Install guide

downward until the bottom wedges be-
come loose.
4. Remove filter circuit card assembly A4
(68) from chassis (22).
(b) Replacement.
1.
2.
3.
4.
5.
6.
Insert filter circuit card assembly A4 (68)
into slot in chassis (22) and carefully
guide it into place.
Just before the connectors mate, check
that the filter circuit card assembly A4
(68) is free in its guides and its top edge is
parallel to the chassis (22) top surface.
Seat filter circuit card assembly A4 (68)
by applying moderate, even pressure at
both comers. If card does not readily seat,
pull the card out and inspect for bent or
broken connector pins.
Ti hten four screws (64) in wedgelocks
(65) until wedges are tight against edge of
slots.
Reinstall two terminal lugs (55 and 57) to
filter circuit card assembly A4 (68) with
screws (56 and 58).
Secure bottom cover (45) and gasket (46)
to chassis (22) with 25 captive screws (43)
and washers (44). Torque screws to 9
inch-pounds using procedures described
in paragraph 3-11.
-
(5) Sequence monitor card assembly AS. Remove
and replace sequence monitor circuit card assembly A5
(61, figure 4-19, sheet 3) as follows:
(a) Removal.
1. Loosen 25 captive screws (43) and wash-
ers (44) securing bottom cover (45) and
gasket (46) to chassis (22); remove cover
and gasket.
2. Loosen two jackscrews (69) securing con-
nector A5P2 (70) to sequence monitor
circuit card assembly A5 (61) connector;
disconnect connectors.
3. Loosen four screws (60) securing wedge-
locks (59) until sequence monitor circuit
card assembly A5 (61) is free.
NOTE
It may be necessary to loosen the wedges
if they become frozen. This can be done
by simply tapping the wedge screws
downward until the bottom wedges be-
come loose.
4. Remove sequence monitor circuit card
assembly AS (61) from chassis (22).
ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
(b) Replacement.
1.
2.
3.
4.
5.
6.
Insert sequence monitor circuit card as-
sembly A5 (61) into slot in chassis (22)
and carefully guide it into place.
Just before the connectors mate, check
that se uence monitor circuit card assem-
bly A5 61) is free in its guides and its top
edge is parallel to the chassis (22) top
surface.
Seat sequence monitor circuit card assem-
bly A5 (61) by applying moderate, even
pressure at both corners. If card does not
readily seat, pull the card out and inspect
for bent or broken connector pins.
Ti hten four screws (60) in wedgelocks
(59) until wedges are tight against edge of
slots.
Mate connector A5P2 (70) with sequence
monitor circuit card assembly A5 (61)
connector and secure with two jackscrews
(69).
Secure bottom cover (45) and gasket (46)
to chassis (22) with 25 captive screws (43)
and washers (44). Torque screws to 9
inch-pounds using procedures described
in paragraph 3-11.
(6) Power inverter assembly A6. Remove and re-
place power inverter assembly A6 (26, figure 4-19, sheet
2) as follows:
(a) Removal.
NOTE
Tag all wires before removal,
1.
2.
3.
4.
5.
Loosen 19 captive screws (1, figure 4-19,
sheet 1) and washers (2) securing side
cover (3) and gasket (4) to chassis (22,
figure 4-19, sheet 2); remove cover and
gasket.
Loosen two jackscrews (42) securing con-
nector A6P1 (41) to power inverter as-
sembly A6 (26) connector; disconnect
connectors.
Remove screw (31) and lockwasher (30)
securing terminal lugs (28 and 29) to
power inverter assembly A6 (26); remove
terminal lugs.
Remove screws (33) securing terminal lug
(32) to power inverter assembly A6 (26);
remove terminal lug.
Remove screw (35) securing terminal lug
(34) to power inverter assembly A6 (26);
remove terminal lug.
4-161