3-26. GROUND RELAY (cont)
CLEANING, INSPECTION, AND REPAIR
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
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 dry-cleaning solvent and clean metal parts. Dry with compressed air.
Inspect molded parts for warpage, breaks, and cracks. Replace damaged parts.
Inspect cover assembly (7) for loose or corroded terminals. Replace damaged cover assembly.
Use a multimeter and measure coil resistance on operator portion of coil and contact assembly (11). If
resistance is not 0.86 ohms ( 10%), replace coil.
Use a multimeter and measure coil resistance on unlatching portion of coil and contact assembly (11). If
resistance is not 250 ohms ( 10%0), replace coil.
Install insulator (10) and coil and contact assembly (11) on base (12). Install screws (9).
Connect wires to inside terminals of cover assembly (7).
Install cover assembly (7) on spacer (8).
Install assembled base (12) on spacer (8).
Install screws (6) and (5).