TM 5-4320-306-24 Pump Unit, Centrifugal, Flood and Transfer, 1250 GPM, DED (1) (2) (3) (4) (5) (6) MAINTENANCE CATEGORY GROUP COMPONENT/ ASSEMBLY MAINTENANCE TOOLS AND NUMBER FUNCTION C O F H D EQUIPMENT REMARKS 07 Engine Assembly (cont) Pushrods Inspect 1.0 Replace 2.5 29 Repair 0.5 Tappets Inspect 1.0 Replace 2.5 3, 4 Valves Inspect 1.0 Replace 2.0 15, 17 Repair 3.0 Valve Guides Inspect 1.0 Replace 3.0 18, 19, 24, Repair 3.0 25 Valve Seats Inspect 1.0 16, 20, 21, Replace 3.0 22, 23, 26, Repair 3.0 27 Tachometer Drive Inspect 0.2 Service 0.5 1, 2, 3 Replace 1.0 Front Cover Inspect 0.1 Replace 3.0 39 Repair 3.0 Camshaft Inspect 2.0 Replace 6.0 41, 42 Q Repair 6.0 Piston Assembly Inspect 1.0 R Replace 6.0 31, 32, 33, Repair 6.0 34, 37 Connecting Rod Assembly Inspect 1.0 Replace 6.0 4 C, S Repair 6.0 Crankshaft Assembly Inspect 2.0 T Replace 6.0 38, 39, 40 Repair 6.0 B-9