ACCEPTANCE TEST PROCEDURE FOR LIGHT TABLE MLT-1540

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B05171A000400030005-5
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 7
• Document Creation Date: December 28, 2016
• Document Release Date: June 6, 2005
• Sequence Number: 5
• Publication Date: October 30, 1970
• Content Type: REQ

Approved For Release 20q
DOCUMENT NO.
5/6/23: CIA-RDP78BO517 004 0030005-5
-. CLASSIFICATION
USED ON
MLT-1540
30 October 1970 AT
REVISION
(See last sheet
for record)
//fly'y&
STAT
SERIAL MUM ERc
TEST BY
DATES
TIME /3
This item has successfully performed to all of the reaui'rements
as itemized and checked in the body of this procedure.
.Date Signature
STAT PREPARED BY DATE IAPPROVED BY
Declass review by NGA/DoD
 STAT
STAY
STAT
Approved For Release 20 5/06/23: CIA-RDP78BO517040 8 T5NO.
CLASSIFICATION -
The purpose of the Acceptance Test Procedure is to verify that the Modular
Light Table, MLT-1540, meets its functional and performance requirements.
2.0 EQUIPMENT REQUIRED
2.1 MLT-1540 complete per Drawing No.
2.2 Test film as follows:
9.5 inch wide, 4 mil base, 1,000 foot roll
6.6 inch film, 1,000 foot, 2 rolls
5 inch film, 1,000 foot, 2 rolls
70mm film, 1,000 foot, 2 rolls
2.3 Empty take-up spools
(This should be commensurcte with the number of films required
as listed above.)
2.4 Vibration target
2.5 . Stop watch
2.6 GFE foot lambert meter (Weston Model 759)
3.0 ACCEPTANCE TEST
Completion and verification of each of the following items shall be noted by
.the inspector's stamp or initials in the space provided.
3. 1 Mechanical and visual inspection
The MLT shall be carefully examined to determine conformance to the
requirements of =Drawing ; Outline Drawing. Moving
pares such as covers, latches and gear mechanisms shall be checked to
assure proper fit and operation without sticking or binding. Quality
of workmanship, proper materials and finishes, nameplate installation,
etc. shall be verified.
Approved For Release 2005/06/23 : CIA-RDP78BO5171A000400030005-5
 Approved For Release 2 05,06/23 : CIA-RDP78B051719004
CLASSIFICATION
3.2 Mark off table surfaces with china markers to show
restricted area.using the plastic template provided.
3.3 Connect table to regulated 117 VAC, 25 amp power source.
3.4 , Turn lights on to max intensity, both sides.
a) Record time turned on.
-3.5 Operate the elevating mechanism.
a) Note max and min distance from floor.
(Max = 40" Min = 22")
3.6 Check operation of manual hand elevation for
smoothness of operation.
3.7 Check film rollers for smoothness of operation
and surface.
3.8 Check that the coating on bottom cover is in place and
smoothly applied.
3.9 Check that wheel locks operate properly, both for
rotation and rolling.
3. 1P Mount two 1,000 ft rolls of 70mm film on table, dual
web configuration, emulsion up. .
a) Note time to rewind completely, both rolls at
some time, in opposite direction. (:5~ 3 minutes)
b) Note tracking characteristics.
c) Note effect on stationary web when other moves and
stops rapidly. Check both webs. (No interreaction)
STAT
d) Measure mini speed on front roll ohly. S
(Smooth control from 0 to 1 inch/ min,) .f-9 M,cs
3.11 Mount two 1,000 ft roots of 70mm film on table, dual web
configuration, emulsion down.
a) Note time to rewind completely, both roots at same
time,; inopposite direction. (-!!5 3 minutes)
Note tracking characteristics.
Nv /90
sz
 517U
Approved For Release 20 5/06/23 : CIA-RDP78BO517p04
CLASSIFICATION
c) Note ,effect of staff ionary roll when other moves and
stops rapidly. 'heck both webs. (No iterreaction)
ILLE(IB
3.13 Mount two rolls 5" film (1,000 ft) on table, split vertical
mode, emulstion up and emulsion down.
a) Operate to insure split vertical capability.
3.14 Mount 1,000 ft roll 9 1/2" film, emulsion up.
a) Note time to completely rewind. (:f-=- 3 rmm .)
b) Operate take-up mechanism. Note max
capability. '(? 76 inches)
c- Scan slowly with loop take up. Note tracking
problems.
d) Start and stop rapidly from full speed (no Ioop).
