TM 5-4220-233-14
5-5. HUB AND DRUM ASSEMBLY
This Task Covers:
a. Repair and Rework
Tools/Test Equipment:
Materials/Parts (Appendix D):
Indicator, Dial
Wiping Rag (Item 13)
Lathe, Brake
Cleaning Solvent (Item 15)
Micrometer, Inside, with Extension
Equipment Conditions:
Shop Set, Automotive
Remove Hub and Drum Assembly
Tool Kit, General Mechanics
(paragraph 4-42)
a.
Repair/Rework.
Figure 5-3. Repair Hub and Drum Assembly.
(1) Inspect drum braking surface for cracks, heat checking, and scouring. If necessary reface brake
drum as prescribed in steps 5 and 6.
(2) Inspect drum braking surface for out-of-round condition at 45 degree intervals if run out exceeds
0.006 in. (0 15mm) reface brake drum as prescribed in steps 5 and 6.
5-5
