TM 9-4120-407-14
4-8. MOTOR CONTROLLER ASSEMBLY REPLACEMENT. (Cont)
( h ) Remove two screws (22), lock washers (23), and flat washers (24). Discard lock washers.
(i) Remove motor controller (25).
(2) EMI Suppressors (FC1 through FC4) Removal.
(a) Remove tiedown strap (26). Discard tiedown strap.
(b) Open case (27) and remove two core halves (28).
(c) Remove two tape strips (29). Discard tape strips.
(3) Air Duct Hose Removal.
NOTE
Two clamps secure air duct hose in place. Removal instruction are
typical for each clamp.
( a ) Remove two screws (30), lock washers (31), flat washers (32), and clamps (33). Discard lock
washers.
(b) Remove air duct hose (34).
(c) Remove screw (35), lock washer (36), flat washer (37), and collar (38). Discard lock washers.
(d) Remove four screws (39), lock washers (40), flat washers (41), and duct (42). Discard lock
washers.
(4)
Duct Removal.
(a) Remove four screws (39), lock washers (40), and flat washers (41). Discard lock washers.
(b) Remove eight screws (43), lock washers (44), flat washers (45), and duct (46). Discard lock
washers.
(5)
Enclosure Removal.
( a ) Remove motor controller per step (1) above and duct per step (4) above.
(b) Remove seven screws (47), lock washers (48), flat washers (49), and enclosure (50). Discard
lock washers.
b. Installation.
(1) Enclosure Installation. Install enclosure (50), seven screws (47), new lock washers (48) and flat
washer: (49).
(2) Duct Installation.
(a) Install enclosure per step (1) above.
(b) Install duct (46), eight screws (43), new lock washers (44), and flat washers (45).
(c) Install four screws (39), new lock washers (40), and flat washers (41).
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