Operator’s Manual
Chipper / Shredder
Models CS4210
CS4265
Model CS4210 Shown
IMPORTANT: Read safety rules and instructions carefully before operating equipment.
Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush-
covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state laws (if
any). If a spark arrester is used, it should be maintained in effective working order by the operator. In the State of California the above is required
by law (Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply on federal lands. A spark
arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department, P.O. Box 361131
Cleveland, Ohio 44136-0019.
TROY-BILT LLC. P.O. BOX 361131, CLEVELAND, OHIO 44136-0019
PRINTED IN U.S.A.
FORM NO. 769-00830A
(4/15/04)
SECTION 1: IMPORTANT SAFE OPERATION PRACTICES
WARNING: This symbol points out important safety instructions which, if not followed, could
endanger the personal safety and/or property of yourself and others. Read and follow all instructions in
this manual before attempting to operate this machine. Failure to comply with these instructions may
result in personal injury. When you see this symbol - heed its warning.
WARNING: The Engine Exhaust from this product contains chemicals known to the
State of California to cause cancer, birth defects or other reproductive harm.
DANGER: This machine was built to be operated according to the rules for safe operation in this
manual. As with any type of power equipment, carelessness or error on the part of the operator can
result in serious injury. This machine is capable of amputating hands and feet and throwing objects.
Failure to observe the following safety instructions could result in serious injury or death.
2. Always wear safety glasses or safety goggles
TRAINING
during operation or while performing an adjustment
1. Read, understand, and follow all instructions on the
or repair, to protect eyes. Thrown objects which
machine and in the manual(s) before attempting to
ricochet can cause serious injury to the eyes.
assemble and operate. Keep this manual in a safe
3. Wear sturdy, rough-soled work shoes and close-
place for future and regular reference and for
ordering replacement parts.
2. Be familiar with all controls and their proper
fitting slacks and shirts. Loose fitting clothes or
jewelry can be caught in movable parts. Never
operate this machine in bare feet or sandals. Wear
operation. Know how to stop the machine and
leather work gloves when feeding material in the
disengage them quickly.
chipper chute.
3. Never allow children under 16 years old to operate
4. Before starting, check all bolts and screws for
this machine. Children 16 years old and over
should read and understand the operation
proper tightness to be sure the machine is in safe
working condition. Also, visually inspect machine
instructions and safety rules in this manual and
for any damage at frequent intervals.
should be trained and supervised by a parent.
4. Never allow adults to operate this machine without
proper instruction.
5. Keep bystanders, helpers, pets, and children at
least 75 feet from the machine while it is in
operation. Stop machine if anyone enters the area.
6. Never run an engine indoors or in a poorly
ventilated area. Engine exhaust contains carbon
monoxide, an odorless and deadly gas.
7. Do not put hands and feet near rotating parts or in
5. Maintain or replace safety and instructions labels,
as necessary.
6. To avoid personal injury or property damage use
extreme care in handling gasoline. Gasoline is
extremely flammable and the vapors are explosive.
Serious personal injury can occur when gasoline is
spilled on yourself or your clothes which can ignite.
Wash your skin and change clothes immediately.
a. Use only an approved gasoline container.
b. Extinguish all cigarettes, cigars, pipes, and
the feeding chambers and discharge opening.
other sources of ignition.
Contact with the rotating impeller can amputate
fingers, hands, and feet.
8. Never attempt to unclog either the feed intake or
c. Never fuel machine indoors.
d. Never remove gas cap or add fuel while the
engine is hot or running.
discharge opening, remove or empty bag, or
e. Allow engine to cool at least two minutes
inspect and repair the machine while the engine is
before refueling.
running. Shut the engine off and wait until all
f. Never over fill fuel tank. Fill tank to no more
moving parts have come to a complete stop.
than 1/2 inch below bottom of filler neck to
Disconnect the spark plug wire and ground it
against the engine.
provide space for fuel expansion.
g. Replace gasoline cap and tighten securely.
h. If gasoline is spilled, wipe it off the engine
PREPARATION
and equipment. Move machine to another
area. Wait five (5) minutes before starting the
engine.
