MTD Chipper CSV 020 User Manual

Safe Operation Practices • Set-Up • Operation • Maintenance • Service • Troubleshooting • Warranty  
OperatOrs Manual  
Chipper/Shredder Vacuum  
Model CSV 020  
WARNING  
READ AND FOLLOW ALL SAFETY RULES AND INSTRUCTIONS IN THIS MANUAL  
BEFORE ATTEMPTING TO OPERATE THIS MACHINE.  
FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.  
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019  
Printed In USA  
Form No. 769-08223  
(July 3, 2012)  
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Important Safe Operation Practices  
2
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!  
CALIFORNIA PROPOSITION 65  
WARNING: Engine Exhaust, some of its constituents, and certain vehicle components  
contain or emit chemicals known to State of California to cause cancer and birth defects  
or other reproductive harm.  
DANGER: This machine was built to be operated according to the safe operation practices 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 fingers, hands,  
toes and feet and throwing debris. Failure to observe the following safety instructions could  
result in serious injury or death.  
8.  
Never attempt to unclog either the feed intake or discharge  
opening, remove or empty bag, or inspect and repair the  
machine while the engine is running. Shut the engine off  
and wait until all moving parts have come to a complete  
stop. Disconnect the spark plug wire and ground it against  
the engine.  
Training  
1.  
Read, understand, and follow all instructions on the  
machine and in the manual(s) before attempting to  
assemble and operate. Keep this manual in a safe place for  
future and regular reference and for ordering replacement  
parts.  
Preparation  
2.  
3.  
Be familiar with all controls and their proper operation.  
Know how to stop the machine and disengage them  
quickly.  
1.  
2.  
3.  
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.  
Never allow children under 16 years of age to operate this  
machine. Children 16 and over should read and understand  
the instructions and safe operation practices in this manual  
and on the machine and be trained and supervised by an  
adult.  
Always wear safety glasses or safety goggles during  
operation and while performing an adjustment or repair,  
to protect your eyes. Thrown objects which ricochet can  
cause serious injury to the eyes.  
4.  
5.  
Never allow adults to operate this machine without proper  
instruction.  
Wear sturdy, rough-soled work shoes and close-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 leather work gloves when  
feeding material in the chipper chute.  
Keep bystanders, pets, and children at least 75 feet from  
the machine while it is in operation. Stop machine if  
anyone enters the area.  
6.  
7.  
Never run an engine indoors or in a poorly ventilated area.  
Engine exhaust contains carbon monoxide, an odorless  
and deadly gas.  
4.  
5.  
Before starting, check all bolts and screws for proper  
tightness to be sure the machine is in safe working  
condition. Also, visually inspect machine for any damage at  
frequent intervals.  
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.  
Maintain or replace safety and instructions labels, as  
necessary.  
3
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4.  
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:  
Safe Handling of Gasoline:  
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. Inspect for damage.  
1.  
2.  
Use only an approved gasoline container.  
b. Repair or replace any damaged parts.  
Never fill containers inside a vehicle or on a truck or trailer  
bed with a plastic liner. Always place containers on the  
ground away from your vehicle before filling.  
c. Check for any loose parts and tighten to assure  
continued safe operation.  
5.  
Do not allow an accumulation of processed material to  
build up in the discharge area. This can prevent proper  
discharge and result in kickback of material through the  
feed opening.  
3.  
When practical, remove gas-powered equipment from  
the truck or trailer and refuel it on the ground. If this is not  
possible, then refuel such equipment on a trailer with a  
portable container, rather than from a gasoline dispenser  
nozzle.  
6.  
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.  
4.  
5.  
Keep the nozzle in contact with the rim of the fuel tank or  
container opening at all times until fueling is complete. Do  
not use a nozzle lock-open device.  
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.  
Extinguish all cigarettes, cigars, pipes and other sources of  
ignition.  
6.  
7.  
Never fuel machine indoors.  
