TM 5-3895-377-13&P
4-56.
HUB AND DRUM ASSEMBLY REPLACEMENT (CONT).
(7)
If damaged, remove studs (12) from
hub and drum assembly (2).
b.
Cleaning/Inspection.
Drycleaning solvent P-D-680 is toxic and flammable. Wear protective goggles, face mask, and
gloves and use only in a well-ventilated area. Avoid contact with skin, eyes, and clothes and
don't breathe vapor. Do not use near open flame or excessive heat. The flash point for type I
drycleaning solvent is 100°F (38'C) and for type II is 140°F (60'C). If you become dizzy while
using cleaning solvent, get fresh air immediately and get medical aid. If contact with eyes is
made, flush eyes with water and get medical aid immediately.
DO NOT use diesel fuel, gasoline, or benzene (benzol) for cleaning.
DO NOT SMOKE when using cleaning solvent. NEVER USE IT NEAR AN OPEN FLAME. Be sure
there is a fire extinguisher nearby and use cleaning solvent only in well-ventilated places.
USE CAUTION when using cleaning solvents. Cleaning solvents evaporate quickly and can
irritate exposed skin if solvents contact skin. In cold weather, contact of exposed skin with
cleaning solvents can cause frostbite.
(1)
Clean all parts, except bearings with drycleaning solvent and brush. Dry with rags.
(2)
Turn bearings slowly and inspect bearings for discoloration, pitting, rust, and rough operation.
(3)
Inspect outer race for flat spots, pitting, discoloration, and rust.
(4)
Inspect oil seal for nicks and tears.
(5)
Inspect hub and studs for thread bareness, warpage, and metal fatigue.
4-142
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