TM 10-3930-659-20 Section II.  MAINTENANCE ALLOCATION CHART (Con't) (1) (2) (3) (4) (5) (6) MAINTENANCE LEVEL TOOLS GROUP MAINTENANCE DIRECT GENERAL AND NUMBER COMPONENT ASSEMBLY FUNCTION UNIT SUPPORT    SUPPORT DEPOT   EQUIPMENT REF   REMARKS C O F H D CODE CODE 0101 Crankcase, Block, Cylin- der Head (Con 't) Cylinder Head Assembly Replace 2.0 1,5 Repair 8.0 1,6,8,20 0102 Crankshaft Replace 6.0 1,8,14,26 Crankshaft Main Bearings Replace 6.0 1,8 Crankshaft Dampener Replace 4.0 1,5,9 Idler Gears Replace 4.0 1,5,16 Rear Oil Seal Replace 2.0 1,4,18 0103 Flywheel Assembly Engine Flywheel Replace 4.0 1,5 Engine Ring Gear Replace 6.0 1,8 Flywheel Housing Replace 4.0 1,5 0104 Pistons and Connecting Rods Pistons, Piston Pins, and Piston Rings Replace 10.0 1,7,24,25 Connecting Rods and Bearings Replace 10.0 1,8 0105 Valves, Camshafts, and Timing SystemReplace 2.0 1,8 Camshaft Replace 2.0 1,5,9,16 Cylinder Head Valves Adjust 1.0 1,2,9,12 A,B Replace 20 1,8 Engine Rocker Arm Cover Replace 1.0 1 Rocker Arm Assembly Replace 4.0 1,5 Repair 2.0 1,6 Tappets Replace 4.0 1,5,6 Pushrods Replace 4.0 1 Engine Front Cover Replace 4.0 1,5,14 0106 Engine Lubrication System Oil Cooler Replace 1.0 1,5 B-4