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9.
Remove the flange lock nuts (a), front
wheels, and wave washers (b) that attach
to the pivot arm assemblies.
See Figure 5-5.
Bell
Pivot Arm
Washer
Assembly
Thrust
Washer
Shoulder
Screw
(e)
(d)
(c)
Wheel
Flange Lock Nut
(a)
Figure 5-5
10.
Remove the shoulder screws (c), thrust
washers (d), and bell washers (e) 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.
11.
Remove the four screws (a) on the upper
housing that secure the nozzle cover. See
Figure 5-6.
Figure 5-6
10
S
5— S
ection
ervice
12.
Carefully tilt and support the unit up
to provide access underneath to the
nozzle mounting hardware and impeller.
Remove the three shoulder bolts (a)
securing the black plastic lower flail
Front Support Brace/
housing to the lower housing.
Lock Nut
Refer to Figure 5-7.
Wave
Washer
(b)
(a)
(a)
13.
Tilt top of black plastic lower flail housing
toward the engine to remove.
14.
Using a 3/16" allen wrench, remove the
flat head cap
screws (a) 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 5-8.
(a)
Figure 5-7
Flat Head
Cap Screws
(a)
Chipper
Blade
Figure 5-8
15.
The nuts (a) on the flat head cap screws
can be reached from underneath using a
1/2-inch socket, universal, and extension.
See Figure 5-9.
Impeller
Nuts
(a)
(a)
Figure 5-9
16.
Replace or sharpen chipper blade. The
blade can be sharpened with a file or on a
grinding wheel.
WARNING:
The chipper blade is
sharp. When sharpening blade,
wear leather work gloves to
protect your hands and follow the
original angle of grind.
17.
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
•
When storing the chipper/shredder
vacuum in an unventilated or metal
storage shed, care should be taken to
rustproof the non-painted surfaces. Using
a light oil or silicone, coat the equipment,
especially any springs, bearings, and
cables.
•
Remove all dirt from exterior of engine
and equipment.
•
Follow lubrication recommendations.
•
Refer to engine manual for correct engine
storage instructions.
•
Store equipment in a clean, dry area. Do
not store in an area where equipment is
present that may use a pilot light or has a
component that can create a spark.
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