1. Thoroughly inspect the area where the equipment
is to be used. Remove all rocks, bottles, cans, or
other foreign objects which could be picked up or
thrown and cause personal injury or damage to the
machine.
3
i. Never store the machine or fuel container
inside where there is an open flame, spark,
or pilot light (e.g. furnace, water heater,
space heater, clothes dryer, etc.)
9. Never operate without the shredder hopper,
chipper chute, or chute deflector properly attached
to the machine. Never empty or change discharge
bag while the engine is running.
j. To reduce a fire hazard, keep machine free
of grass, leaves, or other debris build-up.
Clean up oil or fuel spillage and remove any
fuel soaked debris.
k. Allow machine to cool at least 5 minutes
before storing.
10. Keep all guards, deflectors and safety devices in
place and operating properly.
11. Keep your face and body back and to the side of
the chipper chute while feeding material into the
machine to avoid accidental kickback injuries.
12. Never operate this machine without good visibility
or light.
13. Do not operate this machine on a paved, gravel or
non-level surface.
14. Do not operate this machine while under the
influence of alcohol or drugs.
15. Muffler and engine become hot and can cause a
burn. Do not touch.
16. Never pick up or carry machine while the engine is
running.
OPERATION
1. Do not put hands and feet near rotating parts or in
the feeding chambers and discharge opening.
Contact with the rotating impeller can amputate
fingers, hands, and feet.
2. Before starting the machine, make sure the chipper
chute, feed intake, and cutting chamber are empty
and free of all debris.
3. Thoroughly inspect all material to be shredded and
remove any metal, rocks, bottles, cans, or other
foreign objects which could cause personal injury
or damage to the machine.
MAINTENANCE AND STORAGE
1. Never tamper with safety devices. Check their
proper operation regularly.
4. If it becomes necessary to push material through
the shredder hopper, use a small diameter stick. Do
not use your hands or feet.
5. If the impeller strikes a foreign object or if your
machine should start making an unusual noise or
vibration, immediately shut the engine off. Allow the
impeller to come to a complete stop. Disconnect
the spark plug wire, ground it against the engine
and perform the following steps:
2. Check bolts and screws for proper tightness at
frequent intervals to keep the machine in safe
working condition. Also, visually inspect machine
for any damage and repair, if needed.
3. Before cleaning, repairing, or inspecting, stop the
engine and make certain the impeller and all
moving parts have stopped. Disconnect the spark
plug wire and ground it against the engine to
prevent unintended starting.
a. Inspect for damage.
4. Do not change the engine governor settings or
overspeed the engine. The governor controls the
maximum safe operating speed of the engine.
5. Maintain or replace safety and instruction labels, as
necessary.
6. Follow this manual for safe loading, unloading,
transporting, and storage of this machine.
7. Never store the machine or fuel container inside
where there is an open flame, spark or pilot light
such as a water heater, furnace, clothes dryer, etc.
8. Always refer to the operator’s manual for proper
instructions on off-season storage.
b. Repair or replace any damaged parts.
c. Check for any loose parts and tighten to
assure continued safe operation.
6. Do not allow an accumulation of processed
material to build up in the reduction chamber. This
can prevent proper discharge and result in kickback
of material through the feed opening.
7. Do not attempt to shred or chip material larger than
specified on the machine or in this manual.
Personal injury or machine damage could result.
8. Never attempt to unclog either the feed intake or
discharge opening while the engine is running.
Shut the engine off, wait until all moving parts have
stopped, disconnect the spark plug wire and
ground it against the engine before clearing debris.
9. If the fuel tank has to be drained, do this outdoors.
10. Observe proper disposal laws and regulations for
gas, oil, etc. to protect the environment.
WARNING: - YOUR RESPONSIBILITY: Restrict the use of this power machine to persons who read,
understand and follow the warnings and instructions in this manual and on the machine.
4
SAFETY LABELS FOUND ON YOUR UNIT
SECTION 2: ASSEMBLING YOUR CHIPPER SHREDDER
IMPORTANT: This unit is shipped without gasoline or oil
in the engine. Be certain to service engine with gasoline
and oil as instructed in the Briggs & Stratton Owner/
Operator manual packed with your unit. before
operating your machine.
1.
