4-7. TRACTION MOTOR BLOWER (cont)
Remove three bolts (7), lockwashers (8), and pulley (9).
Loosen two allen-head setscrews (10) and remove lockring (11), spacer (12), and key (13).
Remove two bolts (14), lockwashers (15), nuts (16), and front pillow block (17).
Remove eight bolts (18) and front cover (19).
Remove shaft and fan assembly (20) from housing (21).
Remove bearings (22) and (23).
CLEANING, INSPECTION, AND REPAIR
* 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 and medical aid immediately. If contact with eyes is made, wash your eyes and get medical
* 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 metal parts. Dry with compressed air.
Inspect fan, pulley, and shaft for cracks, breaks, or scoring. Replace damaged parts.
Check bearings for free rotation. Replace damaged bearings.