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TM 5-2420-222-34
8-4.
TRANSMISSION COUNTERSHAFT AND BEARING SUPPORT MAINTENANCE
(Con’t).
4.
With the aid of an assistant, install countershaft (8) with assembled bearing support (6), retaining ring (17), thrust
washer bearing (18), low range bevel gear (19), sleeve (11), thrust washer bearing (10), collar (9), two plugs (27),
springs (26), and spacer rings (25) in transmission (12), needle bearing (15), and drive gear (13). Collar gear
teeth must aline with thrust washer bearings (18 and 10).
5.
Position bearing support (6) with assembled parts in place in transmission (12). Tap bearing support until seated
on sleeve bushings (14) and transmission.
6.
Turn thrust washer bearing (18) until splines aline with countershaft (8), then slide thrust washer bearing on
countershaft.
7.
Using retaining ring pliers, install retaining ring (17) in groove of countershaft (8).
8.
Install two screws (23), screws (4), two new special washers (5), and clamp (24) in bearing support (6) and
transmission (12). Bend locking tabs of clam against heads of screws (23.
FOLLOW-ON TASKS:
•
Install gear shifters and shifter shafts (see paragraph 8-10).
8-24
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