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TM 5-4210-220-34
2-21.
FRONT AXLE - Continued
2-21.2
Differential Carrier - Continued
(3)
Disengage shift fork (56) from sliding clutch (25) and remove sliding clutch and shift fork in this order.
(4)
Punch mark both bearing caps (4 and 19) and corresponding pedestal bearing caps as reference for
assembly. If ring gear and pinion are to be reused, punch mark position of bearing adjustors (8 and 23).
(5)
On teeth side of ring gear, cut lock wire (1) and remove bearing capscrews (2) and lockwashers (3). Remove
bearing cap (4), cotter pin (5), and lock (6). Unscrew/remove adjustor (23).
(6)
Repeat procedure in step 5 for second bearing cap.
(7)
Remove bearing cups (9 and 22). With a chain hoist, lift ring gear and differential assembly (7) out of carrier
(52).
WARNING
Prevent personal injury when removing gear support cover (24). This cover is under spring
pressure and may pop off when removing the last screw and nut.
(8)
To protect ring gear against damage, place differential and ring gear assembly on a soft board. Remove two
locknuts (10) and capscrews (13), 180 deg. apart.
(9)
In place of capscrews (13) removed, install two 5/8 16 UNF auxiliary capscrews 1.5 in. (40 mm) longer than
the capscrews removed, and secure with plain nuts. The longer capscrews are necessary to provide smooth
removal of support cover when remaining capscrews (13) are removed.
(10) Remove remaining capscrews (13) and nuts (10). Alternately unscrew auxiliary capscrews and nuts to ease
spring tension. Remove support cover (11).
(11) Remove springs (26), pressure plate and clutch pack (28 and 30). Keep clutch pack in original order.
(12) Inspect clutch pack friction plates. If deeply scored, burned or excessively worn, replace the clutch pack.
(13) With the differential lock clutch removed, ring gear (12) can be removed. If gear binds on support cover (24),
use a soft mallet to tap it free.
(14) Punch mark differential case (20) and support case (24) to enable reassembly of components in original
position.
(15) Remove capscrews (21), differential case (20), thrust washer (14), and outer side gear (15).
2-290
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