Never remove gas cap or add fuel while the engine is hot or  
running. Allow engine to cool at least two minutes before  
refueling.  
8.  
Never operate without vacuum bag and discharge chute  
properly attached to the machine. Never empty or change  
vacuum bag while the engine is running. Vacuum bag must  
be kept closed at all times during operation.  
8.  
Never over fill fuel tank. Fill tank to no more than ½  
inch below bottom of filler neck to allow space for fuel  
expansion.  
9.  
Never operate without either the inlet nozzle or optional  
hose attachment (if applicable) properly attached to  
the machine. Never attempt to attach or change either  
attachment while the engine is running.  
9.  
Replace gasoline cap and tighten securely.  
10. If gasoline is spilled, wipe it off the engine and equipment.  
Move unit to another area. Wait 5 minutes before starting  
the engine.  
10. Keep all guards, deflectors and safety devices in place and  
operating properly.  
11. To reduce fire hazards, keep machine free of grass, leaves,  
or other debris build-up. Clean up oil or fuel spillage and  
remove any fuel soaked debris.  
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 store the machine or fuel container inside where  
there is an open flame, spark or pilot light as on a water  
heater, space heater, furnace, clothes dryer or other gas  
appliances.  
12. Never operate this machine without good visibility or light.  
Always be sure of your footing and keep a firm hold on the  
handles.  
13. Do not operate this machine on a paved, gravel or non-  
level surface.  
Operation  
14. Do not operate this machine while under the influence of  
alcohol or drugs.  
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.  
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.  
2.  
3.  
Before starting the machine, make sure the chipper chute,  
feed intake, and cutting chamber are empty and free of all  
debris.  
17. If situations occur which are not covered in this manual, use  
care and good judgement. Contact Customer Support for  
assistance and the name of the nearest service dealer.  
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.  
4
Section 2 — important Safe operation practiceS  
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Maintenance & Storage  
Do not modify engine  
1.  
Never tamper with safety devices. Check their proper  
operation regularly.  
To avoid serious injury or death, do not modify engine in any  
way. Tampering with the governor setting can lead to a runaway  
engine and cause it to operate at unsafe speeds. Never tamper  
with factory setting of engine governor.  
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.  
Notice Regarding Emissions  
Engines which are certified to comply with California and federal  
EPA emission regulations for SORE (Small Off Road Equipment)  
are certified to operate on regular unleaded gasoline, and  
may include the following emission control systems: Engine  
Modification (EM), Oxidizing Catalyst (OC), Secondary Air  
Injection (SAI) and Three Way Catalyst (TWC) if so equipped.  
3.  
4.  
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.  
Do not change the engine governor settings or overspeed  
the engine. The governor controls the maximum safe  
operating speed of the engine.  
Spark Arrestor  
5.  
6.  
7.  
Maintain or replace safety and instruction labels, as  
necessary.  
WARNING: This machine is equipped with an  
internal combustion engine and should not be used  
on or near any unimproved forest-covered,  
brushcovered or grass-covered land unless the  
engine’s exhaust system is equipped with a spark  
arrestor meeting applicable local or state laws (if  
any).  
Follow this manual for safe loading, unloading,  
transporting, and storage of this machine.  
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.  
If a spark arrestor 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 arrestor 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.  
8.  
Allow machine to cool at least 5 minutes before storing.  
9.  
Always refer to the operator’s manual for proper  
instructions on off-season storage.  
10. If the fuel tank has to be drained, do this outdoors.  
11. Observe proper disposal laws and regulations for gas, oil,  
etc. to protect the environment.  
12. According to the Consumer Products Safety Commission  
(CPSC) and the U.S. Environmental Protection Agency (EPA),  
this product has an Average Useful Life of seven (7) years,  
or 60 hours of operation. At the end of the Average Useful  
Life have the machine inspected annually by an authorized  
service dealer to ensure that all mechanical and safety  
systems are working properly and not worn excessively.  
Failure to do so can result in accidents, injuries or death.  
