VALVES, CAMSHAFT, AND TIMING GEARS (CONT)

VALVES, CAMSHAFT, AND TIMING GEARS (CONT) - TM-5-4320-300-14_455

VALVES, CAMSHAFT, AND TIMING GEARS (CONT) - TM-5-4320-300-14_457

TM-5-4320-300-14 Pump Centrifugal Self-Priming Gasoline Engine Driven; 6-Inch 1500 GPM Capacity At 60 Foot Head Manual
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TM 5-4320-300-14 6-9. VALVES, CAMSHAFT, AND TIMING GEARS (CONT) Location/Item Action Remarks NOTE Bearings are available in 0.010 and 0.020 inch (0.254 and 0.508 mm) under- size for use with worn or reground shafts. Oversize camshaft and balance shaft bearings are available in sets, 0.010 inch (0.254 mm) oversize on the outside diameter, to permit reuse of a cylinder block having one or more scored block bearing bores. To use oversize bearings, camshaft and balance shaft block bores must be carefully line bored (machined) to dimensions shown in the chart below. Bearing Location Minimum Maximum inch (mm) inch (mm) End 2.385 (60.579) 2.386 (60.604) Intermediate 2.375 (60.325) 2.376 (60.350) 47. Camshaft and Position and install end bearings correctly New end bearings for balance shaft with groove in camshaft and balance shaft both shafts are color end bearings bores. coded brown. 48. Crankshaft Start crankshaft gear over end of crankshaft gear with timing marks on outer rim of gear facing out. Align the proper timing mark on crank- shaft gear with corresponding mark on idler gear. Drive gear up against the shoulder on crankshaft. 6-72

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