PREVENTIVE MAINTENANCE SCHEDULE(Sanitized) PRECISION ENLARGER NO. 1-023-E-001

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B04770A000400030102-3
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 10
• Document Creation Date: December 28, 2016
• Document Release Date: January 4, 2005
• Sequence Number: 102
• Publication Date: February 23, 1968
• Content Type: REQ

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PREVENTIVE MAINTENANCE SCHEDULE
PRECISION ENLARGER
No. 1-023-E-001
STAT
e
Declass Review by NGA.
January 1968
Changed 23 February 1968
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Page No. Issue
Title Page 23 Feb 68
i Original
1 through 7 23 Feb 68
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1
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TABLE OF CONTENTS
Page
INTRODUCTION
1
PREVENTIVE MAINTENANCE SCHEDULE - DAILY INTERVAL
2
PREVENTIVE MAINTENANCE SCHEDULE - ONE-WEEK INTERVAL
4
PREVENTIVE MAINTENANCE SCHEDULE - ONE-MONTH INTERVAL
5
PREVENTIVE MAINTENANCE SCHEDULE - SIX-MONTH INTERVAL
4
PREVENTIVE MAINTENANCE SCHEDULE CHECK LIST
7
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INTRODUCTION
This Preventive Maintenance Schedule has been prepared as a guide to
a maintenance program which, if followed, will contribute to maximum per-
formance and service from the equipment.
The daily, the weekly, the one-month and the six-month maintenance
schedules provide the operator with procedures to systematically inspect
the machine at proper intervals.
The daily, the weekly, the one-month and the six-month check list
should be filled in as the corresponding inspections are performed. This
list will provide a permanent record of the operation.
The day-to-day requirements for cleaning the Precision Enlarger STAT
as well as instructions for putting the machine into operation and leaving
it in the proper configuration after a day of operation are detailed in the
manual, Operating Instructions for th~Precision Enlarger (No. 1-023- STAT
E-001). It is important that these instructions be closely followed.
Adherence to the schedule will contribute to good quality and help
prevent the possibility of costly shutdowns due to unexpected equipment
failure. Any section of this Maintenance Schedule may be reproduced
locally to conform to particular requirements.
_1_ Changed 2/68
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PREVENTIVE MAINTENANCE SCHEDULE
Daily Interval
II RECISION ENLARGER
1
tAT
Item
Description
Ref.*
Indicator Lamps on Sub-Control Panel: With the primary power cord of the
4.2.3
enlarger plugged in and with the MAIN switch ON, depress the LAMPHOUSE
TEMP, the FOCUS COND., the LOCK EASEL, and the LOCK LENS dimmer caps.
If any of the four fails to light when depressed, replace the lamp
housed in the dimmer cap.
2
Electrical Interlocks and Microswitch
2.1
Be sure the interlock which prevents negative motion after the negative
4.2.5
gate has been closed is working properly.
2.2
Check operation of the interlock which causes the vertical transport
system to operate at a slow speed (regardless of the SLOW-FAST dial
setting) until the transport system has passed the fluid removal
system. This interlock is activated only if the LIQUID PUMPS pushbutton
has been depressed.
2.3
Be sure the interlock, which disables the negative ?,.ansport after fluid
4.2.5
injection, is working properly.
2.4
Ascertain that a microswitch actuates when the manual film movement knob
4.2.5
mounted in the left spindle support frame is pushed in. Actuation of
this switch causes the brakes of the transport spindle assemblies to
release even if the interlock mentioned in 3.3 is active, enabling film
to be moved horizontally with the hand knob, provided that the negative
gate is opened.
3
Easel Photometer
3.1
Indicator Lamps for Two Attenuator Banks: With the enlarger cord plugged
4.3.8.1
in and with the ON-OFF switch of the photometer meter box ON, check the
indicator lamps for the right and left attenuator banks. Do this by
setting the ATTENUATORS selector dial at LEFT (the left light should
energize) and then setting the dial at RIGHT (the right light should
energize). If necessary, replace the indicator lamp(s). **
information can be found in the manual - Operating Instructions
Disconnect main power plug of enlarger before removing photometer cover.
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STAT
1
PREVENTIVE MAINTENANCE SCHEDULE
Daily Interval (Cont'd).
PRECISION ENLARGER
Item Description
Ref. *
3.2 Scale Illuminator Lamp: With the main power cord plugged in, with the
4.3.8.1
ON-OFF switch on the photometer meter box turned ON, and with the enlarger
projection lamp energized, check to see if the scale of the meter box
becomes illuminated when the PHOTOMETER pushbutton on the sub-control
panel is depressed. If the scale does not become illuminated, replace
the lamp. **
3.3 Antifatigue Lamp in Photomultiplier Tube Housing: Check to see if this
4.3.9.3
light is energized when no light from the projection lamp of the enlarger
and
is falling on the probe.
4.3.8.2
4 Negative Film Gate: Clean the two glass plates of the negative gate with
a lens cleaner and wipe with lens tissue.
More complete information can be found in the manual - Operating Instructions
for the lI Precision Enlarger (No. 1-032-E-001).
Disconnect main power plug of enlarger before removing photometer cover.
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PREVENTIVE MAINTENANCE SCHEDULE
One-Week Interval
IAT
Item
Description
Ref.
1
General: Vacuum-clean the enlarger completely. If the machine is used
4.2.1
on a 24-hour basis, clean twice a week. Any surface that cannot be
vacuumed should be wiped clean with a dry, lint-free cloth.
2
Objective Lenses and Filters: Inspect and, if necessary, clean the
objective lenses and all glass filters with a solution of mild detergent
and wipe with lens tissue. The lenses and filters not in use on the
enlarger should be placed in the storage cabinets.
