TP-6137 5/0384 Section 10 Generator and Engine Disassembly/Reassembly
2. Set the governor pin into the governor hole using
grease to keep it in place.
3. Align the mark on the camshaft gear with the mark
on the gear cover. See Figure 10-87.
4. Put the cover gasket in place. Slowly guide the
gear cover towards the crankcase without moving
the camshaft.
5. Check that the distance between the flywheel mark
and the crankcase mark is within ± 2mm
(0.0787 in.). If within this range, the timing gear
operation is correct.
Figure 10-87 Camshaft Gear and Gear Cover Marks
6. The crankshaft could stop in a position that causes
difficulty installing the gear cover because the
governor touches its lower side. If this happens,
follow this procedure to install the cover:
a. Move the flywheel until its mark aligns with the
threaded hole on the crankcase at the 1 o’clock
position. See Figure 10-88.
b. Move the camshaft gear until its mark is exactly
three teeth to the left of the gear cover mark.
See Figure 10-89.
c. Install the gear cover and turn the flywheel until
the camshaft mark aligns with the one on the
gear cover.
d. Check the distances between the flywheel
mark and the crankcase mark located in the
3 o’clock position is within ± 2 mm (0.0787 in.)
of each other. If it is, the valve timing
adjustment is acceptable.
Figure 10-88 Flywheel Mark
Figure 10-89 Camshaft and Gear Cover Mark
7. When installing the gear cover screws, note that
the upper two screws and the one screw located in
the middle left position are longer than the other
three screws.
8. Place a new gasket under the front plate of the gear
cover and tighten the two screws.
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