15
STORAGE
1. Clean the engine and the entire unit thoroughly.
2. Refer to engine manual for correct engine storage
instructions.
3. If storing in an unventilated or metal storage shed,
coat metal parts with light oil or silicone to prevent
rust.
4. Store unit in a clean, dry area.
SERVICE AND ADJUSTMENTS
FIGURE 20
SHARPENING OR REPLACING CHIPPER
BLADES
1. Disconnect the spark plug wire and move wire away
from the spark plug.
2. Remove the access plate by removing two hex lock
nuts. See figure 20.
3. Locate one of the chipper blades in the access plate
opening by rotating the impeller assembly by hand.
Remove the blade using a 3/16" allen wrench on
the outside of the blade and a 1/2" wrench on the
impeller assembly, inside the housing.
4. Remove the other blade in the same manner.
5. Replace or sharpen blades. If sharpening, make
certain to remove an equal amount from each blade.
Reassemble in reverse order.
NOTE: Make certain the blades are reassembled with
the sharp edge facing upward, as viewed from the access
plate opening.
NYLOCK NUTS
ACCESS
PLATE
REMOVING THE IMPELLER
1. To remove an impeller that is frozen on the shaft,
order the Impeller Service Tool (part #42294) that is
listed on the parts ordering page 20.
2. Remove the bolt that holds the impeller on the shaft
and screw the impeller service tool into the hole until
the impeller breaks free.
It is important to prevent gum deposits from forming
in essential fuel system parts such as the carburetor,
fuel filter, fuel hose or tank during storage. Also, alcohol
blended fuels (called gasohol or using ethanol or
methanol) can attract moisture which leads to separation
and formation of acids during storage. Acidic gas can
damage the fuel system of an engine while in storage.
To avoid engine problems while in storage of 30 days or
longer, fill the fuel tank to the top with fresh fuel treated
with STA-BIL® fuel additive to keep the fuel fresh and
make sure it starts next season. Once fuel is treated, run
engine for 2 minutes to circulate stabilized fuel.
Summary of Contents for 45-0540
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