TM 5-2420-222-20-3 SECTION II.  MAINTENANCE ALLOCATION CHART (1) (2) (3) (4) (5) (6) Maintenance Level Group Maintenance UNIT DS GS DEPOT Tools and Number Component/Assembly Function C O F H D Equipment Remarks 01 ENGINE 0100 Engine Assembly Inspect 0.8 Test 2.5 3,5,15 Service 0.6 0.8 1-3 Replace 10.0 3,8,15,18 Repair 20.1 3,15,18 0101 Crankcase, Block, Cylinder Head Engine Block Assembly Inspect 0.8 3,15 Replace 21.0 3,15 Repair 4.0 3,15 Cylinder Sleeves Inspect 1.0 3,15 Replace 12.0 3,15 Repair 2.0 3,15 Diesel Cylinder Head Replace 4.3 3,15 Repair 6.0 3,15 Cylinder Block Plate Replace 2.0 3,15 0102 Crankshaft Engine Crankshaft Inspect 1.0 15 Replace 13.0 3,15 Sleeve Bearings Inspect 0.8 15 Replace 4.5 3,15 Pulley Replace 1.8 3,15 Front Oil Seal Replace 7.0 3,15 0103 Flywheel Assembly Engine Flywheel and Inspect 1.0 3,15 Ring Gear Replace 5.0 3,15 Repair 5.2 3,15 Flywheel Housing Replace 2.0 3,15 0104 Pistons and Connecting Rods Pistons, Pins, Rings, and Inspect 3.0 15 Connecting Rods Replace 1.0 3,15 Repair 1.0 3,15 Connecting Rod Bearing Replace 4.0 3,15 Change 1  B-4