Loose Parts In Carton
Spring Latch
Lock Rod
•
•
•
•
Tow Bar (Model CS4210 Only)
Debris Collection Bag
Safety Glasses
2.
Engine Oil
Lowering the Chipper Chute
For shipping reasons, the unit is crated with its chipper
chute in a raised position. To pivot it downward,
proceed as follows:
•
Pull the spring latch upward and gently pivot the
chipper chute down until it clicks into the lock rod.
See Figure 1.
Figure 1
WARNING: Never operate the chipper
shredder with the chipper chute in the raised
position. Doing so may result in property
damage or serious injury to the operator or
bystanders.
5
Attaching The Debris Collection Bag
Attaching The Tow Bar (Model CS4210 Only)
•
To attach the bag, place the opening of the bag
completely over the chute deflector.
Position the bag so that the wing knobs which
secure the chute deflector to the impeller housing
are completely covered.
•
To attach the tow bar, remove the spring pin and
clevis pin from the end of the tongue.
See Figure 3.
•
•
Pull on the drawstrap until the bag is tight around
chute deflector opening.
Spring Pin
Tongue
Base
Clevis Pin
Figure 3
•
•
Insert the tongue into the base. Reinsert the clevis
pin through aligning holes in both the tongue and
the base.
Debris Collection Bag
Figure 2
Fasten with the spring pin to secure.
SECTION 3: KNOW YOUR CHIPPER SHREDDER
Read this operator’s manual and safety rules before
operating your chipper shredder. Compare the
illustrations in Figure 4 with your unit to familiarize
yourself with the location of various controls and
adjustments. Save this manual for future reference.
Lock Rod
The lock rod is located on the chipper chute support. It
is used to release or lock the chipper chute in a lowered
position for operation. See Figure 4.
Chipper Chute
Branches up to 3” in diameter may be fed into the
Engine Controls
See the Briggs & Stratton Owner/Operator manual
packed with your unit. for the location and function of
the controls on the engine.
chipper chute for chipping. See Figure 4.
Hopper
Leaves, twigs and branches up to 1/2-inch in
diameter may be placed into the hopper for shredding.
See Figure 4.
Starter Handle
The starter handle is located on the engine. Pull the
starter handle to start engine. See Figure 4.
IMPORTANT: Never place branches with a diameter
greater than 1/2-inch in the hopper. Doing so can result
in serious damage to your unit’s shredder blade, flails
or impeller.
Spring Latch
The spring latch is located on the top of the hopper. It is
used to release or lock the chipper chute in a raised
position for storage or for transporting. See Figure 4.
Handle
WARNING: Never operate the chipper
shredder with the chipper chute in the raised
position. Use the spring latch to lower the
chipper chute into the operating position
before starting the engine.
Use the handle when manually transporting the chipper
shredder.
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Handle
Hopper
Chipper Chute
Spring Latch
Starter Handle
Chute Deflector
Wing Knob
Lock Rod
Two Bar
(Model CS4210 Only)
Figure 4
SECTION 4: OPERATING YOUR CHIPPER SHREDDER
WARNING: The operation of any chipper
shredder can result in foreign objects being
thrown. Always wear the safety glasses
provided with this unit or eye shields before
chipping or shredding and while performing
any adjustments or repairs.
•
Open fuel shut-off valve
(Model CS4210).
Move choke control lever to
CHOKE position (Models
CS4210 & CS4265).
•
OPEN
NOTE: (A warm engine may not require choking).
•
Move throttle control lever to FAST (rabbit) position
(Model CS4265).
Gas And Oil Fill-Up
Service the engine with gasoline and oil as instructed in
the separate engine manual packed with your chipper
shredder. Read instructions carefully.
WARNING: Never fill fuel tank indoors with
engine running or until the engine has been
allowed to cool for at least two minutes after
running.
Starting Engine
•
Attach spark plug wire to spark plug. Make certain
the metal cap on the end of the spark plug is
fastened securely over the metal tip on the spark
plug.
7
•
Grasp the starter handle and pull the rope out
slowly until resistance is felt. When it becomes
slightly harder to pull the rope, slowly allow the rope
to recoil. Then pull rope with a rapid, continuous,
full arm stroke. Keep a firm grip on starter handle.
