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Maintenance
Note: Determine the left and right sides of the machine from the normal operating position.
Recommended Maintenance Schedule
Maintenance Service
Interval
Initial
Annually
If you leave the wire on the spark plug, someone could start the engine accidentally and seriously
injure you or other bystanders.
Disconnect the wire from the spark plug before you do any maintenance. Set the wire aside so
that it does not accidentally contact the spark plug.
Adjusting the Rotor Control
Cable
Check the rotor control cable for proper adjustment
initially, after the first operating hour, and then annually
thereafter.
Maintenance Procedure
Check the rotor control cable and the traction drive cable both initially and after
the first hour of operation; adjust them if necessary. Refer to Adjusting the Rotor
Control Cable on page 12 and to Adjusting the Traction Drive Cable on page 14.
Check for loose fasteners and tighten them if necessary.
Check the rotor control cable and the traction drive cable. Adjust them if
necessary. Refer to Adjusting the Rotor Control Cable on page 12 and to
Adjusting the Traction Drive Cable on page 14.
Inspect the rotor blades and replace them if necessary. Replace the scraper
when you replace the rotor blades. Refer to Replacing the Rotor Blades on
page 14 and to Replacing the Scraper on page 15.
Inspect the scraper and replace it if necessary. If the rotor blades are partially or
completely worn, replace the rotor blades when you replace the scraper. Refer to
Replacing the Scraper on page 15 and to Replacing the Rotor Blades on
page 14.
Inspect the spark plug and check the gap; replace the spark plug if necessary.
Refer to Replacing the Spark Plug on page 16.
Inspect the drive belt and replace it if necessary. Refer to Replacing the Drive
Belt on page 16.
Check the pressure in the tires and inflate them to between 15 and 20 psi (103
and 137 kPa). Refer to Checking the Tire Pressure on page 17.
For storage, add stabilizer, drain the fuel, and run the engine until the fuel tank
and the carburetor are empty. Refer to Emptying the Fuel Tank on page 17.
Check for loose fasteners and tighten them if necessary.
Caution
12
Checking the Rotor Control Cable
1. Stop the engine and wait for all moving parts to stop.
2. Move the left side of the control bar back toward the
handle until you remove the slack in the cable (Fig. 8).
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