ACCEPTANCE TEST PROCEDURE FOR LIGHT TABLE MLT-1540

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B05171A000400030004-6
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 7
• Document Creation Date: December 28, 2016
• Document Release Date: June 6, 2005
• Sequence Number: 4
• Publication Date: October 30, 1970
• Content Type: REQ

USED ON
MLT- 1540
30 October 1970 _
REVISION
(See last sheet
for record)
This item has successfully performed to all of the requirements
as itemized and checked in the body of this procedure.
rS3: CIA-RDP78B0517700
SIFICATION
ACCEPTANCE TEST PROCEDURE FOR LIGHT TABLE MLT-1540
SERIAL NUMBER
i?Ci~,.21 ;-,%1;
TEST BY -
DATE /? A!/r
TIME /a3s
Declass review by NGA/DoD
Approved For Release 2005/0
Dote Sin,ture
TAT
AT
AT
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CLASSIFICATION
SHEET NO. 2
1.0 PURPOSE
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 commensurate 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 ofiDrawing ; Outline Drawing. Moving
parts such as covers, latches and gear mechanisms shall be checked to
assure proper fit and ope~er on without sticking or binding. Quality
of workmanship, proper materials and finishes, nameplate installation,
etc. shall be verified.
 STAT
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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.
{.11 IVVIO IIIL/s l,lll.. 111111 4,O,lIw S l,vul ?vv,.
(Max = 40" Min = 22")~, ?L
Note time to rewind completely, both rolls at
some time, in. opposite direction. (:2~ 3 minutes)
3.6 Check operation of manual hand elevation for
smoothness of operation.
3.7 Check film rollers for smoothness of operation
and surface.
3FI~.'
3.8 Check that the coating on bottom cover is in place and
smoothly applied.
3.9 Check that wheel locks oporate properly, both for
rotation and rolling.
J
1P - Mount two 1,000 ft rolls of 70mm film on table, dual
web configuration, emulsion up. C. ,ti~> i e2
b) Note tracking characteristics.
c) Note effect on stationary web when other moves and
stops rapidly. Check both webs. (No interreaction)
STAT
d) Measure min speed on front roll ohly.
(Smooth control from 0 to 1 inch
f 2J rte, ---- -
J1
3.11 Mount two 1,000 ft roofs of 70mm film on table, dual web r
configuration, emulsion down.
a Note tirln to rewind completely, both roofs at same1~1 , Efd
time, in opposite direction. 3 minutes) ,-- ~i
b) Note tracking characteristics.
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DOCUMENT NO.
c)- Note effect of stationary roll when other moves and
stops rapidly. Check both webs. (No iterreaction)
ILLEGIB
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. C:f5 3 r7/n.)
b) Operate take-up mechanism. Note max
capability. '(? 76 inches)
cc Scan slowly with loop take up. Note tracking
problems.
-Start and stop rapidly from full speed (no loop).
(No slack loops or excessive tension)
3.15
Operate tilt mechanism.
a)
Note that full tilt provides150+10 slope.
b)
Note that horizontal table is level +10
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)
b) . Check operation of adjustable stops, "x" direction.
Z
STAI
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CLASSIFICATION
cl Check that "Y" motion cover
d) Note max speed, x :direction
e) Note min speed, x direction.
f) Note.max speed, y direction
9)
Note min speed, y direction.
full depth of the formats.
1&~! .5 in/sec)
(FULL STOP) o:
.5 in/sec)
(FULL S7TOP)
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.
a) Note max speed, x direction. ' ( .5 in/sec)
b) Note min speed, x direction. ( FULL STO!?)
STAl
I
c) Note max speed, y direction.
-?' .5 i nsec)
d) Note min speed, y direction. (F LI STOP)
ILLEG
ILLEGI
f) Check operation of "fail-safe" system for Y-direction
movement.
3.18 Mount dial indicator on optics holder with weight of optics
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. (\Vithin .015 inches)
e "-;'
ILLEGI
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3.20 Check collimation of pod to both format surfaces. This must
be done with weight of Zoom 240R with 28 Rhomboids on
carriage.
a) Note collimation deviation, if any. (10 minutes max x & y)
3.21 Check illumination on left format surface.
a) Note time. Check that 30,:minutes
minimum have elapsed--since 3.4 a)._
b) Note max illumination at format center.
(> 3,000 ft lamberts)
Max illumination
Set right format to minimum.
c) Note deviation from previous max. ( 100 ft La-,64
Return right format to maximum.
Set illumination at left center to 3,000 fI.
d)
Note minimum illumination over entire
surface.
e) Note minimum illumination in
restricted area.
Set illumination at minimum.
f) Note reading at format center.
(-5 200 Ff LW1U7KrS)
Set right illumination at mini-num.
9)
Note deviation from previous
minimum. (S 100 ft La-6r-,43
Z(0Q
Entire surr'ace
27-0 a
Restricted Area
MIN JLLIIMINAT/OA)
Deviation
Return illumination, botth sides, to max.
TAJ
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CLASSIFICATION -
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.
jam
(? 3,000 ft Inc
Max illumination
Set left format to minimum.
c) Note deviation from previous
maximum. (!!!5 100 ft I&.'ker! )
Deviation
Return left to max.
Set illumination at center of format to 3,000 fl.
d) Note minimum illumination over entire surface.
_Z
e) Note minimum illumination in restricted
area.
Restricted area
Set illumination at minimum.
f) Note reading at format center. "."_.,1-D'C) - l
(t:-: 2,00 Fr ! Ah Rte) MIN 1LLUPIWAT/D;V
Set left illumination at minimum.
g) Note deviation from previous
minimum. (!5 100 ft lamberts)
6
STA
3.23 a) Note difference between 3.21 b) and 3.22 b).
(?x100 ft lamberts)
3.24 Observe light sources for evidence of flicker.
a) Set both at max. Report flicker, if-any.
b) Set both at minimum. Report flicker, if any.
3.25 Operate film masking system. Insure that lights
extin uish in rc^er order
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