TM 9-2320-260-34-2
16-8. REAR WINCH REPAIR (Contd)
NOTE
Apply light film of gear oil to all parts during assembly. Do not
lubricate brake band or brakedrum.
Place wormshaft (6) in gearcase (4) with round shear pin hole to right.
1.
2.
Apply light coat of GAA grease to thrust washer (2) and place over long end of shaft (7) with key of
thrust washer (2) away from worm gear (8).
Place long end of shaft (7) through bushing (3) in gearcase (4) and slide shaft (7) and worm gear (8)
3.
into gearcase (4).
Aline key of thrust washer (2) with notch (5) in gearcase (4) and seat thrust washer (2) and worm
4.
gear (8) in gearcase (4).
Place gearcase (4) on its side and move wormshaft (6) so that wormshaft end (12) is up and through
5.
bore (10). Using arbor press, install bearing (11) over wormshaft end (12) and seat against shoulder
of wormshaft (6).
Aline wormshaft (6) and worm gear (8) and press bearing (11) into bore (10) of gearcase (4).
6.
7.
Turn gearcase (4) over so that wormshaft end (14) is up through bore (13). Using arbor press, install
bearing (9) over wormshaft end (14) and into bore (13) and seat against shoulder of worm shaft (6).
Apply light coat of GAA grease to thrust washer (1) and place thrust washer (1) over short end of
8.
shaft (7) with key pointing away from worm gear (8).
Position cover (17) over shaft (7) and aline key of thrust washer (1) with notch in cover (17). Push
9.
cover (17) all the way on shaft (7).
10.
Measure gap between cover (17) and gearcase (4) mating surface. Gap should be 0.005-0.015 in.
(0.13-0.38 mm).
a. If gap is less than 0.005 in. (0. 13 mm), remove worm gear (8) and shaft (7) from gearcase (4).
Press worm gear (8) further on shaft (7).
b. If gap is greater than 0.015 in. (0.38 mm), remove worm gear (8) and shaft (7) from gearcase (4).
Press worm gear (8) toward short end of shaft (7).
NOTE
Use one gasket for each 0.005 in. (O. 13 mm) of gap measured in
step 10.
11.
Place new gaskets (18) and cover (17) over shaft (7), checking that key of thrust washer (1)
and notch in cover (17) are alined, and install on gearcase (4) with two screws (19), six new
lockwashers (16), and screws (15).
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