(No slack loops or excessive tension)
3.15 Operate tilt mechanism.
a) Note that full tilt provides 15??1? slope.
b) Note that horizontal table is level +1?.
3.16 Operate carriage motion system with table horizontal, and
weight of optics on carriage.
Set friction locks.
a) Note force required to move carriage with locks set.
(? 10 Ibs) )Poe.o ara/ Woet ~~ /? ~~ .
Release friction locks.
b) Check operation of adjustable stops, "x" direction.
STAII
V
V
 Approved For Release 2 05/06/23: CIA-RDP78B051710 004d
CLASSIFICATION
OU~UU~~~TIVO.
c) Check that "Y" motion cover full depth of the formats,
d) Note max speed, x-.4irection..5 in/sec)
e) l'.!ote n%;- speed, x direction. (FULL -STOP)
f) toe rrncx speed, y direction .5 in/sec)
g) Note min speed, y direction. (FULL STOP)
h) jo)
i) Note force required to move carriage with motors
disengaged x and y direction. ( 4 lbs both axis)
3. 17 Operate carriage motion system with table tilted, and
weight of optics on carriage. /S?~
a) Note max speed, x direction. .5 in/sec)
b) Note min speed, x direction. ( FULL S%TO }
c) Note max speed, y direction. (> .5 injsec)
d) Note min speed, y direction. FIJI-I: .50P) e)
YID > ii,e e,
f) Check operation of "fail-safe" system for Y-direction
movement.
3. 18 Mount dial 'indicator on optics'holder with weight of opfics
attached.
a) Note smoothness of operation from action of indicator.
as the microscope is raised and lowered throughout
its range.
3.19.. Check parallelism of optics carriage to format surfaces with
. dial indicator. -
a) Note maximum deviation. (Within .015 inches)
N
Z
WO/
/
V
Approved For Release 200510612.1 ? (IA-RnP7RRn5171 A000400030005-5
 Approved For Release 2 /06/23: CIA-RDP78B0517,00 'o1 -'
-CLASSIFICATION
SHEET NO. 6
ILLE4IB
TAT
3.20 Check collimation of pod to both format surfaces. This must
be done with weight of Zoom 240R with 28 Rhomboids on
carriage.
3.21
a)
Note collimation deviation, if any. (10 minutes max
Check illumination on left format surface.
a) Note time. Check that 30 minutes
(? 3,000 ft lamberts)
I
b) Note, max illumination at format center.
Max illumination
x & y)
Set right format to minimum.
c) Note deviation from previous max. (S 100 ft L z1bE )
Return right format to maximum.
Set illumination at left center to 3,000 fl.
d) Note minimum illumination over entire
e) Note minimum illumination in
restricted area.
Set illumination at minimum.
Note reading at format center.
(:!5 200 F1 Ln1l rS)
Set right illumination at minimum.
g)
Note deviation from previous
minimum. ('C 100 ft LAbt'
Return illumination, both sides, to max.
Enti ace
;0 i
Restricted Are
MIN 1LLU(iiNATION .
~/l.~lilslit~ .
minimum have elapsed since 3.4 a)..
 Approved For Release 20P5/06/23: CIA-RDP78B0517MP004j?A3' M-5c?
3.22 Check illumination on right format surface.
a) Note time. Check that 30 minutes minimum have elapsed
since 3.4 a).
b) Note maximum illumination at format center.
3,000 ft Aqt ac
Max illumination
Set left format to minimum.
c) Note deviation from previous
maximum. (!!!~ 100 ft
Return left to max.
Deviation
Set illumination at center of format to 3,000 fl.
d) Note minimum illumination over entire surface.
?p 'V
Entire surface
Note
area.
minimum illumination in
Set illumination at minimum.
f) Note reading at format center.
(--5 ZOO Fr cA+~iFars)
Set left illumination at minimum.
ht1N !LLU1 ,NTTT1ON
g)
Note deviation from previous
minimum. (5 100 ft lamberts)
3.23
a)
Deviation
Note difference between'3.21 b) and 3.22 b).
(5,100 ft lamberts)
3.24-
Observe light sources for evidence of flicker.
a)
b)
Set both at max. Report flicker, if any.
Set both at minimum. Report flicker, if any.
STAT
3.25
Operate film masking system. Insure that lights
h
d
extinguis
in proper or
er.
OpprnvPd For For RPIPaSg 2005/06/23 ? CIA-RDP78B05171A000400030005-5