TM 9-2330-359-14&P
4-44. HUB, WHEEL BEARING, AND BRAKEDRUM MAINTENANCE (Con’t).
8.
9.
10.
WARNING
Dry cleaning solvent, P-D-680, Is toxic and flammable. Always wear protective goggles
and gloves, and use only in a well-ventilated area. Avoid contact with skin, eyes, and
clothes, and DO NOT breathe vapors. DO NOT use near open flame or excessive heat.
The solvent’s flash point is 100°F-138°F (38°C-59°C). If you become dizzy while
using cleaning solvent, immediately get fresh air and medical help. If solvent contacts
eyes, immediately wash your eyes and get medical aid.
NOTE
If outer and inner wheel bearing cones need replacing, wheel bearing cups must also
be replaced.
Clean and inspect outer and inner wheel bearing cones (14 and 20) in accordance with TM 9-214. Discard if
damaged.
Inspect outer and inner wheel bearing cups (15 and 19) and ring (21) for damage or excessive wear.
NOTE
Perform step 10 only if outer and inner wheel bearing cups erring is excessively worn or
damaged, or If wheel bearing cones are being replaced.
Tap out and remove outer bearing cup (15), inner wheel bearing cup (19), and ring (21).
b.
ASSEMBLY
1.
If removed, tap outer and inner wheel bearing cups (15 and 19) in wheel (11).
NOTE
Instructions on packing outer and inner wheel bearing cones can be found in TM 9-214.
Ensure that all seal remains are removed from axle spindIe before performing step 2.
2.
Pack inner wheel bearing cone (20) with grease, position in wheel (11), and install ring (21), if removed.
3.
Position brakedrum (17) and wheel (11) on axle (12) and install five bolts (18) and nuts (16).
4.
Pack outer wheel bearing cone (14) with grease and position on axle spindle (10).
TA508047
4-82
