Maintenance
Note: Determine the left and right sides of the machine from the normal operating position.
Recommended Maintenance Schedule(s)
Maintenance Service
Interval
After the rst operating
hour
Yearly
Yearly or before storage
Inspecting the Rotor Blades
Before each season, inspect the rotor blades for wear. When
a rotor blade edge has worn down to the wear indicator
hole, have an Authorized Service Dealer replace both rotor
blades and the scraper (Figure 10)
Figure 10
1. Wear indicator hole
Maintenance Procedure
• Check for loose fasteners and tighten them if necessary.
• Have an Authorized Service Dealer replace the rotor blades and the scraper
if necessary.
• Have an Authorized Service Dealer inspect the drive belt and replace it if necessary.
• Have an Authorized Service Dealer inspect the spark plug and replace it if
necessary.
• Check for loose fasteners and tighten them if necessary.
• Prepare the snowthrower for storage.
Inspecting the Scraper
Before each season, inspect the scraper for wear. If the
thickness from the top of the wear indicator groove to
the bottom of the scraper is less than 1/16 inch (1.6 mm)
or there is no longer a wear indicator groove, replace the
scraper (Figure 11).
Figure 11
1. Scraper
8
2. Wear indicator groove