(SANITIZED)SHIP'S FUEL SYSTEM - DESCRIPTION AND MAINTENANCE INSTRUCTIONS(SANITIZED)

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP82-00038R002100070001-2
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 54
• Document Creation Date: December 22, 2016
• Document Release Date: August 2, 2011
• Sequence Number: 1
• Content Type: MISC

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SHIP'S FUEL SYSTEM
Description and Maintenance
Instructions
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CON T E N r S
t_ ft1YT}C);~ . . . . . .. . . . . .. . . . . . . . . . .. ... . . .
r;??be and Basic Specifications .
i)s"-cr.ption of Individual Units ..... . . .... .. . . . . . .
Control and Measuring Instruments .. ....... .... . . . . .
]'. r}:N:UNCE 1.NSTRUCTIONS .... ............. . . . .
( , i,r. i Supervision and Care ...... ............ .. .
P i t paraVton for Action ... .. .
t,, rt ing, CMeratior, and Stopping
..........
1). Maintenance During Long-Term Inaction ........... .. 27-
1 T- oubles and Remedies ...................... .. . 2
F Preventive Maintenance and Repairs ................. 2B
~t'PENDICES
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A
:'M6 MUG &MCITICATIONS
GU,'. i' is Msisaed for filling and storing ti.~:
. ' i If fuel to Service ti nk of Diesels au.i
Co~i'rMSz? sm irL "WI fuel to sre) the r ship or L i s e .
am fral M, 608948" fuel teats and the fol1oeing }?ii;e liat - ? I
fuel fi1lt MA fsr, fuel COapeasatimg, vent; rc, Sam[.1;
colleotiu. Ali 4 40 the submarine amoun'tas
(6) ue 1 MOMM t44 rsern is inner and outer fuel
is 23600
(b) d u fuel reNrve when fil'ine, f L e 1- L
tanks 105 ' 7A; 401-9 5441tioalll7 is 440.0 tons.
?tae l tI. ' 20l liiliat through two feed deck
a pres~ a" $ fuel t Sestlsre of not lea93 than
flooded %o$, 4 t 4aNed=
(a) am ti11i, ?alllrl useful fuel reserve at a Vrebb....
hind the intskS am tilt lg 111" 20 ? 820 - 5 hours;
(b) while fiili".l,ielMM6 useful fuel reserve at a t re: .; _
behind the intake sN colt-eqiaLliag 15 a 820 - 9 hours.
Notes Useful fuel zieeiVs SM~s a fuel reserve less 2 p t-r cu.
acrd for sprS dial &M aead reserve. For fuel tan}cc N ,
4f,596 the Useful rossrW is gives with lead ballast
_ : -
i.ng taken into account.
:tie feel system pipe line is aseeabled of pipes:
(a) steel, leas;less, of diameters: lO6:o4; 89x4; 89x2.5; 57x3.5;
i..5; 44.5x4 44.5x2.5 - with flanged coaaeatioas and of diameters:
32x2; 2x3; 22x2; 14xi.5 - with pipe connections;
(b) red copper, of diaiaeters: 110x5 90x3.5; 55x2?5 45x2 - Situ
e, joints, and of diameters: 32x2; 9xl.5; 6x3.5 - with pipe cou-
nE.
411 the gaskets are made of paronite. The fittings are made of
and brass. The fittings of pipe lines are made oft
;tee, - for fuel filling and transfer, venting and sapling
. I,es3 j
for compensating pipe line;
brass - for collecting pipe line.
`. 1 system pipe lines in assembly are oubject to testing
-s~ by a bydraulic pressure:
c1 filling and transfer pipe line, outer fuel tanks
sarpling a.nA venting pipe lines up to the second
by 38 kgf /cm ;
A-~ r fuel tanks c rqc-creating line, the collecting pipe
'. p e 1 I ne s . ) f fuel tanks Nos 1 and 2 uu to the
~'-B _n c'r: :a? nt I : ' - by 12.5 k/cA ;
r'z. ~-? r:;- he -anks u.P to the first shut-
.at' v .,e a-,,ective tank;
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i O pipe lines located in the f ue.
f sl?Wli~ lj`M # eitill llll' pipes - by flooding.
C' 1ND(VIDUAL UNITS
a 1 ' a
sM
7 . . iM r h 8 l w: t Nhartae. there are two inner t a n k s
ti .
sew 4 , 1 1 1 4 1 W . a140 3.4. f, S. 7. ?, 3. besides, five ballast t:,
7. mart:? S #A :[O iMi for ftael (fuel-ballast tanks).
To~de , >i :rd`':wassr o_I at the collecting pipe I in t ~, tr: c r
fiat 0600e41111 1*g'p1^1~i4 has an span ventilation, depth g.,Li*4? a:. ? .
net*ais Mt drain pops line.
Ti IN :1 f1 flowing ikons the system overboa ra w h i l t 1: l
or shsa; a>r i ss~ss, there is a pressure equa?i,:,.p
Mf Ml~ iii M the reaSon of frames 8 S - 8 7. Tli
the M 4~ sd with overboard.
