TM 9-2330-324-14&P
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BRAKEDRUM, WHEEL HUB, AND WHEEL
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BEARING MAINTENANCE—Continued
DISASSEMBLY—Continued
1.
Remove six nuts (11) and bolts (21) and remove adapter plate (18) and brakedrum (12) from hub
(10).
2.
Remove 18 nuts (14), flatwashers (13), bolts (17), and adapter plate (18) from brakedrum (12).
N O T E
Perform step 3 only if bearing cups (9) are being replaced. Bearing cups
should always be replaced when outer and inner wheel bearing cones ( 8
and 20) are replaced.
3.
Tap two bearing cups (9) out of hub (10).
4.
If damaged, remove six wheel bolts (22) from hub (10).
ASSEMBLY
N O T E
Right and left brakedrums/wheel hubs/wheel bearings are assembled,
installed, and adjusted the same way. This procedure covers one side.
1.
If removed, install six wheel bolts (22) in hub (10).
2.
If removed, tap two bearing cups (9) into hub (10).
3.
Position adapter plate (18) on brakedrum (12), and install 18 bolts (17), flatwashers (13), and nuts
(14).
4.
Position adapter plate (18) and brakedrum (12) on hub (10) and install six bolts (21) and nuts (11).
N O T E
• Refer to TM 9-214 for instructions for packing outer and inner wheel
bearing cones (8 and 20).
• When installing spacer sleeve (16), ensure that flange faces inside o f
trailer.
5.
Pack inner wheel bearing cone (20) with grease. Install inner wheel bearing cone, new oil seal (19),
and spacer sleeve (16) on hub (10).
INSTALLATION
1.
Install hub (10) and brakedrum (12) on axle (15).
2.
Pack outer wheel bearing cone (8) with grease. Install outer wheel bearing cone and inner adjusting
nut (7) on hub (10) and axle (15).
WHEEL BEARING ADJUSTMENT
1.
Tighten inner adjusting nut (7) while turning hub (10) and brakedrum (12) until drag is felt.
