Maintenance & Service - Troy-Bilt FLEX Chipper Shredder Operator's Manual

Maintenance & Service
Maintenance
General Recommendations
• Always observe safety rules when performing
any maintenance.
• The warranty on this chipper shredder does
not cover items that have been subjected to
operator abuse or negligence. To receive full
value from warranty, operator must maintain
the equipment as instructed here.
• Changing of engine-governed speed will void
engine warranty.
• All adjustments should be checked at least
once each season.
• Periodically check all fasteners and make sure
these are tight.
WARNING: Always stop engine,
disconnect the FLEX™ Power Base
from the attachment before, cleaning,
or performing any type of
maintenance on your machine.
Equipment Care
• Clean the chipper shredder thoroughly after
each use.
• Wash bag periodically with water. Allow to
dry thoroughly in shade.
• If the reduction chamber becomes clogged,
remove and clean as instructed below.
• Sharpen or replace chipper blade every 50
hours of use.
Cleaning The Reduction Chamber
WARNING: The impeller's shredder
blade and chipper blades are sharp.
Wear leather work gloves to protect
your hands when cleaning out the
reduction chamber.
If the reduction chamber becomes clogged with
debris, the shredder screen can be pivoted upward
so that you can clean the surrounding area. To do so,
proceed as follows:
1. Stop engine, make certain the chipper
shredder has come to a complete stop, and
disconnect the FLEX™ Power Base from the
attachment.
WARNING: The muffler and
surrounding area will be hot if the
engine has been running. Use caution
and protect your hands if working
near the muffler.
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2. If attached, remove debris bag. Remove the
two wing knobs on either side of the chute
deflector and pivot the chute deflector
upward. See Figure 5-1.
2
1
Figure 5-1
3. Remove the hairpin clip from the clevis
pin which extends through the housing
and shredder screen. Remove clevis pin.
See Figure 5-2.
1 3
Figure 5-2
4. Pivot the shredder screen upward. See Figure 5-2.
Clean the surrounding area by scraping away
debris.
5. Spin the dog clutch two-to-three times
to purge any remaining debris from the
reduction chamber. See Figure 5-3.
Dog Clutch
Figure 5-3
6. When the area is cleaned, pivot the shredder
screen downward and re-secure with the
clevis pin and hairpin clip removed earlier.
7. Reattach the debris collection bag to the
chute deflector, if desired.
Blade Care
Chipper Blades
WARNING: The impeller's chipper
blades are sharp. Wear leather work
gloves to protect your hands.
1 1. Stop engine, make certain the chipper
shredder has come to a complete stop, and
disconnect the FLEX™ Power Base from the
attachment.
2. Remove the cover screws which secure
the drive system cover. Retain hardware.
See Figure 5-4.
2
3. Remove the two flange nuts (and hex bolts)
which secure the hopper support bracket to
the impeller housing. Retain the hardware.
See Figure 5-5.
5
Figure 5-4
Figure 5-5