1`e"l+Mira-thp.ll d toed (water and feel) free surface ufft-c s
?tabili4- [ sa l e. t w i t tanks are provided wt
~ .
Made-
Meta w~Air lwlli[ Ol.. 3. 4. s and 6) is separated by
J
nal bulkhead as Yfe i a ld. rad by a lateral one - in four Dart.,
-
fore, port sins aed.tarhesrd,awl/ +l, part side and sta rb a r E ,
- fuel On" Mes1,7? $sri separated by a longitudina I hui,.t-.i
along the cstlRre line iR two halves - part side and starboard;
- fuel tank No.$ is Mparstd?by a longitudinal bulkhead along v it,
centre line and by a lateral ens to these parts: fore port side, fore star:
and aft part;
- inner fuel tank No.1 is separated by a longitudinal bulkhead along
the centre line;
- 1wer fuel tank No.2 cuesists d two halves - port side and star-
board.
Separate parts of each fuel tank communicate with one a .rtner v.. !-v-
pass pipes running from the bottom point of the tank on the side . if fuel r .1. -
link and transfer to the top point of another part of the tank. Ise a :s?iT..;
way by-pass pipes are Installed on all the parts of the tank.
In the fore parts of port side and starboard tank No.5 there are pipe
crosspieces between projections formed by recesses to accommodate the
sea rocks of ballast tank No.5.
The covers of all the outer fuel tanks on the Bide of fuel filling L,nd
transfer have protruding ports caUed "rings" to which venting pipes and
"-id transfer F:pe lines are led.
~,:y. "rinser" are designed tc, rt"duct "dead" capacity of the outer fuel
t a' n , (,Ice i1 tank No.2, consists of two ha]Yes: pt rt
,It.: , xt.t'i l5r~ ,ther v a a by-pass pipe-
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~ .. th. amount o[ fuel to be filled and the lo-
cation at tatnk? ash'
t?i~?M~'In' Tabta 1.
Capacity
in m3
(net
weight)
Amount
of fuel
to be
filled,
tons
Inner fuel tank No.1
22.13 18.3
Inner fuel tank No.2
10.38
8.5
Outer fuel tank No.3
22.12
18.3
Outer fuel tank No.4
54.75 44.35
Outer fuel tank No.5
54.58 4t.4
Outer fuel tank No.6
41.83 32,32
Outer fuel tank No.7
34.8:3 26.ti
Outer fuel tank No.8
16.44 13.6
Outer fuel tank No.9
39.23 32.5
Fuel-ballast tank No.2
43.62 36.1
Fuel-ballast tank No.4
58.88 48.8
Fuel-ballast tank No.7
51.45 J 42.6
Fuel-ballast tank No.8
33.86 28.0
Fuel -ballast tank No.9
56.88
47.1
Fuel collec` .ng tank
0.73
-
Diesel service tank
1.19
1.01
ocat.c
compart - T rF
rr:ent t ~ r
Note: Column "Amount of fuel" indicates the use:u1 f.iel rc;,erve,
Fuel tank No.6 is a service one for all the fuel tanks. T'.r, r_rl,,,tip.
tztis service tank is to prevent penetration of water into the I : iier,
to tank when transferring fuel out of the tanks is over.
2. Fuel Filllin and Transfer Pipe Line
The fuel filling and transfer pipe line serves to debr?er fuel to i,11 the
f.el tanks, to feed it from fuel tanks to Diesel and Diesel-compressor
BCrvice tanks, as well as to transfer fuel to another ship or base,
Fuel :s filled through four feed sockets three of which are located
on deck between frames 37-38, 64-65 and 79-80, and one- ;.ci the front part
of the fairwater between frames 47-48.
The fuel filling and transfer pipe line consists of to lines: filling
.ne and filling and transfer line.
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(a) Filling Line
The Mug life rte. Ibrougk the superstructure. It Comm fow teed sockets 44 through sea cocks 43 and 53 with the filling, tar ,line. To dtscensat thf feed sockets from each other, vat,. e
on the Use.
(b) Filling and Transfer Line
all meTcbe filling And, transfer line is laid inside the Etrengtth r .:' .
aspartments of the- submarine. In compartment t
line are Yajvss 17 and 20 which disconnect the former in t? , . r ,
and aft. These tairss are installed to ensure independent fuc,1 ? r
from fare and aft beanch.s of the line.
The line has tie following branches:
In compartment I - to ref cocks I and 64 of f ue1- t .d
In compartment M - to sea cocks 4. 6 and 8 of fuel tut .
S and of fuel-ballast tank !u.4, to
from which through valve 58 the 1,:;
fuel tank No.1 as well afs to vat % (> 5') f
through valve 56 the pipe is laid tc- f
No.2 (port side).
In compartment IV - to sea cock 53 on the brarir. pips,.
extension piece with cock 11 t(, ;,r,?:
54.
