TM 9-2330-251-14&P
4-37. HUB, WHEEL BEARING, AND BRAKEDRUM MAINTENANCE (M416A1) (Con't).
2.
Clean and inspect bearings and bearing cups in accordance with TM 9-214.
3.
Replace any damaged part.
1.
Tap 5 shoulder bolts (12) into brakedrum (11),
2.
Install inner and outer bearing cups (3 and 5) squarely into brakedrum (11).
Pack inner bearing (2) with grease and install in brakedrum (11).
3.
4.
Install new oil seal (1).
1.
Install brakedrum (11) on spindle (13).
2.
Pack outer bearing (6) with grease and install in brakedrum (11).
Install keywasher (7) and slotted nut (8) on spindle (13). Do not tighten slotted nut.
3.
NOTE
Inner and outer bearings (2 and 6) are adjusted properly when there is almost no
noticeable movement between brakedrum (11) and top edge of brake backing plate
when brakedrum rocks on spindle (13) and turns freely.
While rotating brakedrum (11), tighten slotted nut (8) until a slight drag is felt.
1.
2.
Rotate brakedrum (11) 1 full turn.
TA503945
4-64
