PRODUCT CARE
9
4.
There is now
sufficient slack in
the drive control
cable to grasp the
z-fitting with your
hand and move it
from the front hole
to the rear hole of
the drive control.
See Figure 19.
IMPORTANT!
Make
sure to insert the
z-fitting into the rear
hole as it was inserted
in the front hole, that is
from the outside of the drive control.
5.
You may now carefully reinstall the drive control by performing the previous
steps in the opposite order and manner of removal.
IMPORTANT!
Once assembled and prior to restarting, make sure that the cable is properly
adjusted. With the drive control disengaged, the unit should freely pull in reverse.
Service
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 20.
4.
Remove the flange lock
nuts (a), front wheels, and
wave washers (b) that
attach to the pivot arm
assemblies. See Figure 21.
5.
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.
6.
Remove the four screws
on the upper housing
that secure the nozzle
cover. See Figure 22.
7.
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 housing to the
lower housing. Refer to
Figure 23.
8.
Tilt top of black plastic
lower flail housing toward
the engine to remove.
9.
Using a 3/16-inch 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 24.
10. 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 25.
11. 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.
Figure 20
(e)
(d)
(b)
(a)
(c)
Flange
Lock Nut
Shoulder
Screw
Thrust
Washer
Bell
Washer
Wave
Washer
Front Support
Brace/Lock Nut
Pivot Arm
Assembly
Wheel
Figure 21
Figure 22
(a)
(a)
(a)
Figure 23
Chipper
Blade
Flat Head
Cap Screws
(a)
Figure 24
Nuts
Impeller
(a)
(a)
Figure 25
2.
Before unclogging the
discharge chute,
disconnect and ground
the spark plug wire to
retaining post.
3.
Remove the vacuum
bag from the unit
as instructed in the
Controls & Operation
section to obtain access
to flail screen.
4.
If equipped with a drive
control, remove the
three self-tapping screws
securing the belt cover
and remove belt cover.
See Figure 15.
5.
Remove self-tapping
screw on right side of unit
that attaches to the flail
screen. It may be
necessary to remove the
hose bracket hanger (if
equipped) to get access to
the screw. See Figure 16.
6.
Remove hex screw on
top of rear housing near
mounting bracket and
the flange lock nut that
secures flail screen. See
Figure 16.
7.
Remove and clean the
screen by scraping or
washing with water. See
Figure 17.
8.
Reinstall the screen.
Adjustments
Drive Control Cable
(If Equipped)
Adjust the drive control cable if
the chipper/shredder vacuum
does not self-propel with the drive control engaged, or if the unit hesitates while
the engine maintains the same speed after approximately 20 hours of use.
To move the z-fitting of the drive control cable from its factory set position in the
front hole of the drive control to the rear hole, proceed as follows:
1.
Push the right side of the control out of the right hole in the upper handle.
See 1 in Figure 18.
2.
Pivot control down
towards the lower
handle. See 2 in
Figure 18.
3.
Pivot straight up
to remove it from
the left hole in the
upper handle. See 3
in Figure 18.
Figure 16
Figure 17
1
2
3
Figure 18
Figure 19