Section 2 — important Safe operation practiceS  
5
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Safety Symbols  
This page depicts and describes safety symbols that may appear on this product. Read, understand, and follow all instructions on the  
machine before attempting to assemble and operate.  
Symbol  
Description  
READ THE OPERATOR’S MANUAL(S)  
Read, understand, and follow all instructions in the manual(s) before attempting to  
assemble and operate  
WARNING— ROTATING BLADES  
Keep hands out of inlet and discharge openings while machine is running. There are rotating  
blades inside  
BYSTANDERS  
Keep bystanders, pets, and children at least 75 feet from the machine while it is in operation.  
Stop machine if anyone enters the area.  
WARNING— THROWN OBJECTS  
This machine may pick up and throw and objects which can ricochet.  
EYE PROTECTION  
Always wear safety glasses or safety goggles when operating this machine.  
WARNING— GASOLINE IS FLAMMABLE  
Allow the engine to cool at least two minutes before refueling.  
WARNING— CARBON MONOXIDE  
Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon  
monoxide, an odorless and deadly gas.  
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.  
SAVE THESE INSTRUCTIONS!  
6
Section 2 — important Safe operation practiceS  
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Assembly & Set-Up  
3
Contents of Carton  
One Chipper/Shredder Vacuum  
One Upper and Lower Handle  
One Bottle of Oil  
One Operator’s Manual  
One Bag  
One Engine Operator’s Manual  
One Safety Glasses  
2.  
Unfold the upper handle until it aligns with lower handle.  
Make sure the rope guide is on the right side of upper  
handle. See Figure 3-2A.  
Assembly  
NOTE: This unit is shipped without gasoline or oil in the engine.  
Fill up gasoline and oil as instructed in the accompanying engine  
manual BEFORE operating your chipper shredder vacuum.  
Handle  
1.  
Remove the hairpin clips from the handle brackets and the  
carriage screws and wing nuts from the lower handle.  
a. Place the bottom holes in lower handle over the  
pins on the handle brackets with notch in handle  
pointing downwards and secure with hairpin clips.  
See Figure 3-1A.  
A
B
B
B
Figure 3-2  
3.  
Secure the two handles by tightening the star knobs  
(carriage bolts must be seated properly into the handle).  
See Figure 3-2B.  
A
Figure 3-1  
b. Insert carriage screws through upper hole in lower  
handle from the inside and secure with wing nuts.  
See Figure 3-1B.  
7
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4.  
Loosen the wing nut that secures the rope guide to the  
right side of upper handle.  
Bag  
1.  
Grasp bag handle with one hand and slide locking rod on  
mounting bracket with other hand toward engine. Use  
the end of mounting bracket as leverage when sliding the  
locking rod. See Figure 3-4.  
a. Slowly pull starter rope out of engine.  
b. Slip the starter rope into the rope guide.  
c. Tighten the wing nut. See Figure 3-3.  
3
C
A
2
B
1
4
Figure 3-4  
Figure 3-3  
2.  
Slip bag over the rim of the discharge opening and release  
locking rod to secure bag in place.  
3.  
4.  
Snap bag clip to the top of the lower handle.  
Place the lower straps on the bag over the top of lower  
handle, hooking them on the studs. See Figure 3-4.  
NOTE: The bag/chute switch button attached to the  
mounting bracket must be fully depressed by the tip of  
front tab on bag handle when securing the bag or engine  
will not start.  
8
Section 3 — ASSembly & Set-Up  
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Adjustments  
Set-Up  
Nozzle Height  
Gas and Oil Fill-Up  
The nozzle can be adjusted to any six positions, ranging from  
5/8” to 4 1/8” ground clearance. The nozzle height has to be  
adjusted according to chipper shredder conditions.  
Refer to the separate engine owner’s manual for additional  
engine information.  
1.  
Add oil provided before starting unit for the first time out  
of the box.  
1.  
Depress nozzle height adjustment lever towards wheel.  
