Toro 37807 - Replacing the Spark Plug; Replacing the Drive Belts

Replacing the Spark Plug
Service Interval : Every 100 hours —Replace the
spark plug.
W ARNING
Replacing the spark plug while the engine is
hot can result in burns.
W ait until the engine is cool to replace the
spark plug.
Use a T oro spark plug or equivalent (Champion®
RN9YC or NGK BPR6ES).
1. Remove the boot ( Figure 35 ).
g016645
Figure 35
1. Spark-plug boot
2. Clean around the base of the spark plug.
g016646
Figure 36
3. Remove and discard the old spark plug.
Note: Y ou 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) as shown
in Figure 37 .
g001029
Figure 37
1. 0.76 mm (0.030 inch)
5. Install the new spark plug, tighten it rmly , and
attach the ignition wire to the spark plug.
Note: Ensure that the ignition wire snaps
completely into place on the spark plug.
Replacing the Drive Belts
If the auger/impeller drive belt or the traction-drive belt
becomes worn, oil-soaked, or otherwise damaged,
have an Authorized Service Dealer replace the belt.
24