TM  10-3930-638-24&P 4-2.  ENGINE  MAINTENANCE  (cont) d. Crankshaft and Main Bearings (cont). STEP LOCATION ITEM ACTION REMARKS REMOVAL  (cont) 1 f. Center main Remove  and (cont) bearing cap (6) set  aside g, Rear main bear- Remove  and ing cap (7) set  aside h. Crankshaft (8) Lift out i. Main bearing Remove From cylinder block liners (11, 12, 13 and 14) 2 Crankshaft  (8) a.  Crankshaft Remove Use puller gear  (9) b. Key (10) Remove 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. 4-27