Install guide

5.
6.
A7C3 (14) attached to one of the terminal
lugs, and shouldered washer (11).
Mate connector A6P1 (41) with power
inverter assembly A6 (26) connector and
secure with two jackscrews (42).
Secure side cover (3) and gasket (4) to
chassis (22) with 19 captive screws (1) and
washers (2). Torque screws to 9 inch-
pounds using procedures described in par-
agraph 3-11.
(8) Interconnect and output jilter wiring harness.
.
The interconnect and output filter wiring harness con-
sists of interconnection assembly A8 (129, figure 4-20,
sheet 6), output filter circuit card assembly A9 (130),
connectors (135, 138, and 143), and relay (146). Remove
and replace interconnect and output filter wiring har-
ness as follows:
(a) Removal.
1.
2.
3.
4.
5.
6.
7.
8.
9.
Loosen 25 captive screws (43, figure 4-19,
sheet 3) and washers (44) securing bottom
cover (45) and gasket (46) to chassis (22);
remove cover and gasket.
Remove + 17V converter-regulator cir-
cuit card assembly Al (52) in accordance
with paragraphs
4-19b(l)(a)2 thru
4-19b(l)(a)4.
Remove + 20V converter-regulator cir-
cuit card assembly A2 (50) in accordance
with
paragaphs 4-19b(2)(a)2 thru
4-19b(2)(a)4.
Remove 28V converter-regulator circuit
card assembly A3 (63) in accordance with
paragraph 4-19b(3)(a)2 thru 4-19b(3)(a)5.
Remove filter circuit card assembly A4
(68) in accordance with paragraphs
4-19b(4)(a)2 thru 4-19b(4)(a)4.
Remove sequence monitor circuit card
assembly A5 (61) in accordance with par-
agraph 4-19b(5)(a)2 and 4-19b(5)(a)4.
Remove nut (145, figure 4-20, sheet 6)
securing ring (144) and connector 3J3
(143) to chassis (8); remove connector and
ring.
Remove three screws (131) and washers
(132) securing output filter circuit card
assembly A9 (130) to chassis (8).
Remove two nuts (133), two washers
(134), two O-rings (142), and two screws
(14 1) securin output filter circuit card
assembly A9 (130) to chassis (8). Carefully
lift card away from chassis to gain access
to nuts (137 and 140).
10.
11.
12.
13.
14.
ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Remove nut (140) securing rin (139) and
connector 3J1 (138) to chassis 8); remove
ring and connector.
Remove nut (137) securing rin (136) and
connector 3J5 (135) to chassis 8); remove
ring and connector.
Remove three screws (148), washers (149),
and spacers (150) securing relay K3 (146)
to chassis (8); remove relay.
Release wire harness from interconnec-
tion assembly A8 (129).
Remove six screws (127) and washers
(128) securing interconnection assembly
A8 (129) to chassis (8). Carefully remove
interconnect and output filter wiring har-
ness.
(b) Replacement.
1. Carefully install interconnect and output
filter wiring harness on chassis (8) and
route connectors and relay to their re-
spective mounting positions on the chas-
sis.
2, Secure relay K3 (146) to chassis (8) with
three screws (148); washers (149), and
spacers (150).
3. Secure interconnection assembly A8 (129)
to chassis (8) with six screws (127) and
washers (128).
NOTE
After installation of connectors 3J5, 3J1,
and 3J3, the resistance between chassis
and connector must not exceed 0.005
ohm.
4. Secure connector 3J5 (135) and ring (136)
with nut (137).
5. Secure connector 3J1 (18) and ring (139)
with nut (140).
6. Secure connector 3J3 (143) and ring (144)
with nut (145).
7. Attach wire harness to interconnection
assembly A8 (129).
8. Secure output filter circuit card assembly
A9 (130) to chassis (8) with three screws
(131), three washers (132), two screws
(141), two washers (134), two O-rngs
(142), and two nuts (133).
9. Install + 17V converter-regulator circuit
card assembly Al (52, figure 4-19, sheet 3)
in
accordance with
paragraphs
4-19b(l)(b)l thru 4-19b(1)(b)5.
4-163