CAUTION: Do not attempt to disassemble the projection lens
assembly to clean unexposed optical surfaces. Tiny
dust particles which may attach themselves to these
inner surfaces are in most cases harmless and their
removal involves considerable work under very clean
conditions by qualified personnel.
3
Easel: Carefully vacuum-clean the front face of the vacuum easel.
The easel exhauster should be off and an attachment which will not
abrade the easel finish should be used on the vacuum cleaner.
Thorough weekly cleaning of this surface will in most cases prevent
deterioration of easel holding power caused by dust plugging its
holes. If the holes do become plugged, they should be cleaned out.
After vacuum-cleaning, any residual soil on the easel face should be
washed off carefully with a soft cloth and a mild detergent solution
(e.g., Ivory).
4
Easel Photometer: Check the fiber optics bundles for broken fibers
4.3.8.4
by looking into the end of the illuminated bundle and observing any
dark specks.
* More com lete information can be found in the manual - Operating Instructions
for thelIPrecision Enlarger (No. 1-032-E-001).
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STAT
tAT
t AT
PREVENTIVE MAINTENANCE SCHEDULE
One-Month Interval
PRECISION ENLARGER
Item
Description
Ref.
1
General: Clean the steel rails of both the objective lens ramp and of
4.2.1.3
the easel with Simoniz paste wax. When dry and buffed, the wax will
form a hardened coat on the rails.
2
Air Filter in Lamphouse: Remove filter from its holder at rear of lamp-
4.2.4
house and if dirty install a new filter. Do not use filters which have
been impregnated with oil or other dirt retaining substances.
3
Brushes of Fluid Removal System: Remove these two brushes from the
4.2.6
slotted rods in which they are secured, wash them in a mild detergent,
comb them out, and re-install them in the rods.
4
Tubing
4.1
Check the 7-inch diameter tubing (Cat. No. FT-167-28)** which connects
the easel exhauster and the easel of the enlarger for cracks and air
leakage. Replace this tubing if necessary.
4.2
Check the 3-inch diameter tubing (Cat. No. FT-167-12)** which leads to
the bottom of the lamphouse and the 3-inch diameter tubing (Cat. No.
FT-167-12)** leading from the immersion fluid removal system for cracks
and air leakage. Replace the tubing if necessary.
4.3
Check the 4-inch diameter fluid vent hose (Part No. 2-023-A-524)***
which connects the blower mounted at the bottom rear of the enlarger
with the outdoor exhaust system.
5
Condenser Lens Assembly: Inspect and, if necessary, clean the lenses
with a solution of water only. The lenses not in use on the enlarger
should be placed in the storage cabinets.
CAUTION: Incorporated in the condenser assemblies for this enlarger
are aspheric lens elements. These aspheric elements are
methacrylate plastic and highly polished. Extreme care is
absolutely necessary when cleaning these lenses. They
should be swabbed, never scrubbed, and carefully dried with
minimum rubbing using a very clean, lint-free cloth. In no
case, should any solvent other than clean water be used to
clean them.
More complete information can be found in the manual - Operating Instructions
for the I Precision Enlarger (No. 1-032-E-001).
-5-
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STAT
1
I
PREVENTIVE MAINTENANCE SCHEDULE
Six-Month Interval
RECISION ENLARGER
Item
Description
Ref.*
1
General
1.1
Make a photographic check on all six lens sets using the resolution
targets supplied with the enlarger.
4.3.4
1.2
Check the alignment of the negative transport system to
the film tracks properly in both directions.
be sure that
4.3.5
2
Timing Belts
2.1
Check the two timing belts of the film transport system
or wear; replace, if necessary.
for fraying
4.3.6.1
2.2
Check the two timing belts of the vertical drive system
or wear; replace, if necessary.
for fraying
4.3.6.2
2.3
Check the four timing belts of the easel-drive assembly
or wear; replace, if necessary.
for fraying
4.3.6.3
information can be found in the manual - Operating Instructions
'
Precision Enlarger (No. 1-032-E-001).
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kAT
s
I
PREVENTIVE MAINTENANCE SCHEDULE CHECK LIST
Item
Description
Item
Description
Daily Interval
1 Check the four indicator lamps on the
sub-control panel.
2.1 Check closed-negative-gate interlock.
2.2 Check interlock that causes vertical
transport slow speed.
2.3 Check interlock that disables negative
transport after fluid injection.
2.4 Check operation of microswitch that
functions when manual-film-movement
knob is pushed in.
3.1 Check the indicator lamps for the
two attenuator banks of the easel
photometer.
3.2 Check the meter scale illuminator
lamp of the easel photometer.
3.3 Check the antifatigue lamp in photo-
multiplier tube housing.
4 Clean the glass plates of the negative
gate.
I Vacuum-clean the enlarger.
2 Check, and if necessary, clean the
objective lenses and all glass filters.
3 Vacuum-clean the front surface of the
easel.
4 Check the fiber optics for broken
fibers.
1
Wax the steel rails of the lens
ramp
and of the easel.
2
Install new air filter in lamphouse.
3
Clean the nylon brushes of the
fluid
removal system.
4
Check all tubing and hoses for
cracks
and air leakage.
5
Check and, if necessary, clean
the
lenses of the condenser lens
assemblies.
1.1 Make a photographic check on all six
matching sets of objective and
condenser lens assemblies.
1.2 Be sure that film is tracking properly
in both directions on the negative
transport system.
2 Check the timing belts of the film
transport system, of the vertical
drive system, and of the easel drive
assembly for wear.
Checked by, _ Date
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