TM   10-3930-638-24&P 2-43. SERVICE BRAKE MAINTENANCE (cont) b. Brake Hoses, Lines and Fittings (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 exces- sive 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 imme- diately,  and  obtain  medical  aid  immediately. WARNING 7 8 INSPECTION 9 10 11 INSTALLATION 12 Rear  chassis, bottom  center 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. All parts Hoses, fittings, and tubes Clamps (13 and 20) All  fittings Hoses (6, 7, and 16) a. Strap tee (23) b. Hose (6) and brake tubes (21 and 22) c. Two clamps (13 and 20) d. Cap screw (12), lock washer (11) and nut (10) Clean Flush Inspect Inspect Inspect Position  and install Install  and and tighten Position Install  and tighten Use  cleaning  solvent  P-D-680.  Dry  thor- oughly  with  compressed  air After  cleaning,  flush  interior  with  clean brake fluid to remove all traces of clean- ing  solvent Replace  if  damaged Replace  if  cracked,  or  if  threads  damaged Replace if cracked, split or deteriorated, or if fitting threads damaged On rear axle On hose (6) and brake tube (21) Until clamp (13) is securely mounted 2-293