TM 10-4320-344-24Figure 4-30. Installed Camshaft Assembly, Model 609-A.h .Install two new lock washers (Figure 4-28, 7) and bolts (5). Torque bolts (5).to 7 ft-lbs (9 N•m).Normal camshaft end play is 0.005-0.008 inches (0.127-0.203 mm) and shouldnot exceed 0.012 inches (0.305 mm).i .Check camshaft assembly (Figure 4-30, 1) end play.j .To decrease end play, use a draw file and remove small amount of metal fromcamshaft thrust plate (2).k.To increase end play:(1) Add a shim between camshaft gear hub and camshaft bearing, (referencefigure 4-30, 3).(2) Using piece of very fine emery cloth on surface plate, polish thrust plate(Figure 4-28, 8) to desired thickness.Backlash of camshaft gear to crankshaft gear must be 0.0015-0.0025 inches(0.0381-0.0635 mm).1.Check backlash of camshaft gear (Figure 4-28, 6) to crankshaft gear (4).4-59
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