TM 5-4310-451-14 B-5. EXPLANATION OF COLUMNS IN REMARKS, SECTION IV. a. Column 1, Reference Code.  The code recorded in Column 6, Section II. b. Column 2, Remarks.  This column lists information pertinent to the maintenance function being performed as indicated in the MAC, Section II. Section II.  MAINTENANCE ALLOCATION CHART (Con’t) (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 Engine Inspect 0.2 Service 0.5 2.0 1, 2, 3 Replace 6.0 1, 6 Repair 48.0 1, 6, 8, 9 0101 Crankcase, Block, Cylinder Head Cylinder Head Inspect 0.5 Replace 4.0 1, 6, 12 Repair 4.0 1, 6, 10, 11, 13, 14, 15 Cylinder Sleeve Replace 7.2 1, 6 0102 Crankshaft Replace 17.0 1, 6 Repair 2.5 1, 6 0103 Flywheel Assembly Flywheel Replace 5.2 1, 6 0104 Pistons and Connecting Rods Pistons, Rings, Pins, and Bushings Replace 16.0 1, 6 Repair 6.0 1, 6 Connecting Rods Replace 6.0 1, 6 Repair 1.0 1, 6 0105 Valves, Camshafts, and Timing System Valves, Exhaust Adjust 2.0 1 Replace 12.0 1, 6 Repair 4.0 1, 6 B-3