TM 5-3805-262-2012-1. SIGNALING DEVICES MAINTENANCE (CONT)a. Back-up Alarm and Switch (cont).CLEANINGDry cleaning solvent P-D-680 used to clean parts is toxic and flammable.W e a r p r o t e c t i v e g o g g l e s a n d g l o v e s and use only in a well ventilateda r e a . A v o i d c o n t a c t w i t h s k i n , e y e s a n d c l o t h e s a n d d o n ’ t b r e a t hevapors .Do not use near open flame or excessive heat and don’t smokewhen using it. Failure to do so could cause serious injury. If you be-c o m e d i z z y w h i l e u s i n g c l e a n i n g s o l v e n t , g e t f r e s h a i r a n d m e d i c a la t t e n t i o n i m m e d i a t e l y . I f c o n t a c t w i t h s k i n o r c l o t h e s i s m a d e , f l u shwith large amounts of water.I f c o n t a c t w i t h e y e s i s m a d e , w a s h e y e swith water and get medical aid immediately.(1) Clean all metallic parts using clean cloth moistened with cleaning sol-vent P-D-680. Dry using clean cloths.(2) Clean remaining parts using clean cloth moistened with detergent. Dryusing clean cloth.(3) Clean all terminals using clean cloth moistened with isopropyl alcohol.INSPECTION, TESTING, AND REPAIR (STREET 1 OF 2)( 1 )Inspect wire (6) for cracked or broken insulation or broken wire strandsat connection to terminals. Repair cracked or broken insulation by apply-(2)(3)ing insulation tape to area. If broken wire strands are seen, replacewire lead.Inspect wiring harness terminal (3) wire, spade terminals (11 and 13)w i r e, and back-up alarm switch (15) spade terminals (12 and 14) wire forcracked or broken insulation or broken wire strands at connection toterminals. Repair cracked or broken insulation by applying insulationtape to area. If broken wire strands are seen, cut wire as close to term-inal as possible. Strip 1/4 inch insulation from end of wire taking carenot to cut through wire then crimp new terminal securely onto wire.Inspect back-up alarm (10) for cracks or breaks and loose, broken, orcorroded terminal studs. Connect multimeter across terminals and checkfor continuity. If continuity not obtained or any of the above conditionsare seen, replace back-up alarm.12-4
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