TM 10-4320-344-24
Figure 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 should
not 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 from
camshaft thrust plate (2).
k.
To increase end play:
(1) Add a shim between camshaft gear hub and camshaft bearing, (reference
figure 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
