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SIGNAL DATA CONVERTER POWER SUPPLY REPLACEMENT (AVIM) – continued | Up
TM-1-1520-238-23-5 Helicopter Attack AH-64A Apache (NSN 1520-01-106-9519) (EIC: RHA) Manual | Next
SIGNAL DATA CONVERTER TRAY REMOVAL/INSTALLATION |
TM 1-1520-238-23
Change 3 8-55
8.20.
SIGNAL DATA CONVERTER POWER SUPPLY REPLACEMENT (AVIM) – continued
(4) Install six screws (9) through chassis (3) into
power supply (7).
(5) Torque six screws (9) to 80 INCH-OUNCES.
Use torque wrench and screwdriver bit.
b. Install cover (5) on chassis (3). Torque 10
screws (6) to 37 INCH-OUNCES.
(1) Aline cover (5) with screw holes on chassis
(3).
(2) Install 10 screws (6) through cover (5) into
chassis (3).
(3) Torque 10 screws (6) to 37 INCH-OUNCES.
Use torque wrench and screwdriver bit.
c. Install cover (1) on chassis (3). Torque 13
screws (4) to 37 INCH-OUNCES.
(1) Position shims (2), as required, on chassis
(3).
(2) Aline cover (1) with screw holes on chassis
(3).
(3) Apply primer and sealing compound on
threads of 13 screws (14). Use sealing
compound primer (item 146, App F) and
sealing compound (item 168, App F).
(4) Install 13 screws (4) through cover (1) into
chassis (3).
(5) Torque 13 screws (4) to 37 INCH-OUNCES.
Use torque wrench and screwdriver bit.
d. Inspect (QA).
e. Perform appropriate test. Use Electronic Equip-
ment Test Facility (EETF) (TM 11-6625-3085-30).
END OF TASK
M04-3410-4
3
9
7
M04-3410-5
6
5
4
1
2
3
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