TM    10-3930-638-24&P 3-5. ENGINE MAINTENANCE (cont) c. Power Pack (cont). STEP LOCATION ITEM ACTION REMARKS REMOVAL  (cont) 2 Engine,  rear NOTE Perform the following steps only if rear engine mount (12) requires  replacement. a. b. INSTALLATION 3 4 Engine, rear a. b. Engine  compart- ment Four nuts (9), lock washers  (10)  and  cap screws (11) Engine mount (12) Rear  engine  mount (12) Four cap sinews (11), lock washers (10) and nuts (9) Loosen and Support engine mount (I 2) remove Remove Position Install  and Tighten to 150-180 ft. lb. torque. tighten WARNING Keep clear of engine and transmission during power pack installation. Never place hands or body under power pack. Failure to do so may cause serious injury or death due to power  pack  falling. CAUTION Check that all hoses, lines and wires are clear as power pack is slowly lowered into vehicle. If necessary, reposition hoses, lines or wires before installing power pack. a. b. c. d. e. f. g. Power  pack Slowly lower and Into rear chassis, with mounting holes install aligned Two  transmission Position mounts  (15) Eight washers (14) and Install cap screws (13) Rubber motor mounts (16) Install Washer (8) and cap Install screw  (7) Washers (6 and 5) and Install and Until bottom of rubber engine mount (16) new lock nut (4) tighten Two cap screws (3), expands to same diameter as washer (6) Install  and Until bottom of rubber mounts expand to washers (2) and new tighten lock nuts (1) same diameter as washers (2) Change  1        3-45