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7
15
Wave
Washer
Wheel
Lock Nut
Shoulder
Screw
Thrust
Washer
Bell
Washer
Pivot Arm
Assembly
Front Support Brace/
Lock Nut
Figure 7-2
5. Remove the shoulder screws, thrust washers, and bell
washers that go through the pivot arms to the front
support brace. The front support brace and lock nut can be
removed at this time as well.
6. Remove the four screws on the upper housing that secure
the nozzle cover. See Figure 7-3.
Figure 7-3
Blade Care
WARNING: Before performing any type of
maintenance on the machine, wait for all parts to
stop moving and disconnect the spark plug wire.
Failure to follow this instruction could result in
personal injury or property damage.
NOTE: When tipping the unit, empty the oil and fuel tank and
keep engine spark plug side up.
1. Disconnect and ground the spark plug wire to retaining
post.
2. Remove bag assembly or blower chute.
3. Remove the three hex cap screws holding the chipper
chute to the upper housing. See Figure 7-1.
Figure 7-1
4. Remove the flange lock nuts, front wheels, and wave
washers that attach to the pivot arm assemblies. See Figure
7-2.