TM   10-3930-638-24&P 3-30.   HYDRAULIC   LIFT   SYSTEM   MAINTENANCE   (cont) a.  Control  Valve  (cont). STEP LOCATION ITEM ACTION REMARKS REMOVAL  (cont) WARNING Dry cleaning solvent (P-D-680), used to clean parts is toxic and flammable. Wear protective gogles 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 Front of a. Tube fittings Clean Use clean cloth moistened with cleaning vehicle, solvent P-D-680 and remove all dirt and control  valve grease b. Tube fittings Tag, disconnect Para 2-56f(1), steps 2a through 2f and cap C. Elbows Remove Para 2-56f(1), steps 2g throug 2h 3 Operator’s  com- a. Two nuts (1), lock Remove partment, washers  (2),  cap control  valve screws  (3),  and washers  (4) b. Oil drip pan (5) Remove CAUTION Support control valve when performing following step to prevent it from falling. c. Nut (6), lock washer Remove Move axle breather hose and clamp away (7), cap screw (8), and  washer  (9) d.  Control  valve  (10) Remove 3-206