TM  10-3930-638-24&P 2-32.   HORN   AND   BACK-UP   ALARM   MAINTENANCE   (cont) c.  Back-up  Alarm  (cont). STEP LOCATION ITEM ACTION REMARKS CLEANING WARNING Dry cleaning solvent (P-D-680), used to clean parts 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 and don’t smoke when using it. Failure to do so could cause serious injury. If you become dizzy while using cleaning  solvent,  get  fresh  air  immediately,  and  get  medical attention. If contact with skin or clothes is made, flush with large amounts of water. If contact with eyes is made, wash eyes with water  immediately,  and  obtain  medical  aid  immediately. WARNING Wear  safety  glasses  when  drying  parts  with  compressed  air. Failure to do so could cause serious injury to eyes and possible blindness. If you hurt your eyes or if a foreign object is blown into  your  eyes,  seek  medical  attention  immediately. 2 All  hardware Clean Use  cleaning  solvent  P-D-680. Dry thoroughly with compressed air 3 Wire connectors and Clean Use cleaning solvent P-D-680 on alarm terminals terminals  and  connectors  only INSPECTION 4 Hardware Inspect Replace if worn, or if threads damaged 5 Harness  wire  and  ground Inspect Replace if insulation frayed, or if wire (8) conductors broken INSTALLATION 6 Top left rear of a. Back-up alarm (7) Position On  mounting  bracket vehicle b. Wire (8), two cap Install  and Until alarm (7) and ground wire (8) are screws (6), lock tighten securely  mounted washers (5) and nuts (4) c. Two wire leads (3) Position On alarm terminals, Note tags for correct connection d. Two lock washers (2) Install  and Until leads (3) are securely mounted and nuts (1) tighten 2-180

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