In compartment V - between valves 17 and 20 to sea
consecutive fuel transfer through f.,'
No.6 and to valve 16 from -i,ach via. ;,;,
es to sea cock 18 of fuel tank No.'; ,nLi
valve 21 of fuel supply to the Diesel :,,'r' ;
tank.
Behind valve 20 to sea cuc? r. t.he- hranrh
is provided with an taxi r.~~, r. S`:tn vale
and pressure gauge 15.
To sea cocks 23 and 39 of fuel-t,,,!I.t't
in compartment VI - to sea cocks 24, 25, 36 of furl t:,:. ". ." .~;
fuel-ballast tank No.8.
In compartment VII - to sea cocks 27, 30. 31, 32, 34 of fuel tanks
Nos 3, 8, 9 and fuel-ballast tank No.9.
The pipes running from all the valves and sea cocks of fuel filling
and transfer are brought to the upper points of the tanks.
Fuel service tank No.6, apart from the fuel filling and transfer sea
cock, is connected with the filling and transfer line through fuel successi-
ve transfer sea cock 19 from which a pipe is brought to the tank bottom Poil`t'
Each fuel-ballast tank (Nos 2. 7, 8 and 9) is connected to the filling
c1 transfer line through two sea cocks an port side and starboard.
i,acii outer fuel tank is connected to the filling and transfer line
r . ?.ai`h a sea cock.
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Each i.iner fuel tank (Nos 1 and g) is connected to the filling and
transfer line through two shut-off valv.. -
3. Fuel Compel sating Pipe Line
The fuel compensating pipe line serves to deliver compensating water
all the fuel and fuel-ballast tanks while transferring fuel, to displace
,trr %%hen delivering fuel, to equalize pressure in the outer fuel and fu i -
tanks with the overboard pressure while the submarine sut;rttor,?
This pipe line is also used for draining the tanks and for transfer r .
??i to another ship.
The fuel compensating pipe line consists of a common cur n ensat.:-
,w, outer tanks fuel compensating line and inner tanks fuel cornuensut.'-;-
i.',t? as well as of a pressure equalizing pipe.
(a) Common Compensating Pipe
Die common compensating pipe is laid in compartment V fron. tr.t?
:aunt cooling pipe through reducing valve 14 and shut-off %alkc? 4.1
f miner fuel tanks compensating line and valve ( cif o-tr r f
~n? 5 compensating line.
Installed on the common compensating pipe are safety valve 4, ??.
gauge 41.
(ba Inner Fuel Tanks Compensating Line
I:,e :nr r foci tanks compensating line runs from
.r;r.?k" t '%nere it terminates in valve 12.
1 ..E
'.as a branch:
?tr p., rtrient 111 - to valves 5 and 9 of fuel tar ks l cr.cl Z :a , a
to valve 7 for corcncct:on to the 'rte. ;,,F f P l.f ; :.?
tloSe.
Installed on the pipes bs?tw en val?.E?c, 5 :soya
and the furl taa- ~ arc? -afetV ' A'AVCH ,, c:. qtr cl f+
a puppung precwure of ).5 crt` t.. ; , .?, e
ov:'rpressurc, w j! of the tank r3 ?.c b.:lte pr r, 9, submarine hall,
r r>a,t.? 1 '~ - it valve Si to drain :; at:?r irr,nl trip ^nr?r furl
taanxs, V ',en tits .;treng'. rouli of tot submarine
r&, presized i a submerged Icoslt;:,n. and to
safety valve 13, ad'u:ated for a popping pr es urn'
>f 2.5 xV'f!cm2
to relieve excessive pressure
from the nner tanks corpensating lane.
? ~ r .
.F, unn?? fed to t.-,e line tia a vaivr.?, whoLae pipe'
P tar .
g
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(C) O rPusl Tank Compensating Line
The outer tall tank aompsonsting line runs 'through all the corpa r
Monte of the submarta .
The line has brwches:
In compa~hnent Z ? 16 -aft cock 2 of fuel-ballast tank No.2 .. n
valve 63 for connection with a hose of t:
drainage pipe line.
In compartment ill to aea cocks 59, 60. 62 of fuel tanks
S and fuel-ballast tank No.4 as well as t,
valve 59 for connection with a hose of ti
drainage pipe line.
In compartment IV - to a water, ptpe of the garbage e,lect:un
In compartment V - to sea cock 49 of pressure equalizing p:,,
sea cocks 48 and 22 of fuel tank No.h vi
fuel-ballast tank No.7 and to valve 50.
In compartment VI - to sea cocks 26, 37 and 38 of fuel - t, n 11.
Noe 8 and 9 and fuel tank No.7,
in compartment VII - to sea cocks 28, 29, 35 of fuel tanks cNur-
and 9 and to valve 33 for connection wit'".
hose of the drainage pipe.
Each outer fuel and fuel-ballast tank is connected to tltt' 1,;.t t
one sea cock whose pipes are brought to the bottom point of t;ir?
(d) Pressure Equalizing Pipe Line
The pressure equalizing pipe line starts in compartment ti' f rt.r: t
outer tank fuel compensating line and via sea cocks 49 is brought tc, ths
top part of tote pressure equalizing recess which is commun;cated %.a
bottom part with the overboard space.
