CRANKSHAFT AND FLYWHEEL (CONT) - TM-5-4320-300-14

CRANKSHAFT AND FLYWHEEL (CONT) - TM-5-4320-300-14_485

CRANKSHAFT AND FLYWHEEL (CONT) - TM-5-4320-300-14_487

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 6-11. CRANKSHAFT AND FLYWHEEL (CONT)) Location/Item Action Remarks c. Heat the gear evenly with an acetylene Heat indicating torch. Keep moving flame rapidly over crayons, which surface of gear. are placed on the ring gear and melt at a pre- determined tem- perature, may be obtained from most vendors. Use of crayons will en- sure against over- heating the gear. d. Use tongs to position replacement gear in identical position to old gear. e. Tap gear in place against shoulder. If gear will not seat flatly on shoulder, remove it and carefully repeat the heating operation. 29. Crankshaft Inspect butt end of the crankshaft and flywheel and flywheel contact surface. Lightly stone crankshaft end contact and flywheel contact surface to remove any surfaces fretting or brinnelling. Remove dirt and debris from contact surfaces. REPAIR CAUTION Crankshaft damage may occur if grinding wheel coolant is not used, or wheel is crowded into work. During grinding, feed wheel into work slowly and use coolant generously. 30. Crankshaft If one or more main or connecting rod bearing journals require grinding, then grind all journals main journals or all connecting rod journals to the same required size. 31. Journal All journal fillets must have a 0.130 to fillets 0.160 inch (3.302 to 4.064 mm) radius be- tween crank cheek and journal and must not have any sharp grind marks. Fillet must blend smoothly into journal and crank cheek and must be free of scratches. Check radius with a fillet gage. 6-102

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