TM 55-2210-223-34
TO 45A2-2-14-22
3-23. STARTING CONTACTOR (cont)
CLEANING, INSPECTION, AND REPAIR
WARNING
Dry-cleaning 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 (38-59C). 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.
NOTE
Do not file or attempt to clean movable contacts (25) and stationary contacts (26). Silver alloy surfaces on
contacts may become blackened, pitted, or eroded. These conditions will not hamper the operation of the
contactor.
16.
Use dry-cleaning solvent and clean parts. Dry with compressed air.
17.
Inspect molded parts for warpage, breaks, and cracks. Replace damaged parts.
18.
Inspect two movable contacts (25) and four stationary contacts (26). If alloy material is worn through to base
metal, replace contacts.
19.
Inspect coil (33) for damaged insulation. Replace damaged coil.
20.
Use a multimeter and measure resistance of coil (33). If resistance is not 23.3 ohms ( 10%), replace coil.
21.
Inspect for damaged and loose terminals.
22.
Repair consists of replacing defective parts.
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