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 TM 55-1905-223-24-18-2
a. Remove screw (3, Figure 3-179) and junction box cover (2) from junction box (1).
b. Tag and disconnect electrical wiring at terminal block.
c. Remove self-locking nuts (8), capscrews (7), and washers (6) from window frame.
CAUTION
To prevent equipment damage.
Care must be taken while
handling window.
d. Carefully remove rotary window assembly (9) from bulkhead opening.
e. Clean off old sealant adhesive (5) and sealing tape (4) from around bulkhead opening and window
frame.
DISASSEMBLY
CAUTION
To prevent equipment damage.
Care must be taken while
handling window.
a. Disassemble rotary window assembly as follows:
NOTE
To remove rotating glass, hold glass firmly while turning the
rotating cap counterclockwise.
(1) Remove rotating cap (13, Figure 3-180).
(2) Carefully remove rotating glass (12).
(3) Remove frame retaining bezel ring (6).
(4) Carefully remove fixed glass (7) with motor (10) attached.
(5) Remove bezel ring (8) and motor (10) from fixed glass (7).
(6) Remove cable feed tube (14) from motor (10).
(7) Remove screws (11), junction box (5), and retaining ring (4).
(8) Remove frame ring (2) from fixed window assembly.
(9) Remove gasket (3) from around frame ring (2).
(10) Remove defroster/heater (1) from frame ring (2).
(11) Remove back plate of motor (10).
(12) Inspect brushes (9) and replace as necessary.
3-615
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