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 TM 55-1905-223-24-3
(1)
Install the headless pin (18) into the shaft (4).
(2)
Install the gear (8) onto the shaft (4) as follows:
(a) Use a press to push the gear onto the shaft.
(b) Push the gear onto the shaft until the gear is against the shoulder on the shaft.
(3)
Apply a coat of lubricating oil to the thrust washer (7) and bushing (16) in the housing.
CAUTION
On accessory drive units the grooved side of the washer is installed away from
housing. The steel backing against the cast iron housing will keep the thrust
washers from turning. Incorrect installation of these washers will result in
excessive wear and increased end play, which causes early failure of the
accessory drive assembly.
(4)
Place the thrust washer (7) in position.
(5)
Install the gear (8) and shaft (4) through the thrust washer (7) and into the bushing in the housing.
(6)
Turn the assembly over so that the gear on the shaft is down.
(7)
Make sure that thrust washer (7) stays in position.
(8)
Apply a coat of lubricating oil to the rear thrust washer (3). Install the thrust washer.
(9)
Install washer (19).
(10) Install the coupling (2). Use a press to push the coupling onto the shaft.
NOTE
Do not damage the threads on the shaft.
(11) Install the washer (20) and capscrew (1).
(12) Tighten the capscrew to 30 to 35 ft-lb (41 to 47 N ) torque.
m
b. Assemble pulley (14, Figure 3-31).
(1)
Support the pulley (14) in an arbor press.
(2)
Place the wear sleeve (10) on the pulley seal wear surface with the chamfer on the outside
diameter of the wear sleeve (10) facing up (away from the pulley).
3-72
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