3.. Ventin t'g ipe Line
The venting pipe line serves to ventilate the fuel and fuel -hallzkfit
tanks, to determine the cessation of fuel transfer or that of the tank ; fit:. '
h rile feeding fuel into drained or scavenged tanks, to ventilate and urain
fuel from the pressure equalizing recess as well as to deliver air to tft?
r,;el tanks. Venting pipes from hull and shut-off valves 70, 72, 73, 75,
F,3, 97, 68, 94, 90, 94, 97, 99, 102, 105, 107, 110, 114, 115, 116, jig, 121, 1
y' ;2A, 1.32, 134, 135, 137, 14th, 145, 146, 150, 151, 15:1, 153, 157 are led
cin nt Of each part of the fuel tangs.
f'?,tf 1 nn U (- venting pi1)Vs Of nUtt~r fuel and fuel-ballast tanks are
rf va~:? outer "LWI tank between the fir st
ref f:iel f:lltng ar; as on the
a r t;r;,ric. ti p' 1>e conriectl0Tt5
cse of a nne*unttlc tool.
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1'1-G n`..
rn_,~? ... mot;' t ~r '' Yp.^ _~;" , _ . .~ .
l1
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ilstalled on the venting pipes of inner fuel tanks Neon 1 arnd'2 up tc5
75 and 87 are pressure gauges 71 which serve todeternaifl e the pro Sure
in the tanks.
The pipe line for transferring fuel out of tank N.3 by go nDresfied
It ci to the venting pipe of fuel tank No.3 between valves 125 and .12 7 .
4. Sampling Pipe Line
'I', "anq ling pipe line serves to determine the cessation of fuel fit
rcr; tetvim fuel under pressure and complete draining of the fuel
...em by air.
109, 113, 124. 126, 130,131, 139. 11' 1. 1-7, 14zr,e cckn.ie=: r
cnoint of those parts of the fuel tanks %vhic h receive I ipe :
,I )i mg pipes of the outer fuel and fuel halls t ta~71:*.
C ollecting Pipe line:
is desi;ncd to drain water and fuel into the
:f' the sampling and venting4 valves.
..: lc-d along the "oole tue
ug fuel tun:;.
i.rl with drain f r-:,,?e 1 _"n co-
iY~?ti...
.if i}. I. ~...
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screwed on the sleeve of cover 9 and then se:)le;a.
Under the action of the wring, the = al%(.? Is
c :rt ;li
valve disk 2' and pressure bush 4.
The "packing of the roil iseffected by diaphragm 10 press ~t
diaphragm washer 7 and spring botton) di : ' ii ,; tyro re t F ' . 'a
washer 14.
Located, in the cover with sleeve 9 tc 13
ween t-le top and bottom disks. The adjustment r)f
pressure screw 17.
After the adjustment, pressure screw 17 is c 1a rx3 Cij
Upper packing ring 3. is secured on rod 12
and pressure washer 5. Lower packing ring 3 ;_: f.) tv: + ci Iu rod 1'
u.;. _n CLivity'
tes, and adilist t1ie',
) ' ;n F:(,
.c .
rle \i'.+.li be nFeflceeted and will di t)iac_{:. t:-r,
.'tr ci,:tk ; - 'li be increasers.
ri ug. of fael c n ~i. x. ,ix) t
t`r)e passage abo e the d sr s '. tll 'r,e ; t d:;,.' ci
the treasure dc'.cre sties , t e
As the },rcrs ure in cacllr ?ssd ~r,,nr~~1,t'n1h.
ec, the diaphm:gTt v.-ill be defl(
i
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(1i) iss:y peltrs
(KE 3, 1pp ! Rd, sos 3, 10, 13, 40)
The , +4.t7 -valve consists of cast body 1, spindle 9 with
;adjusting bush 14'sAd disk 2, spriaa 8 and guide bush 3. The
ad3%etasmt of the val?n fe*,opeslah pressure is effected by
ad3wtias bsa- 14, which east the spring compression.
or the ad$vsfsearrt the bssb is fitted by special nut 12 and
is dlosed by.osp ly, wbiih is seaIMd.
As the pressure in tbs pips line ( and hence in cavity A)
alve disk 2 rises and the water is discharged to cavity
then the pressure in esdty - is Orouprt to normal,
the disk under the action of the spring seats and closes tro
,`valve. The water entrapped in oavit* 8 through the clearance
between guide bush 3 and spindle 9 is removed via channel
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,rt n c 5u
?onv
y ~nt?r; ..sk: 5?rvlae bust,, ,-Nnr,&at,
-nit; >--rudt 7- :ng- .: utc; 3-eS?:1a
:r i k; _u-ha a-tlrg
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pop
C. CONTROL AND TEASURING 1NSTRl)MENTS
Table No.2
:foe of
Schematic Name and purpose of instru-
"4 gra: s i ment'
c'rus ure gauge for measuring
fuel pressure while delivering
fusi behind the intake sea cock
Pressure gauge for measuring
compensating pressure behind
the reducing valve
Pressure gauge for measuring
pressure in inner fuel tanks
siru- ormal worklI
Type ?f in N
meat and scale reseur Location
L.orking pressure
UTK--1 OQEx
x4/2.1
2.0
2.1
MTi{-1 OCDx
x 1.6/1.0
MTi lOOEx
x9; ~.7
0.7 ,. 0.9
1.0
2.5
2.7
Compartments
IV and V
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A. GENERAL SUPERVISION AND CARE
1. See to it that the pipe lines, sealed connections and fittings. are in
good condition.
