TM 5-4320-305-24 Section II.  MAINTENANCE ALLOCATION CHART 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         18, 19, 24, Replace 3.0            25 Repair 3.0 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 Repair 3.0 Camshaft                       Inspect 2.0 Replace 6.0          42, 43         Q Repair 6.0 Piston Assembly                Inspect 1.0 31,32, 33,     R Replace 6.0 34, 37 Repair 6.0 Connecting Rod Assembly Inspect 1.0 Replace 6.0             4         C, S Repair 6.0 Crankshaft Assembly        Inspect 2.0          40, 41         T Replace 6.0 Repair 6.0 (5) TOOLS AND EQUIPMENT REF CODE (3) MAINTENANCE FUNCTION B-9 (6) REMARKS CODE (2) COMPONENT/ ASSEMBLY (1) GROUP NO.     C O F H D (4) MAINTENANCE CATEGORY UNIT DS GS DEPOT