Observe the following guidelines when shredding yard
debris:
•
Never attempt to shred material other than normal
yard debris (leaves, twigs, pine cones, etc.).
Avoid shredding fibrous plants such as tomato
vines until they are thoroughly dried out. Fresh
vines do not shred well and tend to wrap
themselves around the impeller and flails.
Place reasonable amounts of debris into the
hopper at a time. Do not overload the hopper.
Allow the material in the hopper to be drawn into
the blades and shredded before adding additional
debris to the hopper. Failure to due so may result in
a clogged hopper, clogged chute deflector or a
stalled engine.
•
NOTE: A “clanking” noise may be heard when pulling
the starter rope. It is completely normal and does NOT
indicate a malfunction of any kind.
•
•
•
•
Maintain a grip on the starter handle and allow the
rope to recoil slowly.
Repeat the previous steps until engine starts.
When engine starts, move choke control gradually
toward the RUN position until the engine is running
smoothly.
•
Avoid placing twigs longer than 24 inches into the
hopper. Twigs longer than 24 inches may result in a
clogged hopper.
WARNING: Never run the engine indoors or
in a poorly ventilated area. Engine exhaust
contains carbon monoxide, an odorless and
deadly gas.
IMPORTANT: Never place branches with a diameter
greater than 1/2-inch in the hopper. Doing so can result
in serious damage to your unit’s shredder blade, flails
or impeller.
Stopping Engine
•
Move throttle control lever to STOP position (Model
CS4265) or push rocker switch to OFF (Model
CS4210). See Figure 5.
Clearing the Hopper
Should the hopper become clogged with debris during
operation, proceed as follows:
•
Grasp the handle with both hands and gently
agitate the chipper shredder to help loosen debris,
drawing it into the impeller.
If the clog does not clear, proceed as follows:
•
•
Stop engine.
Use your hands to remove any debris found near
the top of the hopper.
•
Use a branch (or other available device, i.e.
broomstick) to dislodge debris located toward the
base of the hopper.
•
Restart engine.
NOTE: If you’re unable to pull the starter rope as a
result of accumulated debris near the impeller, follow
instructions under the heading Cleaning the Reduction
Chamber.
Figure 5
Chipping
NOTE: See your engine manual packed with your unit
for more detailed instructions.
WARNING: Never operate the chipper
shredder without chipper chute lowered into
the operating position.
CAUTION: Never stop the engine by moving
the choke lever into the CHOKE position.
Backfire, fire or engine damage could result.
Branches up to 3” in diameter can be fed into the
chipper chute. See Figure 4. Observe the following
guidelines when chipping branches:
Operating the Chipper Shredder
•
•
•
Keep both hands firmly on the branch as you feed it
into the chipper chute.
Never feed more than one branch into the chipper
chute at a time.
Never feed anything other than branches (or wood)
into the chipper chute.
Shredding
Yard waste such as leaves and pine needles can be
placed in the hopper for shredding. After material has
been processed by the shredder blade and flails, it will
be forced out of the chute deflector, and, if attached,
into a debris collection bag.
8
•
Apply intermittent pressure (force, in short pulses)
while feeding larger (2- 3-inch diameter) branches
into the chipper chute, to avoid bogging or stalling
the engine.
Locking Buckle
IMPORTANT: Never feed branches with a diameter
greater than three (3) inches into the chipper chute.
Doing so can result in serious damage to your unit’s
chipper blades, flails or impeller.
NOTE: For best performance, always operate the unit
with sharp chipper blades. If a noticeable loss in
performance is encountered while chipping branches,
the chipper blades should be replaced.
Emptying the Debris Collection Bag
•
•
Stop engine.
Squeeze the locking buckle release the bag’s
drawstrap before loosening it from the chute
deflector. See Figure 6.
Figure 6
•
Empty the bag and reattach to the chute deflector
opening. Refer to Figure 2.
SECTION 5: MAINTAINING YOUR CHIPPER SHREDDER
Customer Responsibilities
MAINTENANCE
SCHEDULE
SERVICE
DATES
Lube Spring Latch
Lube Chipper Chute Hinge
Lube Chute Deflector
Inspect Chipper Blades
Inspect Shredder Blade
Inspect for Loose Hardware
Check Oil Level
Change Oil
Clean Air Filter Precleaner
Clean Engine
Check Spark Plug
WARNING: Always stop engine, disconnect
spark plug, and ground against engine before
cleaning, lubricating or doing any kind of
maintenance on your machine.
