TM 55-2210-223-34
TO 45A2-2-14-22
3-22. BATTERY FIELD AND SHUNT FIELD 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 contacts (34) and (36). Silver alloy surfaces on contacts may become
blackened, pitted, or eroded. Always replace contacts.
12.
Use dry-cleaning solvent and clean metal parts. Dry with compressed air.
13.
Inspect molded parts for warpage, breaks, and cracks. Replace damaged parts.
14.
Inspect contacts (34) and (36). If alloy material is worn through to base metal, replace contacts.
15.
Inspect coil (12) for damaged insulation. Replace damaged coil.
16.
Use a multimeter and measure resistance of coil (12). If resistance is not between 445 and 545 ohms, replace
coil.
17.
Inspect chute (4) for cracks and breaks. Replace damaged chute.
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