TM  10-3930-638-24&P 2-43. SERVICE BRAKE MAINTENANCE (cont) a. Service Brake Assembly (cont). STEP LOCATION ITEM ACTION REMARKS REMOVAL 2 Front  axle, a. Retainer spring (1) Remove Use brake spring pliers right  side b. Head of two anti- Hold From  turning rattle rods (4) c. Two outer retainers Depress and turn Use pliers, turn 1/4 turn, slowly release (2) spring pressure, and remove d. Two springs (3) and Remove From two rods (4) inside  retainers  (2) e. Two rods (4) Remove Pull from shoe assembly (6) and backing plate (11) f. Return spring (5) Remove Use brake spring pliers g. Two shoe and lining Remove From backing plate (11) assemblies  (6) 3 Front  axle NOTE backing  plate, right  side Remove cap screws (7), lock washers (8) and wheel cylinder (9) only if required for replacement. a. Brake tube and Remove From wheel cylinder (para 2-43b) fitting b. Two cap screws (7) Remove Support wheel cylinder (9) and lock washers (8) c. Wheel cylinder (9) Remove From backing plate (11) CLEANING 4 Brake lining (6) and Clean Wipe with a clean, dry cloth only wheel cylinder (9) 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 immedi- ately,  and  obtain  medical  aid  immediately. 2-284