Eliminate the found faults.
Care should be exercised to see that the seals on the pressure gauges.
safety valves and the reducing valves are intact. Watch fastening of the
hull fittings to the sockets and weld-in bosses.
2. Every week turn over all the valves.
a Onee-a-month catotyvalves.
4. See that the fuel tanks are clean. Cleaning of'fuel tanks is effected
at the neat docking.
5. Check the availability of the pressure gauge checking certificates
for the current year.
B. PREPARATION FOR ACTION
6. In the initial position while the submarine is at riding, all the fit-
tings of the fuel system should be in position CLOSED (3AiCPiiTQ).
7. Before the submarine puts to sea,the fittings of the fuel system
:dust be set to the following initial position;
- on the filling and transfer pipe line valves 17, 20 and 52 should he
open,
- on the fuel compensating pipe line valves and sea cocks 2, 5, 9, 22,
26, 28, ? 29, 35, 37. 38, 48, 59. 60. 62 should be.open.
Note. It is allowed to open compensating sea-cocks of fuel-ballast
tanks 2, 22, 26, 38, 60 only in casa..thess:tanks contain increas-
ed fuel reserve. While using the fuel ballast tanks as ballast
ones, the compensating sea cocks d these tanks should be kept
closed.
Caution! While at sea, it is strictly pro~itblt.d to cut off the sub?t-
rine fuel and fuel-ballast tanks (wbsn tilled with fuel) after`
the fuel transfer i.e. to close''sea cocks 2. 22, 26 2d, Z9,
went will cause damago ot`tbe tanks wl le the subm
- On the collecting pipe line vvalve 143 i.. epsn,`=i
- all the rest valves and sea cocks
only to perform the required operation end t en
when the pipe line Is
- fuel tanks are filled with;.fue1 (off+Ka
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c ontalnir,g the increased reserve are filled with water or fuel and contain-
.n',, the normal reserve are diseonner_ted.from the submarine fuel system
(sea cocF s 2, 22, 26, 38 and 60 are closed) and are employed as ballast
'antis;
the collecting fuel tank must be drained;
the pressure equalizing recess must be filled with water.
C. STARTING, OPERATION AND STOPPING
(a) Filling the Tanks with Fuel
Fuel is delivered under pressure into the submarine tanks filled .ti,th
r. It is possible to deliver fuel to the tanks drained in advance, both
:? pressure and by gravity.
Preparation for Fuel Filling
or to filling the fuel proceed as follows;
Unscrew the union nuts from deck sockets 44. To ensure filling at a
--ieeterznir:ed time, it is necessary to make use of deck sockets located
;;_e i of frames 64-65 and 79-80.
i. ,?nnect elbow 46 and hoses 47 to the deck sockets.
H. Open sea cocks 43, 53 and valves 16, 17, 20, 52 and 143.
11. In case of simultaneous filling the fuel tanks together with the Die-
-ervzce tanks open valve 21 and proceed in compliance with the Main-
Instructions of Fuel Pipe Line of Main Engines and Diesel-Cor n-
~, r Tsars ....-2.
Not Prior to filling fuel intothe fuel- ballast. tanks check the shut-off
valves of the low pressure. system for tightness. To this end,
perform appropriate operations in accordance-with the Low
Pressure System Maintenance Instructions.
filling Fuel into Tanks, Filled with Water
:na be filled aboard submarine either into all the tanks at a
pressure at the intake'sea cocks equalling 1.5 kgf/cm2, or
fuel tanks under a pressure at the intake sea cocks equalling
~.~ and after filling thereof, into the fuel-ballast tanks under a
xc ;ac' intake sea cocks equall ing 1.5:kgf/cm2.
-,)i^m valves 12, 50 and sea cock 49.
ret:cec_tive cocks 82 on the collecting pipe line depending upor,
-led with fuel.
1r, val. es and sea cocks according to Table No.3 depea
fuel into the scavenged fuel-ballast tanks. perit
late the compartments into wMch the tanks rre vent ]
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Nos of sea cocks and
valves to be opened on
ppE~lines
filling and
transfer
I
I
Fuel tank No.1
58, 61
79
2
Fuel tanrl: N o.2
55, 56
87
3
Fuel tank No.3
34
124,(122)
1
Fuel tank No.4
6
77,(6)
5
Fuel tank No.5
8
147,(1?=4)
6
F eel to nk No,6
18
7
FueI tank No.7
24
136,(1
Fuel tank No.8
32
IGP,(i )
Fuel tank No.9
30
112, .,..
