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