Replacing Shave Plate.12; Servicing Spark Plug.12 - Simplicity 551M Operator's Manual

Single stage snowthrower
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REPLACING
SHAVE
PLATE
SERVICING
SPARK
PLUG
8.
Start engine; engage and disengage auger clutch control to be sure that the auger
stops turning when the clutch control is released.
9.
If the auger does not stop turning when control is released, adjust the tension on the
clutch control cable following instructions on page 6.
10. Reinstall the belt cover and the engine cover/cowling.
1.
Remove key from ignition switch.
2.
Remove the three screws and nuts
securing the shave plate to the
auger housing. Save the hardware.
See figure 11.
3.
Remove the worn blade.
4.
Install the new blade and secure it
with the three screws and nuts ear¬
lier removed.
1.
Remove key from the ignition switch.
2.
Remove the engine cover following
instructions on page 11.
3.
Disconnect wire from the spark plug
and remove the plug. See figure 12A.
4.
Inspect the plug and clean carbon
deposit from the electrodes with a
wire brush.
5.
If the plug is burned or pitted, replace it
with a new plug (part # 731 -0732) as
recommended in the engine manual.
6.
Adjust the gap between electrodes to
.030 inch using a wire feeler gauge.
See figure 12B.
7.
Install the plug and tighten it firmly.
Reconnect the plug wire.
8.
Reinstall the engine cover/cowling.
Spark
12

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