Fuel-ballast tank No.2
1,
64
154, :1
Fuel-ballast tank No.4
4
14F>,t;; 1
Fuel-ballast tank No.7
59
rya,C.5
Fuel-ballast tank No.8
25
1313 2)
Fuel-ballast tank No.9
31
08 _~:)
Note: Valves, given in brackets (second shut-off valves), should ;?x
`+y periodically opened to check filling the tanks with fuel.
15. Perform fueifilling.
While filling fuel, watch the pressurer gear from the gas exhaust cooling
j o e line.
35. Periodic 11v oven va:vr :37 to cnc'ck complete transfer of fuel from
."',c,.2. late>r a},,,{ aranr_e front the olpcen ends of the pipes of vent
airs (IL' t dicatcs that the fuel is tra.;::;ferred from the respective
r ir:stal t>o:;;ton,
1'hw fuel L,,iri ,r;ner fuel tz.nk Nu.1 ii; transferred in strict compliance
t,:+inner fuel oil tanks. To do the-, proceed ;.r, fcllcv.e.
36. Oven valves 58 and ciljnd then fulfil the operations according to
I eats 24, 25, 34.
from fuel tank 1`i o.l..Appearance of water from the venting pipe open, ends,
of valves 75 and 153 indicates that the fuel has already been tr~nfifer'red
from the respective half of the tank,
tank No.1 to the initial posith^rr:
- by delivering compensating water displaced from fuel tanksitlo 3
by air. To do this, per f-arxn the following operations according to Item 36
(less Item 34).
38. Open valves F-0 and 12.
39. C_teck sea cock 49 and valve 42 for closing.
40. Deliver air to fuel tank No.3 in compliance:with lih
instructions on air rnediunr pressure system.
41. Check the amount of the displaced water by the guH1
'
104
tank No.3. To do this, periodically open valves 103,102, 101.
124, 123, 122.
42, Fulfil the operations according to Item 37,.
(c) DraL ing of fuel and Fuel-Ballast'Tanks-
L.. orm k of foci and I'll-ballast tanks it effected as'toll'!
a
'
i
tp4
lge pu
} cuter fuel tar+k_ - by, prreunlrztic tool.or by b
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("? fuel-ballast tanks - by high-pressure air, low-pressure air
g`lscs of Diesels) ile draining s o) or by bilge pumps the fuel via the compensating pipe line
tank
.
s, strictly- observe the instructions on
Jrrcy and initial stability according to which the draining of the fuel tanks
ctecl by groups:
group 1: fuel tanks Nos 1. 2, 3, 4, 8 and 9-
rnun 11; fuel tanks Nos 7 and 8.
:; ultaneous draining of tanks pertaining to different groups is not
iii, v ed, as an exception, is draining of one of the fuel tanks. In
r start draining a tank of another group only after filling the previ-
:i c.ned tank with water or fuel.
V file draining, proceed the operations with the tank fittings in
1~ Ath T..hle No.6 according to the tank to be drained.
',i,etrtni; t, e sampling and vent valves, open' respective cocks 82 on
t'ng pipe line.
Fuel tank Nol
Fuel tank No.2
Fuel tank No.3
Fuel tank No.4
Fuel tank No.5
Fuel tank No.6
Fuel tank No.7
Fuel tank No.8
Fuel tank No.9
Fuel-ballast tank No.2
Fuel-ballast tank No.4.
12 Fuel-ballast tank No.7
1.} Fuel-ballast tank No.8
14 ! Fuel-ballast tink'No 9"_r
ing ing by bilge
Nos of valves and sea cocks to be~
l!L opened on pipe lines
fuel com- ventilating
pensat- while drain- sampling
5
9
35
6.2
59
48
37
30
28,-
2
60
22"-
38
2s:
pump
75 79
87 (86)
127,125 124, (122)
151,149 77(78)
83.85 14 7,(.144)
90,91 139,(138)
96,97 130,(129)
121,120 108, (109 )
116.117 113,(112)
70,156,t5e.. 154, (15 i5 )
72,74 148,(149)
134,(35 83,(95)i
88,100,?::: ~, 131,(132)
118,119 ~ : `: 98.(100)
Note: The valves, given in (second shit-off valvtj)ah`oWd'be
periodically opened to check the cessatlon.of draining the tanks.