See Figure 3-5.  
2.  
Service the engine with gasoline as instructed in the  
Engine manual.  
2
WARNING: Use extreme care when handling  
gasoline. Gasoline is extremely flammable and the  
vapors are explosive. Never fuel the machine  
indoors or while the engine is hot or running.  
Extinguish cigarettes, cigars, pipes and other  
sources of ignition.  
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.  
3
1
Figure 3-5  
2.  
3.  
Move the height adjustment lever forward or backward to  
adjust the nozzle upwards or downwards. Make sure both  
levers are in the same position.  
Release lever towards deck. See Figure 3-5.  
NOTE: In general, raise the nozzle height to vacuum a  
thick layer of leaves. Lower the nozzle height for smoother  
surfaces.  
Section 3 — ASSembly & Set-Up  
9
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Controls and Features  
4
Bag  
Recoil Starter  
Chipper Chute  
Nozzle  
Nozzle Height  
Adjustment Lever  
WARNING: The operation of any chipper shredder  
can result in foreign objects being thrown into the  
eyes, which can damage your eyes severely. Always  
wear the safety glasses provided with this unit or  
eye shields while operating or while performing any  
adjustments or repairs.  
Nozzle  
Yard waste such as leaves or pine needles can be vacuumed up  
through the nozzle for shredding.  
Bag  
Collects shredded material fed through the chipper chute or  
vacuumed through the nozzle.  
Chipper Chute  
Allows twigs and small branches up to 1-1/2” in diameter to be  
fed into the impeller for chipping.  
Recoil Starter  
The recoil starter is attached to the right upper handle. Stand  
behind unit and pull the recoil starter to start engine.  
Nozzle Height Adjustment Lever  
Used to adjust the nozzle ground clearance ranging  
approximately 5/8” to 4 1/8”.  
Engine Controls  
See the separate engine manual for the location and function of  
the controls on the engine.  
10  
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Operation  
5
5.  
Twist the two buttons on the back of the bag to unlock and  
empty contents. See Figure 5-2. Hold bag handle and bag  
clip while emptying the contents.  
Starting & Stopping Engine  
Refer to the Engine Operator’s manual packed with your chipper/  
shredder vacuum for instructions on starting and stopping the  
engine.  
To Empty Bag  
1.  
Unhook bag straps from the lower handle.  
2.  
Unsnap bag clip from the top of lower handle. See Figure  
5-1.  
Buttons  
2
Inner  
Flap  
Outer Flap  
4
Figure 5-2  
6.  
7.  
Compress bag opening and fold inner flap over opening.  
3
Fold outer flap over inner flap and insert buttons on the  
bag through metal outlets. See Figure 5-2.  
8.  
Twist the buttons to lock bag. Place bag back onto unit as  
instructed in Assembly & Set-Up.  
1
WARNING: Do not at any time make any  
adjustments without first stopping engine and  
disconnecting spark plug wire.  
Figure 5-1  
3.  
4.  
Grasp bag handle with one hand and pull lock rod on  
mounting bracket with other hand toward engine to  
release.  
WARNING: Do not attempt to shred, chip, or  
vacuum any material larger than specified on the  
machine or in this manual. Personal injury or  
damage to the machine could result.  
Lift bag off back of unit.  
IMPORTANT: The flail screen is located inside the housing in  
the discharge area. If the flail screen becomes clogged, remove  
and clean as instructed in Maintenance & Adjustments. For best  
performance, it is also important to keep the chipper blade  
sharp.  
11  
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Maintenance & Adjustments  
6
Equipment Care  
Maintenance  
Clean the chipper/shredder vacuum thoroughly after each  
use.  
General Recommendations  
Always observe safety rules when performing any  
maintenance.  
Wash bag periodically with water. Allow to dry thoroughly  
in shade.  
The warranty on this chipper/shredder vacuum 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.  
If the flail screen becomes clogged, remove and clean as  
instructed below.  
