3-24. POWER CONTACTOR (cont)
Remove screw (56), lock-
washer (57), pole plate
(58), magnet coil (59),
and spring washer (60)
from magnet bracket (61).
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 you eyes and get medical aid
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.
Remove rings, bracelets, wristwatches, and neck chains before working around the locomotive. Jewelry
can catch on equipment and cause injury, or may short across an electrical circuit and cause severe burns
or electrical shock.
Do not file or attempt to clean stationary contacts (41) or movable contact (54). Silver alloy surfaces on
contacts may become blackened, pitted, or eroded. These conditions will not hamper the operation of the
Use dry-cleaning solvent and clean metal parts. Dry with compressed air.