3-64. TRACTION MOTOR ASSEMBLY (cont)
CLEANING, INSPECTION, AND REPAIR (cont)
Clean, inspect, and repair bearing assemblies (34), (61), (62), and (69) 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 - 50°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 remove grease from bearings, bearing cap (29), clamping plate (33), seal collar
(36), end plate (37), and bearing housing (32). Dry with compressed air.
Inspect parts for wear, cracks, and breaks.
Inspect rollers for cracks and pits.
Inspect parts for discoloration indicating overheating.
Replace parts that are damaged.
Do not paint gasket surfaces.
Paint bearing housings with electrical insulating varnish.
Replace gasket (30).