NOTE: Cleaning with a forceful spray of water is not  
recommended as it could contaminate the fuel system.  
Changing of engine-governed speed will void engine  
warranty.  
Engine Care  
All adjustments should be checked at least once each  
season.  
Refer to the Engine Operator’s Manual packed with your chipper/  
shredder vacuum for all engine maintenance.  
Periodically check all fasteners and make sure these are  
tight.  
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.  
WARNING: Always stop engine, disconnect spark  
plug, and ground against engine before performing  
any type of maintenance on your machine.  
Lubrication  
1.  
Lubricate each wheel shoulder screw (rear wheel) and pivot  
arm axle (front wheel) once a season with light oil.  
2.  
Lubricate the pivot points of the nozzle height adjustment  
levers once a season with light oil. See Figure 6-1.  
Figure 6-1  
3.  
4.  
Lubricate the locking rod with light oil to ease the  
application of attaching on or removing bag.  
Follow the separate engine manual packed with your unit  
for lubrication instructions.  
12  
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Removing the Flail Screen  
If the discharge area becomes clogged, remove the flail screen  
and clean area as follows:  
1.  
2.  
3.  
4.  
5.  
Stop the engine. Make certain the chipper/shredder  
vacuum has come to a complete stop.  
Before unclogging the discharge chute, disconnect and  
ground the spark plug wire to retaining post.  
Remove the vacuum bag from the unit as instructed in the  
OPERATION section to obtain access to flail screen.  
Remove self tapping screw on right side of unit that  
attaches to the flail screen. See Figure 6-2.  
Remove hex screw on top of rear housing near mounting  
bracket and the flange lock nut that secures flail screen.  
See Figure 6-2.  
6.  
7.  
Remove and clean the screen by scraping or washing with  
water. See Figure 6-3.  
Reinstall the screen.  
Figure 6-2  
Figure 6-3  
Section 6 — Maintenance & adjuStMentS  
13  
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Service  
7
Blade Care  
Front Support Brace/  
Lock Nut  
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.  
Bell  
Washer  
Pivot Arm  
Assembly  
Thrust  
Washer  
NOTE: When tipping the unit, empty the oil and fuel tank and  
keep engine spark plug side up.  
Shoulder  
Screw  
Wave  
Washer  
1.  
Disconnect and ground the spark plug wire to retaining  
post.  
2.  
3.  
Remove bag assembly.  
Remove the three hex cap screws holding the chipper  
chute to the upper housing. See Figure 7-1.  
Wheel  
Lock Nut  
Figure 7-2  
5.  
6.  
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.  
Remove the three screws on the upper housing that secure  
the nozzle cover. See Figure 7-3.  
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.  
Figure 7-3  
14  
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7.  
Carefully tilt and support the unit up to provide access  
underneath to the nozzle mounting hardware and impeller.  
Remove the three shoulder bolts securing the black plastic  
lower flail housing to the lower housing. Refer to Figure  
7-4.  
10. The nuts on the flat head cap screws can be reached  
from underneath using a 1/2-inch socket, universal, and  
extension. See Figure 7-6.  
Impeller  
Nuts  
Figure 7-6  
11. Replace or sharpen chipper blade. The blade can be  
sharpened with a file or on a grinding wheel.  
Figure 7-4  
8.  
Tilt top of black plastic lower flail housing toward the  
engine to remove.  
WARNING: The chipper blade is sharp. When  
sharpening blade, wear leather work gloves to  
protect your hands and follow the original angle of  
grind.  
9.  
Using a 3/16” allen wrench, remove the flat head cap  
screws 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 7-5.  
12. 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.  
Flat Head  
Cap Screws  
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.  
Chipper  
Blade  
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.  
Figure 7-5  
Section 7 — Service  
15  
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Troubleshooting  
8
Problem  
Cause  
Remedy  
Engine Fails to start  
1. Throttle lever (if equipped) not in correct  
starting position.  
1. Move throttle lever to FAST or START  
position.  
