10
Figure 12
SHARPENING OR REPLACING CHIPPER
BLADE
Because the engine on this unit has a tapered crank-
shaft, a special impeller removal tool (part number 753-
0638) is required to remove the impeller assembly. For
further assistance, contact your local service dealer.
NOTE:
When tipping the unit, empty the fuel tank and
keep engine spark plug side up.
1.
Disconnect the spark plug wire and ground it
away from the spark plug.
2.
Remove the front hubcaps, shoulder screws, wave
washers, and bell washers that attach to the front
wheels. See Figure 13.
3.
Remove the shoulder screws that go through the
pivot arms and height bracket adjusters to the front
support brace. See Figure 13.
Figure 13
4.
Remove the three screws on the upper housing that
secure the nozzle cover and the nine screws that
secure the lower housing to the upper housing.
See Figure 14.
Figure 14
5.
Remove lock nut that secures flail screen to the
lower housing. The flail screen does not have to be
removed. See Figure 10 and Figure 12.
6.
Remove the hex bolt, lock washer and flat washer
that secure the impeller assembly to the crankshaft.
See Figure 15.
Figure 15
7.
Apply lubricant to the threads of impeller removal
tool and then thread the tool into the crankshaft.
Stop when the impeller assembly can move on the
crankshaft.
8.
Remove the impeller assembly from the crankshaft.
Unthread the impeller removal tool from the impel-
ler assembly.
9.
Remove the blade using a 3/16" allen wrench on the
outside of the blade and 1/2" wrench on the impel-
ler assembly.
Top
Hex Screw
Support
Brace
Shoulder
Screw
Shoulder
Screw
Height
Bracket
Adjuster
Pivot
Arm
Hubcap
Front
Wheel
Wave
Washer
Bell
Washer
Nozzle
Screws
Lower
Housing
Screws
Upper
Housing
Impeller
Assembly
Hex Bolt
Lock Washer
Flat Washer
BOTTOM VIEW
Chipper
Blade
Flail
Blade
