TM 9-2320-361-34
16-4. REAR WINCH REPAIR (M764) (Contd)
b. Worm Housing Disassembly
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
Remove two screws (24), lockwashers (25), washer (26), gasket (27), and pin
(19)
from worm
brake (28). Discard gasket (27) and lockwashers (25).
Loosen four nuts (7) from four adjusting screws (1).
Remove four adjusting screws (1), plate (6), two thimbles (30), and springs
(31)
from cage
housing (9).
Remove four cotter pins (5), nuts (7), plate (6), four thimbles (4), springs (3), and washers (2) from
four adjusting screws (1). Discard cotter pins (5).
Remove brake plate (23), brake lining (22), brake plate (21), brake lining (20), and
worm brake (28)
from two studs (18) and cage housing (9).
Loosen two nuts (17) and remove two studs (18) from cage housing (9).
Remove four screws (29), lockwashers (8), cage housing (9), and gasket (12) from worm housing (11).
Discard lockwashers (8) and gasket (12).
Remove safety wire
(13)
from four screws (14). Discard safety wire (13).
Remove four screws
(14),
plate (10), bearing (15), and seal (16) from cage housing (9). Discard
seal (16).
Remove cotter pins (43) and (46) and pin (44) from sprocket (48). Discard cotter pins (43)
and (46).
Remove retaining ring (45) and sprocket (48) from sleeve (49).
Remove screw (41), lockwasher (42), sleeve (49), woodruff key (35), shim set (50), and spacer (52)
from worm gear (34). Discard lockwasher (42) and woodruff key (35).
Remove safety wire (56) from two screws (57). Discard safety wire (56).
Remove two screws (57), retainer (58), gasket (59), sleeve (38), and gasket (37) from worm
housing (11). Discard gaskets (59) and (37).
Remove four screws (51), lockwashers (53), plate (54), and seal (55) from retainer (58). Discard
lockwashers (53) and seal (55).
Remove worm gear (34) from worm housing (11).
Remove pin (62), brake stop (32), and stud (33) from worm gear (34). Discard pin (62).
Remove bearing (39), shims (40), and bearing (60) from retainer (38).
Remove grease fitting (47) from sprocket (48).
Remove plug (61) and two plugs (36) from worm housing (11).
16-32