2;r
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Draining Fuel Tanks by Bilge PunIpf,
44. To drain inner fuel tanks i~os 16and 2, connect the drain pipen:line
hose to valve 7 and proceed with the operations according to Table Idd.45. To drain the outer fuel and fuel-ballast tanks, connect the drain
pipe line hoses to valves 33, 57, 63 (or to one of these valves), open them
and perform uperatic,ns in accordance with Table ti'a,C,
46. To drain any of the ta.nkr,, close the val es and the compensating
sea cocks of the undrained tanks and then proceed in accordance -r?tf:-i ti
maintenance instructions for the submarine draining system
47. After draining is over, close the valves or the compensating Sr
Draining of Outer and Inner Fuel
Tank No.2 by Air
48. To drain outer and inner fuel tank No.2 with air, open the coed}e
satin; sea cocks and valves in compliance with Table No.6 depending upon "
' "
tank to be dr8ined, remove the union nut-plug from hose connection 81 of the
fuel tank to be drained, connect T-piecc with a safety valve adjusted for a
pressure of 2.7 kgf /cm2, connect it via the hose with the cross-piece of the
pneumatic tool, open the hull vent valves of the respective tanks according'
to eagle No.6 and further proceed in compliance with the maintenance instr,
?ir;,,s , ii trio medium pressure p::pe line, the pressure by the cross-piece pr
,jr' Bgouge being maintained not more than 2.7 kgf/cm2.
48. Period,caliy open the sampling valves of the tanks in accordance
with Table No.6.
When the air appears frorn the pipe open ends of the sampling valve;
release the pressure in the pressure tank. After that,set all the fittings fc
the initial position'.
Draining of Fuel-Ballast Tanks by Air
50. In scavenging the fuel-ballast tanks by high-pressure ar;low pr?6
an with the
i
n co ~
ance with Table No,b and pi oc eed
tion for ballast tanks emergency scavenging pipe line with air under lsi .
1ne
e'
pressure pip
pressure and maintenance instructions for the low-
scavenging the tanks with air under, low pressure.
Draining of Fuel Caller ing_ ark
51 'The IUCI coiLOOL.:ci e lin$'
(a) water is drained by bilge pumps th ,-ough the drain PIP
stem;
drain sJ
h
taxi
e
r,s ibl~ and Reassembly
th:.o'L t,. r is no pressure. n tlie.pipe line section under; repair
"
r;.:..ra s+ -and dir;asseii ble the ` pipe connections by 'using.
two
IJ.I3LES AND REMEDIES
remedies a e given in Table No:7
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Nos Trouble
Rise of pressure in
compensating line
over 0.9 kgf /cr_72
while reducing vrlvc
is operating
Untightness of fit-
tings gland }sackings
Tightness of valves
is disturbed
Air-tightness of the
following connec-
tions is disturbed;
(a) flanged joints
f E
(b) pipe connections
punctured I
and control and measuring instruments for good condition.
58. Check to see that the pipe lines are tight and inspect the,fitti_gs
Da 1 lnspection
Cause '___Remedy
Ids ipi;ra m of z educ-I Replace diaphragm
ing tialve is broken and adjust valve
or valve is mal-
'tdjust,:-d
Loosening of nuts,
which tighten bush-
es; of gland packings
0r is, ear of parkings
Non-uniform ~tiear
or damage of bear-
ing surfaces of
disks or seats
Tighten up gland nuts
or replace packing
Reset valve discs
Loosening of nuts. Tighten up nuts. Re-
Thread of bolts, place nuts, bolts or
nuts or studs is i studs. Replace gasket
stripped. Gasket
is punctured
Union nut is loosen- Tighten up nut.
ed. Gasket is Replace gasket
F. PREVENTIVE AMAIN+TErNANCE AND REPAIRS
Make sure that the seals on the safety valves and, the pressure
Vaila ble ,
,-,nd the Ives positions are correct.
5 ). Turn all the valves and cocks. vtaate.sure unati utq
ta, f.,rm all the operations' relating to the daily; inspection
Weekly Inspection
an case there is a. leakage, tighten up the connections.
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60. Clem and lubricate the thread of valves, as to the v s_I ,
rotating With difficulty work them up.
61. Check the 6I-dm eeali.ugsof valves for good condition. f
necessary, tighten up or additionally pack the glands.
Donth],Z Inspection
(when the submarine is at base)
Perform all the operations relating to the weekly inspeectlor
and, besides, do the following.
62. Check the- condition of the pipe lines, flange connectitnffj
protectors. In came of 50-per cent wear, replace the protect-sr:
63. Disassemble the line valves, examine them and elirni-nato
detected faults.
Ins2622110n when llckingthe Submarine
65. Examine and clean the inner surface of the fuel tanks.
Test the tanks for tightness by air pressure :
(a) fuel tanks Nos 1, 2, 4, 5, 6, 7, 8 and 9 - by 1.5 kgf/=`,
2
(b) fuel tank No.3 -- by 5 kgt/cm.
1
(c) fuel-ballast tanks Noe 2, 4; 7, 8 and 9 - by 0,5kgfjcm2.
Air leakage is not allowed.
Clean and test fuel tanks Nos l and 2 for tightness while
replacing the storage, battery.
66. Overhaul, repair and test all the hull valves and sea
cocks for tightness.
Test the compensating system sections which communicate with
the overboard space for working pressure.
66a. Check safety valves for opening on test bed at least
c,nca every 1 1/2 year.
Yarocti or dtirj.ng_Ruxirxg Repairs of the
Su'b!arLr,e
~.