2. Engine switch (if equipped) in OFF position.  
3. Spark plug wire disconnected.  
2. Move engine switch to ON position.  
3. Connect wire to spark plug.  
4. Choke not in CHOKE position (if equipped).  
5. Fuel tank empty or stale fuel.  
4. Move choke lever to CHOKE position.  
5. Fill tank with clean, fresh gasoline.  
6. Turn on fuel shut-off valve.  
6. Fuel shut-off valve closed (if equipped).  
7. Faulty spark plug.  
7. Clean, adjust gap, or replace.  
8. Bag/chute switch button is not fully  
depressed.  
8. Make certain the bag is correctly secured,  
and the bag/chute switch button is fully  
depressed.  
Engine runs erratic  
1. Spark plug boot loose.  
1. Connect and tighten spark plug boot.  
2. Move choke lever to OFF position.  
2. Unit running on CHOKE (if equipped).  
3. Blocked fuel line or stale fuel.  
3. Clean fuel line; fill tank with clean, fresh  
gasoline.  
4. Low engine RPM.  
4. Always run engine at full throttle (if  
equipped).  
5. Water or dirt in fuel system.  
6. Dirty air cleaner.  
5. Drain fuel tank. Refill with fresh fuel.  
6. Refer to engine manual.  
7. Carburetor out of adjustment.  
7. See authorized service dealer.  
Engine overheats  
1. Engine oil level low.  
2. Dirty air cleaner.  
1. Fill crankcase with proper oil.  
2. Refer to engine manual.  
Occasional skips  
(hesitates) at  
high speed  
1. Spark plug gap too close.  
1. Remove spark plug and adjust gap to .030”.  
2. See authorized service dealer.  
2. Carburetor idle mixture adjustment  
improperly set.  
Excessive Vibration  
1. Loose parts or damaged impeller.  
1. Discharge area clogged.  
2. See authorized service dealer.  
Unit does not discharge  
1. Stop engine immediately and disconnect  
spark plug wire. Clean flail screen and inside  
of discharge opening.  
2. Foreign object lodged in impeller.  
2. Stop engine and disconnect spark plug wire.  
Remove lodged object.  
3. Low engine RPM.  
4. Vacuum bag is full.  
3. Always run engine at full throttle.  
4. Empty bag.  
Rate of discharge slows  
considerably or composition  
of discharged material  
changes  
1. Low engine RPM.  
2. Chipper blade dull.  
1. Always run engine at full throttle.  
2. Replace chipper blade or see your authorized  
service dealer.  
16  
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Replacement Parts  
9
Component  
Part Number and Description  
BS-799876  
Spark Plug  
BS-491588S  
BS-493537S †  
Air Filter Cartridge  
Pre-Cleaner  
BS-799585  
Fuel Cap  
BS-298090S †  
Fuel Filter  
664-04040  
Bag  
981-0490  
Chipper Blade  
719-0329  
Flail Blade (2 total)  
734-04563  
Wheel  
† If Equipped  
17  
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18  
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19  
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MANUFACTURER’S LIMITED WARRANTY FOR  
The limited warranty set forth below is given by MTD LLC with  
b. Log splitter pumps, valves, and cylinders have a separate one-  
year warranty.  
respect to new merchandise purchased and used in the United States  
and/or its territories and possessions, and by MTD Products Limited  
with respect to new merchandise purchased and used in Canada and/  
or its territories and possessions (either entity respectively, “MTD”).  
c. Routine maintenance items such as lubricants, filters, blade  
sharpening, tune-ups, brake adjustments, clutch adjustments,  
deck adjustments, and normal deterioration of the exterior finish  
due to use or exposure.  
This warranty is in addition to any applicable emissions warranty  
provided with your product.  
d. Service completed by someone other than an authorized service  
dealer.  
“MTD” warrants this product (excluding its Normal Wear Parts and  
Attachments as described below) against defects in material and  
workmanship for a period of two (2) years commencing on the date  
of original purchase and will, at its option, repair or replace, free of  
charge, any part found to be defective in materials or workmanship.  
