Toro 37797, Operator'S Manual

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2. Slide an oil-drain pan under the drain extension
and remove the oil-drain cap.
3. Drain the oil.
Note:
Dispose of the used oil properly at a local
recycling center.
4. Install the oil-drain cap.
5. Fill the crankcase with oil.
Lubricating the Hex Shaft
Service Interval: Yearly—Lubricate the hex shaft.
Lightly lubricate the hex shaft yearly with automotive
engine oil (
Figure 39 ).
g019018
Figure 39
1. Hex shaft 3. Rubber wheel
2. Steel friction pulley
Important:
Do not get oil on the rubber wheel or
the steel friction pulley because the traction drive
will slip (
Figure 39 ).
1. Drain the fuel from the fuel tank.
2. Tip the machine forward onto its auger housing
and block it so that it cannot fall.
3. Remove the back cover ( Figure 40 ).
g019019
Figure 40
1. Screws
4. Move the speed-selector lever to Position R2.
5. Dip your finger in automotive engine oil and
lightly lubricate the 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 machine to
the operating position.
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 41 ).
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