TM  10-3930-638-24&P 2-43. SERVICE BRAKE MAINTENANCE (cont) d. Declutch Valve (cont). STEP LOCATION ITEM ACTION REMARKS REMOVAL 1 Front  chassis, a. Two nuts (1), lock Loosen  and  remove  Support  bracket  (5) bottom left side washers  (2),  flat washers (3) and cap screws (4) b. Bracket (5) and Remove Lower from pedal bracket valve  (10) DISASSEMBLY 2 Declutch  valve a. Two screws (6) and Remove From spring (8) and bracket (5) (10) lock washers (7) b. Flat spring (8) Remove From bracket (5) C. Nut (9) Loosen  and From valve (10) remove d. Declutch valve (10) Remove From bracket (5) e. Lock nut (11) and Loosen  and  remove  From  valve  (10) pipe plug (12) 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 immedi- ately,  and  obtain  medical  aid  immediately. 3 Declutch valve (10) Clean Wipe exterior and shaft with cloth mois- tened  in  cleaning  solvent  P-D-680 WARNING Wear safety glasses when drying parts with compressed air. Fail- ure to do so could cause serious injury to eyes and possible blind- ness. If you hurt your eyes or if a foreign object is blown into your eyes, seek medical attention immediately. 4 All other parts Clean Use cleaning solvent P-D-680. Dry thoroughly with compressed air 2-311