This limited warranty shall only apply if this product has been  
operated and maintained in accordance with the Operator’s Manual  
furnished with the product, and has not been subject to misuse,  
abuse, commercial use, neglect, accident, improper maintenance,  
alteration, vandalism, theft, fire, water, or damage because of other  
peril or natural disaster. Damage resulting from the installation or use  
of any part, accessory or attachment not approved by MTD for use  
with the product(s) covered by this manual will void your warranty as  
to any resulting damage.  
e. MTD does not extend any warranty for products sold or exported  
outside of the United States and/or Canada, and their respective  
possessions and territories, except those sold through MTD’s  
authorized channels of export distribution.  
f. Replacement parts that are not genuine MTD parts.  
g. Transportation charges and service calls.  
h. MTD does not warrant this product for commercial use.  
No implied warranty, including any implied warranty of  
merchantability or fitness for a particular purpose, applies after  
the applicable period of express written warranty above as to the  
parts as identified. No other express warranty, whether written or  
oral, except as mentioned above, given by any person or entity,  
including a dealer or retailer, with respect to any product, shall  
bind MTD. During the period of the warranty, the exclusive remedy  
is repair or replacement of the product as set forth above.  
Normal Wear Parts are warranted to be free from defects in material  
and workmanship for a period of thirty (30) days from the date of  
purchase. Normal wear parts include, but are not limited to items  
such as: batteries, belts, blades, blade adapters, tines, grass bags,  
wheels, rider deck wheels, seats, snow thrower skid shoes, friction  
wheels, shave plates, auger spiral rubber and tires.  
The provisions as set forth in this warranty provide the sole and  
exclusive remedy arising from the sale. MTD shall not be liable  
for incidental or consequential loss or damage including, without  
limitation, expenses incurred for substitute or replacement lawn  
care services or for rental expenses to temporarily replace a  
warranted product.  
Attachments MTD warrants attachments for this product against  
defects in material and workmanship for a period of one (1) year,  
commencing on the date of the attachment’s original purchase or  
lease. Attachments include, but are not limited to items such as:  
grass collectors and mulch kits.  
Some states do not allow the exclusion or limitation of incidental  
or consequential damages, or limitations on how long an implied  
warranty lasts, so the above exclusions or limitations may not apply  
to you.  
HOW TO OBTAIN SERVICE: Warranty service is available, WITH  
PROOF OF PURCHASE, through your local authorized service dealer.  
To locate the dealer in your area:  
In no event shall recovery of any kind be greater than the amount of  
the purchase price of the product sold. Alteration of safety features of  
the product shall void this warranty. You assume the risk and liability  
for loss, damage, or injury to you and your property and/or to others  
and their property arising out of the misuse or inability to use the  
product.  
In the U.S.A.  
Check your Yellow Pages, or contact MTD LLC at P.O. Box 361131,  
Cleveland, Ohio 44136-0019, or call 1-800-800-7310, 1-330-220-  
.
In Canada  
This limited warranty shall not extend to anyone other than the  
original purchaser or to the person for whom it was purchased as a  
gift.  
Contact MTD Products Limited, Kitchener, ON N2G 4J1, or call 1-800-  
This limited warranty does not provide coverage in the following  
cases:  
HOW STATE LAW RELATES TO THIS WARRANTY: This limited  
warranty gives you specific legal rights, and you may also have other  
rights which vary from state to state.  
a. The engine or component parts thereof. These items may carry a  
separate manufacturer’s warranty. Refer to applicable manufac-  
turer’s warranty for terms and conditions.  
IMPORTANT: Owner must present Original Proof of Purchase to  
obtain warranty coverage.  
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019; Phone: 1-800-800-7310, 1-330-220-4683  
MTD Canada Limited - KITCHENER, ON N2G 4J1; Phone 1-800-668-1238  
GDOC-100015 REV. B  
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