TM   9-2320-273-20 Section II MAINTENANCE ALLOCATiON CHART FOR TRUCK, TRACTOR, M915, M916, AND M920 AND CHASSIS FOR M917, M918, AND M919. (1) (2) (3) (4) (5) (6) MAINTENANCE GROUP COMPONENT/ASSEMBLY MAINTENANCE CATEGORY NUMBER EQUIPMENT REMARKS C O F H D 01 ENGINE Repair 19.2 2-3-4 Adjust 3.8 Test 0.4 0100 Engine (Diesel) Service 2.0 Replace 11.0 Repair 65.0 1 thru 77-81 - Engine  Mount Inspect 0.2 84-85-97 Replace 0.4 99 thru 180- 0101 Cylinder Head Inspect 1.0 189 thru 221 Replace 7.0 Repair 10.4 2 thru 44-50- Engine Block Inspect 2.0 8_’ Repair 40.0 99 thru 116- 128-129 Cylinder and Sleeve Assembly Inspect 0.5 Replace 18.0 99 thru 101- 0102 Crankshaft & Main Bearings Inspect 0.5 128 Replace 17.3 117 thru 119 Main  Seals Inspect 0.1 Replace 20.0 120 thru 127- Vibration  Damper Inspect 0.5 194-195 Replace 1.0 0103 Flywheel  Assembly Replace 13.0 45 0104 Connecting Rods, Bearings Inspect 0.3 and Pistons Assembly Replace 27.0 207 thru 215- Repair 8.0 221 0105 Valves Inspect 0.8 Adjust 1.8 71 thru 77 Replace 14.0 2 Cam Shaft and Bearing Inspect Replace 27.0 197 thru 206 Cam  Follower  Housing Inspect 0.2 Replace 12.0 46 thru 49- Cam Follower Inspect 0.2 51 thru 54-81 Replace 14.0 Push Tubes (Valve) Inspect 0.1 Replace 8.0 B-4 FUNCTION TOOLS AND