Replacing the Spark Plug
Service Interval:
Every 100 hours—Replace the spark plug.
WARNING
Replacing the spark plug while the engine is hot
can result in burns.
Wait until the engine is cool to replace the spark
plug.
Use a Toro spark plug or equivalent (Champion® RN9YC or
NGK BPR6ES).
1.
Remove the boot (
Figure 20
).
Figure 20
2.
Clean around the base of the spark plug.
3.
Remove and discard the old spark plug.
Note:
You will need a ratchet wrench extension to
remove the spark plug.
4.
Set the gap between the electrodes on a new spark plug
at 0.76 mm (0.030 inch) (
Figure 21
).
Figure 21
1.
0.76 mm (0.030 inch)
Adjusting the Auger Cable
Service Interval:
After the first 2 hours
Yearly
If the drive belt slips or squeals under heavy load, adjust the
auger cable.
1.
Loosen the nut on the lower cable clamp, but do not
remove it (
Figure 22
).
Figure 22
1.
Nut
3.
Connector
2.
Cable
4.
Spring
2.
Pull the cable up to remove some slack (
Figure 22
).
Important:
Do not remove all the slack from the
cable. Removing all the slack from the cable will
prevent the auger from stopping properly.
3.
Hold the cable in place and tighten the nut (
Figure 22
).
Adjusting the Transmission
Cable
Service Interval:
After the first 2 hours
Yearly
If the wheels easily stall out, or if the wheels drive without
engaging the self-propel handle, adjust the transmission cable.
1.
Loosen the nut on the upper cable clamp, but do not
remove it (
Figure 23
).
15
