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 TM 9-2320-302-20-2
FRONT HUB, DRUM, WHEEL BEARINGS, AND SEAL REPLACEMENT
(M916A3, M917A2) - CONTINUED
0208 00
DISASSEMBLY
1.
Remove pressure relief screw (1), spring and pawl assembly (4,5) from slack adjuster (2).
NOTE
Perform step 2 to obtain enough clearance between brake drum and brakeshoes to remove brake drum.
2.
Rotate adjusting nut (3) counterclockwise.
1
2
4,5
3
3.
Rotate brakedrum (26) until drain plug (25) of planet gear carrier assembly (23) is at 6 o'clock position.
4.
Remove drain plug (25) and allow oil to drain. Loosely install drain plug.
5.
Remove two drum centering screws (27) holding brake drum (26) to planet gear carrier assembly (23).
6.
Remove brake drum (26).
7.
Remove three screws (24) from planet gear carrier assembly (23).
8.
Using three puller screws, insert screws into planet gear carrier assembly (23). Evenly tighten screws to remove planet
gear carrier assembly from wheel hub (17).
9.
Remove o-ring (21) from wheel hub (17). Discard O-ring.
10.
Remove thrust button (28), snap ring (29) and sun gear (30) from spindle (6). Discard snap ring.
11.
Bend tab(s) of lockwasher (32) to unlock spindle nut (31).
12.
Using spanner tool #5229, remove spindle nut (31) and lockwasher (32). Discard lockwasher.
13.
While holding wheel hub (17) assembly upward, remove ring gear carrier assembly (33).
14.
Using drift tool, remove taper roller bearing (21) from ring gear carrier (33).
15.
Remove retaining ring (20), guide ring (19), and oil seal (18).
16.
Slide protector tool #5260 over spindle (6).
17.
Remove wheel hub (17) and protector tool from spindle (6).
18.
Remove ABS tone ring (16) from wheel hub (17) by gently tapping around circumference of tone ring.
19.
Using puller tool, remove CTIS seal (10), oil seal (11) and taper roller bearing (12).
20.
Remove retaining ring (13), guide ring (14) and oil seal (15).
21.
Clean spindle (6) and mark position of brake assembly (8) on wheel spindle.
22.
Remove 16 screws (9) and brake assembly (8) from spindle (6).
0208 00-2
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