3-64. TRACTION MOTOR ASSEMBLY (cont)
CLEANING, INSPECTION, AND REPAIR
Clean, inspect, and repair hypoid gear (64) by the following:
· Drycleaning solvent P-D-680 is toxic and flammable. Wear protective goggles and gloves and
use only in a well-ventilated area. Avoid contact with skin, eyes, and clothes and don't breathe
vapors. Do not use near open flame or excessive heat. The flash point is 100 - 138°F (38 -
59°C). If you become dizzy, get fresh air immediately and get medical aid. If contact with eyes
is made, wash your eyes and get medical aid immediately.
· Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Do not direct
compressed air against skin. Use goggles or full face shield.
Use drycleaning solvent and clean hypoid gear (64). Dry with compressed air.
Magnaflux hypoid gear (64) and inspect for cracks. No cracks allowed.
Visually inspect hypoid gear (64) for broken, chipped, and pitted teeth. Maximum damage is 5% of total
working surface of teeth.
Inspect outside bore of hypoid gear (64). Surface must be smooth. Use a fine grade of sandpaper and polish
Replace hypoid gear (64) if damaged beyond repair.