ARMY TM 5-6675-238-14
MARINE CORPS TM 08839A-14/1
(g) Rotate lens assembly 90 degrees until lens
assembly index slot is at top. Push lens
assembly into DS2 to secure in place.
(h) Install seal (21).
d. Time Totalizing Meter M1. Remove and replace
time totalizing meter (35, figure 8-6, sheet 2) as follows:
(1) Removal.
(a) Loosen two screws (28), washers, (32), lock-
washers (33), and nuts (34) securing flange
(31) and meter to panel assembly (2).
(b) Loosen two flange screws (36) securing me-
ter (35) to flange (31); remove meter.
(2) Replacement.
(a) Install meter (35) into flange (31), tight
against back of panel assembly (2), and us-
ing two flange screws (36), secure flange to
meter,
(b) Center meter in panel assembly opening and
secure with two screws (28), washers (32),
lockwashers (33), and nuts (34).
e. Segmented Readout DS10. Remove and replace
segmented readout (15, figure 8-6, sheet 2) as follows:
(1) Removal.
(a)
(b)
Remove four nuts (18) and washers (17)
from back of segmented readout DS10 (15),
and disconnect connectors (16).
Remove four screws (13), eight washers (14),
four lockwashers (39), and four nuts (38);
remove segmented readout DS10.
(2) Replacement.
(a) Install segmented readout DS10 (15) on
panel assembly (2, figure 8-6, sheet 1) and
secure with four screws (13, figure 8-6, sheet
2) eight washers (14), four lockwashers (39),
and four nuts (38).
(b) Secure connectors (16) to back of seg-
mented readout DS10 with four nuts (18)
and washers (17).
8-18. Chassis Component Removal and Replacement.
Remove panel assembly (2, figure 8-6, sheet 1) as de-
scribed in paragraph 8-16a. After replacing applicable
component, replace panel assembly as described in
paragraph 8-16b. See figure 8-6, and remove and re-
place chassis mounted components as follows:
a.
Fan B1. Remove and replace fan (88, figure 8-6,
sheet 3) as follows:
(a) Tag wires and remove three screws (90) and
washers (89) securing terminal lugs (91) to
fan.
(b) Remove three screws (105), washers (104),
and clamps (103) securing fan (88) to chassis
(62, figure 8-6, sheet 1); remove fan.
(2) Replacement.
(a) Secure fan 88, figure 8-6, sheet 3) to chassis
(62, figure 8-6, sheet 1) with three washers
(104, figure 8-6, sheet 3), clamps (103), and
screws (105).
(b) Secure terminal lugs (91) to fan with three
screws (90) and washers (89).
b. SPU Front Subassembly. Remove and replace
SPU front subassembly (74,figure 8-6, sheet 3) as fol-
lows:
NOTE
SPU front subassembly must be released
in order to replace chassis components in
paragrpah d through g.
(1) Removal. Remove 14 screws (69) and washers
(68) securing SPU front subassembly (74) to
chassis (62). Move SPU front subassembly a
few inches away from its mounted position so
that a screwdriver can reach screws on its
back side,
(2) Replacement. After replacement of applicable
SPU front subassembly component (para-
graphs d through f below), reinstall SPU front
subassembly and secure with 14 washers (68)
and screws (69).
c. Relay K1. Remove and replace relay K1 (78,
figure 8-6, sheet 3) as follows:
(1) Removal
(a) Tag and unsolder wires from relay K1 (78).
(b) Remove two screws (75), washers (77), and
lockwashers (76), (without removing spacers
(79)), securing relay K1 to SPU front subas-
sembly (74); remove relay K1.
(2) Replacement.
(a) Secure relay K1 (78) to SPU front subassem-
bly (74) with two lockwashers (76), washers
(77), and screws (75).
(b) Solder wires to relay K1 (78).
d. lnverter PS5. Remove and replace inverter PS5,
(82, figure 8-6, sheet 3) as follows:
(1) Removal.
(a) Tag and unsolder wires from inverter PS5
(82).
(1) Removal.
8-88
