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1. Hex shaft
2. Aluminum friction plate
Important: Do not get oil on the rubber wheel
or the aluminum friction drive plate because the
traction drive will slip (Figure 51).
1. Drain the gasoline from the fuel tank.
2. Tip the snowthrower forward onto its auger housing
and block it so that it cannot fall.
3. Remove the back cover (Figure 52).
1. Back cover
4. Move the speed selector lever to Position R2.
5. Dip your finger in automotive engine oil and lightly
lubricate hex shaft.
6. Move the speed selector lever to Position 6.
7. Lubricate the other end of the hex shaft.
8. Move the speed selector lever forward and rearward
a few times.
9. Install the back cover and return the snowthrower
to the operating position.
Inspecting and Replacing the
Spark Plug
Service Interval: Yearly—Inspect the spark plug.
Replace and/or gap it if necessary.
Use a Champion RN4C or equivalent spark plug.
Figure 51
3. Rubber wheel
Figure 52
1. Clean around the base of the spark plug.
2. Remove the spark plug.
3. Examine the spark plug and replace it if it is cracked,
fouled, dirty, or if the electrodes are worn.
Important: Do not clean the electrodes because
grit could enter the cylinder and damage the
engine.
4. Set the gap between the electrodes on the spark plug
at 0.030 inch (0.76 mm) (Figure 53).
1. 0.030 inch (0.76 mm)
5. Install the spark plug by hand and then torque it to
15 ft-lb (20.4 N·m).
Note: If you do not have a torque wrench, tighten
the plug firmly.
Adjusting the Discharge Chute
Latch
If the discharge chute does not lock into the desired
position or does not unlock so that you can move it to
another position, adjust the discharge chute latch.
1. Remove the fastener on the gear cover (Figure 54),
lift the front of the cover up, and slide it back and
out of the way.
2. Loosen the bolt on the cable clamp (Figure 55).
22
Figure 53
Figure 54
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