TM 9-2330-246-14
4-69. HUB, WHEEL BEARINGS, AND BRAKEDRUM MAINTENANCE (Con't).
3.
Visually inspect for excessive scoring. Replace if defective.
4.
Inspect all parts for damage. Replace all damaged parts.
d.
ASSEMBLY
1.
If removed, tap two bearing cups (15 and 16), with large end up, into position in hub (14). Ensure that cup is fully
seated against shoulder in hub.
2.
Install adapter (21) on hub (14) with six bolts (20).
3.
Position brakedrum (13) on adapter (21) and install ten bolts (22), access cover (1 9), ten new Iockwashers (18),
and nuts (17).
e.
INSTALLATION
1.
If removed, install new wiper ring (1 O) on axle (9).
2.
Install new seal (11) on axle (9).
NOTE
Instructions on packing outer and inner roller bearings (8 and 12) can be found in
TM 9-214.
Pack inner roller bearing (12) with grease and install on axle (9), next to seal (11), with large end toward seal,
3.
4.
Install hub (14) and brakedrum (13) assembly on axle (9) using care not to damage seal (1 1).
Pack outer roller bearing (8) with grease. Position on axle (9) and loosely install inner adjusting nut (7).
5.
6.
Tighten inner adjusting nut (7) while turning hub (14) and brakedrum (13) assembly until hub binds on axle (9),
then back off inner adjusting nut 1/8 turn.
TA700269
4-169