~+~, ~s1Fy F.3Pn~ .ffi~ye1+13 ,..-.,,
to
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 tir vi ul MA
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Next 1 Page(s) In Document Denied
Iq
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MOTOR-DRIVEN COM PRESSOR
WATER COOLING PIPE LINES
Description and Operating
Instructions
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Page
1. DESCRIPTION . . . . . . . . . . . . . . ..... ........ .... 3
A. Purpose and Basic Specifications . . . . . ... ........ 3
B. General Description and Description of Individual Units . 3
C'. Control Instruments . . . . . . . .. . . . .. . . . .. . . . .. . 5
II. MAINTENANCE INSTRUCTIONS . . ..... ........... .
A. General Supervision and Upkeep . . . . . . . . . .. . .. .. .
B. Preparatory Steps (for Putting to Sea) .. .. . . . . .. . . .
C. Starting, During-Operation Maintenance and $topping .. .
D. Maintenance during Protracted Shut-Down . . .. . . . .. .
F:. Trt contains 20 pages and 4 insets between pages 16 an-! I9.
are unclassified.
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1. DESCRIPTION
A. PURPOSE AND BASIC SPECIFICATIONS
The water pipe line is designed to supply water from outboard or
from trim tanks Nos 3 or 4 to cool the criotor-driven compressor.
C ool ins water is supplied by the pump mounted on the compressor,
in case of its failure, by the shaft line cooling pump.
The cooling line is worked in copper pipes 45x2 united by flanged
joints on paronite gaskets. The pipe line is tested for tightness with hy-
draulic pressure.
The amounts of the hydraulic pressure are shown in Fig.l.
B. GENERAL DESCRIPTION AND DESCRIPTION
OF INDIVIDUAL UNITS
The motor-driven compressor, type 3K1Q-I is installed in
No.VI compartment.
The motor-driven compressor is used to recharge the high-pres -
sure air banks when running on the sur?fac:e or while snorting as well as
to remove excess pressure from the :onipartments when running sub-
m e rged.
When running on the surface and while snorting the n otor-driven
compressor is cooled with sea water. Sea water in this case enters the
compressor through intake kingston valve 21, valves 18 and 4, strainer 5,
the pump of the compressor and cools the latter. From the compressor
water is drained through valve 17 and drain kingston valve 19. In case
the pump of the compressor gets defective, cooling water may be fed
through the emergenc' pipe line fruni the pump of the shaft line cooling
system through valves 2, 6 and reserve branch 7 and futheron is dischar-
ged through valve 17 aund drain kingston valve 19. When cooling water is
feed through the reserve pipe line from the pump of the shaft line cooling
s vsI'm, di:t~~tr~.rt~e t.if=?tv valve fi rs. employed to protect the motor-
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50X1-HUM
driven compressor from dt,rriage to rase pressure of water in the ms6rt
pipe line exceeds 2 kgf f sil,crn. The valve is mounted on the remerv.
PM!~
line and is designed to stop supply of water and simultaneowrllyto.?stop
rnotor-driven compressor in case pressure exceeds 2 kgf/eq.cm.
When running at a depth greater than the periscope depth, the Coo1-
ing water is fed to the compressor from trim tank No.3 or No.4 through
valves 10 or 11 respectively, valve 4 and strainer 5. Cooling water is dis-
charged from the compressor to the trim tanks through valve 8 or 9.
Intermediate pressure air may be fed to the cooling pipe line
through valve 22 to blow the intake pipe and intake kingston valve 21.
The specific fittings employed in the system are the automatic sa-
fety valve amid the sea water strainer.
(a) Automatic >;,.? Er,,r,r,rt and
protectors.
Ins ection during Running RerLir
58. Depending on the technical condition of the si: ut-caf valves,
overhaul and lap some of them.
59. Check the strainer for condition, replace the mesh and the pro-
tector, if necessary.
60. Test the assembled pipe lines for tightness under pressure'
stipulated in Fig.l.
For carrying out the tests proceed in accordance with the'
below .
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Pressure supply
1 3 Pipes from king i Valves 17, 18. - Through sockets
ston valves 19 and122 and kingston receiving protec-
21 as U- as shut- !valves 19 and 21 !tors
off valves 17, 18, are shut
No. i Ppe line to be Valve position
tested {
122
2 Pipes from val- Kingston valves) Through sockets
ves 17 and 18 as 19 and 21 and val-receiving pro-
far as valves 8, ves 8,9,10,11 are tectors
9, 10 and 11 shut. Valves 4
and 16 are open
3 Pipes from Valves 8 :?, 1t:, Together w?1th
trim tanks as 11 are shut tank
far as valves 9,
9,10, 11
4 Pipes frern Valy s dnd 3 l' ;r:> ;~' :.,aft
shaft line cool- are shut. Vaal- lane ru.'hr;;; I,1r.e
i-ng system as ve 2 is open 'toe
'far as autom.!-
tic safety val-
ve 6 and valve 3
5 Pipe from auto- ;wive 2 1s shut. Thr...gr. r?
matic safety val- )turf: cocr:s
? a
ve 6 as far as valve 3 arts
branch pipe 7 o, en
Pipes from 1n- Val,:
termediate ores- r