3-62. TRACTION MOTOR ASSEMBLY (cont)
CLEANING, INSPECTION, AND REPAIR (cont)
d. Inspect inside bore of pinion gear. Surface must be smooth. Use a fine grade of sandpaper and polish surface.
e. Replace pinion gear if damaged beyond repair. 31. Clean, inspect, and repair bearing assembly 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 (38-59C). 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.
a. Use drycleaning solvent and remove grease from bearings, outer bearing caps, outer bearing stops, oil slingers,
and bearing cartridges. Dry with compressed air.
b. Inspect parts for wear, cracks, or breaks.
c. Inspect rollers for cracks or pits.
d. Inspect parts for discoloration indicating overheating.
e. Replace parts that are damaged.
Do not paint machined surfaces.
f. Paint bearing housings with red insulating vanish.