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11.4
Section 11
Reassembly
Figure 11-8. Assembly of Nylon Washer, Retainer,
and Setting the End play.
Install Camshaft
1. Inspect the edges of the keyway in the end of
camshaft and make sure they are not nicked or
burred. Wrap this end using cellophane tape, so
the keyway is covered, to protect the seal from
being cut when the camshaft is installed.
2. Lubricate the camshaft bearing surfaces of the
crankcase and camshaft with engine oil. Apply a
small amount of grease to the lips of camshaft oil
seal.
3. Position the timing mark of crankshaft gear at the
12 o'clock position.
4. Turn the governor cross shaft to the left until the
lower end of the shaft contacts the crankcase.
Make sure the cross shaft stays in this position
while installing the camshaft. See Figure 11-9.
5. Carefully slide the keyway end of the camshaft
through the seal and engage the camshaft into
the bearing surface of the crankcase. Position the
timing mark of camshaft gear at the 6 o'clock
position matching the timing mark on the
crankshaft. Make sure the camshaft gear and
crankshaft gear mesh and the timing marks are
aligned as shown in Figures 11-10 and 11-11.
Figure 11-10. Alignment of Timing Marks.
Figure 11-9. Showing Cross Shaft Position.
Figure 11-11. Aligning Crankshaft and Camshaft
Timing Marks.
6. Leave the cellophane tape over the keyway until
the water pump and drive parts are installed.