Lubrication
Chipper Chute Hinge: Lubricate the hinge a with light
oil once a season.
9
Chute Deflector: Lubricate the pivot points on the
chute deflector with light oil once a season.
Chute
Deflector
Engine: Refer to the Briggs & Stratton Owner/Operator
manual packed with your unit for lubrication
instructions.
Shredder
Screen
Hairpin
Clip
Housing
Maintenance
Engine
Refer to the Maintenance section of the Briggs &
Stratton Owner/Operator manual packed with your unit.
Read and follow instructions carefully
Clevis
Pin
•
Check engine oil level before each use as
Wing Knobs
Figure 8
instructed in the separate engine manual.
Reduction
Chamber
•
Clean air cleaner’s precleaner every 25 hours
under normal conditions. Clean every few hours
under extremely dusty conditions. Replace the air
cleaner cartridge once a season. To service the
air cleaner, refer to the separate engine manual.
The spark plug should be cleaned and the gap
reset once a season. Refer to the separate engine
manual for correct plug type and gap specifications.
•
•
•
Confirm that the spark plug wire is disconnected
and away from spark plug.
•
Pull on the starter rope two-to-three times to purge
any remaining debris from the reduction chamber
When the area is cleaned, pivot the shredder
screen downward and re-secure with the clevis pin
and hairpin clip removed earlier.
Chipper Shredder
Before each use, visually inspect your chipper shredder
for loose (or missing) nuts and bolts. Securely tighten
(or replace) all hardware before operating the chipper
shredder.
•
Reattach the debris collection bag to the chute
deflector, if desired.
Replacing the Chipper Blades
Cleaning the Reduction Chamber
WARNING: The impeller’s chipper blades are
sharp. Wear leather work gloves to protect
your hands.
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.
•
•
•
Stop the engine and make certain the chipper
shredder has come to a complete stop.
Disconnect spark plug wire and keep away from
spark plug.
Pivot the shredder screen upward as instructed
under the heading Cleaning 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:
•
Stop the engine and wait until all moving parts have
come to a complete stop.
•
•
•
•
Remove the chipper chute support brace from the
frame by removing the two hex bolts and saddle
washers which secure it. See Figure 9.
Remove the chipper chute by removing three hex
nuts and washers which secure it to the impeller
housing. See Figure 9.
Rotate the impeller by hand until one of the two
chipper blades is visible through the impeller
housing opening.
•
Disconnect spark plug wire and keep away from
spark plug.
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.
•
•
•
Remove the two wing knobs on either side of the
chute deflector and pivot the chute deflector
upward. See Figure 8.
Remove the hairpin clip from the clevis pin which
extends through the housing and shredder screen.
See Figure 8. Retain the clevis pin and hairpin clip.
Pivot the shredder screen upward and clean the
surrounding area by scraping away debris.
Remove the blade by removing the internal hex
screws, lock washers and hex nuts which secure it
to the impeller. Retain the hardware.
10
Chipper Blade
Lock Washer & Nut
Support
Bracket
Flange Nuts
Support Brace
Impeller
Internal
Hex Screw
Hex Bolts &
Saddle Washers
Figure 9
Figure 10
Chute Deflector
NOTE: Use a 3/16” hex key (Allen) wrench on the
outside of the blade and a 1/2” box (or socket) wrench
on the inside of the impeller. See Figure 9. Hold the
Allen wrench stationary and rotate the box (or socket)
wrench to loosen the nut.
Shredder
Blade
Internal
Hex Screws
•
Install a replacement blade (Part No. 742-0544)
with the hardware removed earlier.
Flange
Nuts
IMPORTANT: Make certain blades are reassembled with
the sharp edge outward (toward the chipper chute).
Torque hardware to between 20 ft.-lbs and 25 ft.-lbs.
Impeller
Inlet
Guide
•
To replace the other blade, rotate the impeller to
expose the second blade and repeat the steps
above.
