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Page Title:
Section III. PRELIMINARY OPERATIONS |
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  TB 11-6625-2937-35
Section III.
PRELIMINARY OPERATIONS
(3) Connect equipment as shown in figure 4.
6.
Familiarization
Be familiar with the entire procedure before
NOTE
performing calibration of the control-interface
unit.
Do not connect test equipment until
instructed to do so.
7.
Preliminary Procedures
(4) Energize all test equipment.
a. Removal.
(1)
Remove top and bottom access covers of
(5) Using multimeter, verify input voltage of 196 10
the control-interface unit (fig. 3).
V ac phase-to-phase.
(2)
Remove inner cover to gain access to
the circuit cards of the control-interface unit.
Legend for figure 3.
(3)
Position the control-interface unit in a clean
work area, for convenient access to both front and rear
1.
Quarter-turn fastener (36 places)
of unit.
2.
Top access cover
b. Test Connections.
3.
Bottom access cover
(1)
Set the control-interface unit controls as
4.
Inner cover
follows prior to performing calibration.
5.
Filter assembly AIFL1
Control
Setting
6.
Screw, 6-32 x 0.500; No. 6 washer (42 places)
POWER ON,'OFF
OFF
7.
Power supply AlPSI
MODE SELECT
POWER OFF
8.
Screw lock assembly (4 places)
(2) Set the digital tester controls as follows
9.
Receptacle connector P110.
Receptacle
prior to performing calibration.
connector P2
Control
Setting
11. Circuit card assembly rack 1A2
POWER
Down (off)
12. Nut, 10-32; No. 10 lockwasher; No. 10 flat washer
UUT POWER
Down (off)
(12 places)
Display
PASS/FAIL
13.
Power supply AlPS2
TEST RATE PER SEC 2M
14. Power supply ALPS3
NUMBER OF TESTS
20M
15. Electrical equipment housing lAl
PROBE THRESHOLD 2V
16. Screw, 8-32 x 5,''8; No. 8 washer (20 places)
9
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