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9.
Using a 3/16" allen wrench, remove the flat head cap screws that hold the
chipper blade to the impeller. These screws are accessible through the
opening created when the chipper chute was removed earlier. See Figure 23.
Flat Head Cap Screws
10.
The nuts on the flat head cap screws can be reached from underneath using
a 1/2-inch socket, universal, and extension. See Figure 24.
Nuts
11.
Replace or sharpen chipper blade. The blade can be sharpened with a file or
on a grinding wheel.
The chipper blade is sharp. When sharpening blade, wear leather work
gloves to protect your hands and follow the original angle of grind.
SERVICE AND MAINTENANCE
Chipper Blade
Figure 23
Impeller
Figure 24
WARNING
12.
Reassemble by performing the previous steps in the opposite order and
manner of removal.
NOTE: Tighten blade screws to 210 - 250 in-lbs. Make certain chipper blade is
reassembled with the sharp edge facing upward.
Off-Season Storage
Never store yard vacuum with fuel in tank indoors or in poorly ventilated
areas where fuel fumes may reach an open flame, spark, or pilot light as on
a furnace, water heater, clothes dryer, or gas appliance.
Preparing The Engine
For engines stored over 30 days:
•
To prevent gum from forming in fuel system or on carburetor parts, run
engine until it stops from lack of fuel or add a gasoline additive to the gas
in the tank. If you use a gas additive, run the engine for several minutes to
circulate the additive through the carburetor—after which the engine and
fuel can be stored up to 24 months.
•
While engine is still warm, change the oil. Consult the separate engine
operator's manual.
•
Clean engine of surface debris.
Preparing The Yard Vacuum
•
Clean and lubricate yard vacuum thoroughly as described in the lubrication
instructions.
•
Do not use a pressure washer or garden hose to clean your unit.
•
Refer to Preparing the Engine for correct engine storage instructions.
•
Store unit in a dry, clean area. Do not store next to corrosive materials, such
as fertilizer.
When storing any type of power equipment in a poorly ventilated or metal storage
shed, care should be taken to rust-proof the equipment. Using a light oil or silicone,
coat the equipment, especially cables and all moving parts of your yard vaccum
before storage.
16
WARNING
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