TM  10-3930-643-34 GENERAL  SUPPORT  ENGINE,  FUEL,  EXHAUST  AND  COOLING  MAINTENANCE. 13-1. Front Cover. (Sheet 2 of 6) REMOVAL 1. Remove crankshaft pulley. Refer to paragraph  13-4. 2. Using  a  flat  tip  screwdriver,  loosen two clamps (1) at front of engine. NOTE Tag all hose and tube assemblies before disconnecting to aid in 3* 4. 5. 6. 7. installation. Remove hose (2). Using  a  flat  tip  screwdriver,  loosen clamp (3). Using  9/16”  socket  and  socket  wrench handle, remove three bolts (4), washers (5),   elbow (6) and gasket (7). Discard gasket (7). Remove all gasket material  from mounting surfaces. Using 1/2” socket and socket wrench handle, remove six bolts (8), washers (9), two bolts (10), washers (11), bolts (12), washers (13), four bolts (14) and washers (15). Using 3/4”   socket and socket wrench handle, remove two bolts (16) and washers (17) from bottom, rear of engine. Go to sheet 3 13-3