressure piping;
(o) 32 kgf/sq.cm for drain piping.
The pressure in the pressure line is checked against
pressure gauge 89a and in the drain line against pressure
gauge 896.
Note: When testing the system, the hand pump of compart-
ment VII can be employed,'
196. Perform the test of the lively
aulin system for
tight-
ness within the time required Tor erarrUning the joints.
Should leakage be detected in any joints open valve 100
,
to relieve the pressure PI the systems tighten the joint and
go on testing.- If the oil still exists, disassemble
the joint, replace-X!.e:teat-f:lie test.
197, iicz to testLx the )i#1.0.tiliim,system for tightness, ,
take tl* oarSzte
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NARJINa. When testing the oressureT-,ipingst open valves
68 and 83 to avoid breakage of control valve
electromagnets.
198. When performing the tightness test of the pressure
line ts stp _veg.......of contr lyst_en valves 84 and 86.
While testing pressure pipings of the pumping plant, open
valve 98 and a respective valve of the branch under test.
199. When performing the tightness test of the drain
line u to sto valves of control valves, close valve 53 and.
open valves 98 and 100.
200. When performing tightness test of measure branches
from stop valves to control valves, open a pressure valve of
the branch under test.
201. When performing tightness test of drain branches
from sto valves to control valves, close valve 53, open
valves 98, 100, and a drain valve of the branch under test.
202. When performing tightness test of branches from
:_ojy.es'..o p..atrjAcontxtssjais..haai__.sms, open the pressure and
drain valves which control the operating mechanism, shift the
valves to one of the end positions, and examine the joints,
then shift the valves to the other end position and examine
the joints again.
WARNING. 1. Branches to operating mechanisms should be
tested in the-presence of personnel servic-
ing the givearechaniem6
2. When testing branches running to torpedo
tubes, follow the zsaintenance instructions
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YmPERENCE DATA
204. When at sea, in the event of complete expenditure
of oil, grade AY, the system can be filled with a mixture of
4-0 per cent diesel fuel, grade RC, and 60 per cent diesel
oil, grade mItt.m.
On return to the base, drain unspecified oil from the
system, thoroughly flush and then fill It with specified oil.
205. Gaskets in pipe unions are of copper and those in
flange joints of paronite.
206. Packing in seals of air valves is greased hemp
cord, 4 mm in dia.; seals-in hydraulics valves, dia.50?
employ cotton twist, 6x60; the other valves are packed with
rings made of stamped rubber.
2070 Packing rings of pistons of the air-hydraulic ac-
cumulators are made of rubber. Their life is 7 years includ-
ing 2 years of storage.
208. Hoses on pressure pipings are metal braided and
rubberized. -
Hoses an auction pipings are rubberized,.
Their life is 2 Yearie including the one-year storage
period.
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