TM 5-3805-254-20-2
FRONT HUB AND BRAKEDRUM ASSEMBLY AND WHEEL BEARINGS - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
INSPECTION/REPLACEMENT
NOTE
For more information on how to inspect parts, go to General Maintenance Instructions, (page 2-424).
Replace all damaged or defective parts.
A blue color on metal parts indicates a dry overheated condition.
17
Inner bearing (1)
a
Look for chipped, pitted, scored,
and outer bearing (2)
blued, or loose rollers (3).
b
Look for cracked or worn roller
cage (4).
c
Look for scored, cracked, or blued inner
race (5).
18
Front hub (6)
Inner bearing cup
a
Look for cracks, pits, scores, or
(7) and outer
blueing.
bearing cup (8)
Replace if damaged, steps 26 thru 29.
b
Check for looseness in front hub.
If loose, replace front hub, steps 22
thru 25.
19
Front hub (6) and
a
Look for cracks across face or near
brakedrum (9)
bearing cups (7 and 8).
b
Look for stripped, bent, or broken hub
studs (10).
Replace if damaged, steps 22 thru 25.
c
Look for damaged grease capscrew
holes (11).
d
Look for cracks, heat spots, pitting deep
grooves, or out-of-round in brakedrum.
Replace if damaged, steps 22 thru 25.
If minor grooves or pitting is
found, notify higher category of
maintenance.
20
Grease cap (12)
Look for cracks, chips, burrs, or broken
level window (13).
2-1180
