TM 5-4930-244-14
4-60. HUB AND DRUM - REPLACE/REPAIR.
This Task Covers:
a.
Removal
b.
Disassembly
c.
Repair
d.
Assembly
e.
Installation
Initial Setup:
Tools Required
Tool Kit, General Mechanic's: Automotive (Appendix B, Section III, Item 1).
Tool Kit, Common Number 1 (Appendix B, Item 2).
Jack stands (Appendix B, Section III, Item 2).
Jack (Appendix B, Section III, Item 7)
Materials/Parts Required
Rags, wiping (Appendix E, Section II, Item 1)
Brake Fluid (Appendix E, Section II, Item 2).
Dry Cleaning Solvent (Appendix E, Section II, Item 3).
GAA Grease (Appendix E, Section II, Item 15).
Oil Proof Paper
Equipment Condition
Unit shut down and cool.
Unit parked on dry, level ground.
Trailer connected to towing vehicle.
Personnel Required
2
WARNING
·
Chock wheels when unit is not on a level surface. Unit could roll and cause
injury.
·
Use extreme caution when jacking up the trailer. It could fall causing serious
injury or death.
a.
Removal. (Refer to Figure 4-60).
(1)
Loosen, but do not remove eight lug nuts (1) holding wheel assembly (2) onto drum (3).
(2)
Lift trailer assembly (4) with a jack until wheel assembly (2) is approximately one inch above the ground Position
jack stand under axle assembly (5). Raise jack stand up until it is securely against axle assembly (5).
(3)
Lower jack until axle assembly (5) is supported by jack stand.
(4)
Remove jack from under trailer assembly (4).
(5)
Remove eight lug nuts (1) from wheel assembly (2).
(6)
Remove wheel assembly (2) from drum (3). Inspect lug studs (6) on drum (3) for damage.
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