Hex Bolt, Lock Washer
& Flat Washer
Weld Studs
Replacing the Shredder Blade
Figure 11
WARNING: The impeller’s chipper blades are
sharp. Wear leather work gloves to protect
your hands.
•
Remove the two internal hex screws which secure
the shredder blade to the impeller. See Figure 11.
•
•
Stop the engine and make certain that all moving
parts have come to a complete stop.
NOTE: Use a 3/16” hex key (Allen) wrench on the
outside of the shredder blade and a 1/2” box (or socket)
wrench on the inside of the shredder blade. See Figure
11. Hold the Allen wrench stationary and rotate the box
(or socket) wrench to loosen the nut.
Remove the two flange nuts (and hex bolts) which
secure the hopper support bracket to the impeller
housing. Retain the hardware. See Figure 10.
Pivot the shredder screen upward as instructed
under the heading Cleaning the Reduction
Chamber.
Remove the six flange nuts which secure the
hopper inlet guide to the impeller housing. See
Figure 11.
Carefully separate the hopper assembly from the
impeller housing and set it aside.
Insert a piece of wood into the chute deflector
opening to stabilize the impeller and prevent it from
rotating when removing the shredder blade.
•
•
•
Remove the hex bolt, lock washer, and flat washer
to completely free the shredder blade.
IMPORTANT: If sharpening the blade for reuse, follow
the original angle of grind as a guide. Make certain
each cutting edge receives an equal amount of grinding
to prevent an unbalanced blade. Remove metal from
the heavy side until it is balanced evenly.
•
•
IMPORTANT: When reassembling the blade, tighten
center bolt to between 45 ft.-lbs and 60 ft.-lbs and the
two out bolts to between 20 ft.-lbs and 25 ft.-lbs.
11
Storing Your Chipper Shredder
•
•
•
Clean the equipment thoroughly.
Wipe equipment with an oiled rag to prevent rust.
Refer to engine manual for correct engine storage
instructions
•
Store unit in a clean, dry area. Do not store next to
corrosive materials such as fertilizer.
SECTION 6: TROUBLESHOOTING
Problem
Cause
Remedy
Engine fails to start
1. Spark plug wire disconnected.
2. Fuel tank empty or stale fuel.
3. Throttle control lever (if equipped)
not in correct starting position.
4. Choke not in CHOKE position.
(If Equipped)
1. Connect wire to spark plug.
2. Fill tank with clean, fresh gasoline.
3. Move throttle lever to FAST position.
4. Move choke to CHOKE position.
5. Blocked fuel line.
6. Faulty spark plug.
5. Clean fuel line.
6. Clean, adjust gap, or replace.
Engine runs erratic
1. Spark plug wire loose.
2. Unit running on CHOKE.
3. Blocked fuel line or stale fuel.
1. Connect and tighten spark plug wire.
2. Move choke lever to OFF position.
3. Clean fuel line; fill tank with clean, fresh
gasoline.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
6. Carburetor out of adjustment.
4. Drain fuel tank. Refill with fresh fuel.
5. Clean or replace air cleaner.
6. See authorized service dealer.
Too much vibration
Engine overheats
1. Loose parts or damaged impeller.
1. See authorized service dealer.
1. Engine oil level low.
2. Dirty air cleaner.
3. Carburetor not adjusted properly.
1. Fill crankcase with proper oil.
2. Clean or replace air cleaner.
3. See authorized service dealer.
Occasionalskip(hesitates) 1. Spark plug gap too close.
at high speed
1. Adjust gap to.030” (0.76 mm).
Unit does not discharge
1. Chute deflector clogged.
1. Stop engine immediately and
disconnect spark plug wire. Clean flail
screen and inside of discharge opening.
2. Stop engine and disconnect spark plug
wire. Remove lodged object.
2. Foreign object lodged in impeller.
3. Low engine RPM.
1. Low engine RPM.
3. Always run engine at full throttle.
Rate of discharge slows
considerably or
1. Always run engine with the throttle (if so
equipped) in the FAST position.
composition of discharged 2. Chipper blade dull.
material changes
2. Replace chipper blade or see your
authorized service dealer.
NOTE: For repairs beyond the minor adjustments listed above, contact your nearest authorized service dealer.
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