3-62. TRACTION MOTOR ASSEMBLY (cont)
23. Remove six bolts (48) and lockwashers (49) and remove bearing cap (50) and gasket (51) from commutator end.
Remove two setscrews (52) and retainer ring (53).
Remove bearing and race assembly (54), oil slinger (55), and bearing housing (56).
Remove inner race (57).
Remove bolt (58), lockwasher (59), and flat washer (60), and disconnect electrical lead (61).
28. Remove four bolts (62) and lockwashers (63) and remove four brush holders (64) and blocks (65).
29. Loosen eight screws (66) and remove brushes (67).
CLEANING, INSPECTION, AND REPAIR
30. Clean, inspect, and repair pinion 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 (38-59°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.
a. Use drycleaning solvent and clean pinion gear. Dry with compressed air.
b. Magnaflux pinion gear and inspect for cracks. No cracks allowed.
c. Visually inspect pinion gear for broken, chipped, spalled, or pitted teeth. Maximum allowable pitting and
spallation is 20% of total working surface of teeth.