3-27. WHEEL SLIP RELAY(Cont)
All movable fingers are removed the same way. Only one contact finger is shown.
7. Remove spring retainer (30), wire spring (31), and
movable contact finger (32) from armature (11).
CLEANING, INSPECTION, AND REPAIR WARNING
· 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
If you become dizzy, get fresh air and medical aid immediately. 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.
Do not file or attempt to clean contacts. Silver alloy surfaces on contacts may become blackened,
pitted, or eroded. These conditions will not hamper the operation of the contactor.
Use dry-cleaning solvent and clean metal parts. Dr
y with compressed air.
Inspect molded parts for warpage, breaks, and cracks.
Use a multimeter and measure resistance of operating coil (20). If resistance is not 1.03 ohms (
Repair consists of replacement of damaged parts.