TM 5-3805-262-207-3. AIR BRAKE SYSTEM MAINTENANCE (CONT)e. Double Check Valve and Stop Light Switch (cont).CLEANING, INSPECTION, AND REPAIRDry 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 a n d u s e o n l y i n a w e l l v e n t i l a t eda 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 ala t t e n t i o nw i t h l a r g ewith water( 1 ) C l e a ni m m e d i a t e l y .If contact with skin or clothes is made, flusha m o u n t s o f w a t e r . 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 esand get medical aid immediately.all metallic parts using cleaning solvent P-D-680. Dry using cleanc l o t h s .(2)Inspect wiring harness terminals (3) wire for cracked or broken insula-tion or broken wire strands at connection to terminal. Repair cracked orbroken insulation by applying insulation tape to area. If broken wirestrands are seen, cut wire as close to terminal as possible. Cut 1/4 inchinsulation from end of wire taking care not to cut through wire thencrimp new terminal securely onto wire.( 3 ) I n s p e c t a d a p t e r ( 7 ) , tee (8), and elbow (10) for cracks, breaks, crossedo r s t r i p p e d t h r e a d s, or other damage. Replace as necessary.INSTALLATION (SHEET 1 OF 2)(1)( 2)(3)( 4)(5)(6)If removed, install and tighten elbow (10) in brake treadle and valvep o r t .Install and tighten double check valve and stop light switch (9). Ifnecessary, use slip joint pliers to hold and prevent elbow (10) frommoving.Install and tighten tee (8) and adapter (7) in double check valve andstop light switch (9) ports .Connect and tighten three hose (4, 5, and 6) fittings to tee (8) anda d a p t e r ( 7 ). Refer to tags applied to hoses during removal to ensure thatconnections are correct.Connect two terminals (3) to double check valve and stop light switchscrew terminals. Refer to tags applied during removal to ensure thatconnections are correct.Install and tighten two washers (2) and nuts (1).7-68
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