MTD 24A 020D401 User Manual

OPERATOR’S MANUAL  
Chipper Shredder  
Vacuum  
Model Number  
24A-020D401  
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY  
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 368022 Cleveland, Ohio 44136-9722.  
MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722  
770-10197Am  
(3/00)  
PRINTED IN U.S.A.  
FORM NO.  
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.  
thrown and cause personal injury or damage to the  
machine.  
TRAINING  
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.  
Always wear safety glasses or safety goggles  
during operation or while performing an adjustment  
or repair, to protect eyes. Thrown objects which  
ricochet can cause serious injury to the eyes.  
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.  
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.  
Maintain or replace safety and instructions labels,  
as necessary.  
Be familiar with all controls and their proper  
operation. Know how to stop the machine and  
disengage them quickly.  
Never allow children under 16 years old to operate  
this machine. Children 16 years old and over  
should read and understand the operation  
instructions and safety rules in this manual and  
should be trained and supervised by a parent.  
Never allow adults to operate this machine without  
proper instruction.  
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.  
Never run an engine indoors or in a poorly  
ventilated area. Engine exhaust contains carbon  
monoxide, an odorless and deadly gas.  
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.  
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.  
• Use only an approved gasoline container.  
• Extinguish all cigarettes, cigars, pipes, and other  
sources of ignition.  
Never attempt to unclog either the feed intake or  
discharge opening, remove or empty vacuum 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.  
• Never fuel machine indoors.  
• Never remove gas cap or add while the engine is hot  
or running.  
• Allow engine to cool at least two minutes before  
refueling.  
• Never over fill fuel tank. Fill tank to no more than 1/2  
inch below bottom of filler neck to provide space for  
fuel expansion.  
PREPARATION  
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  
• Replace gasoline cap and tighten securely.  
• If gasoline is spilled, wipe it off the engine and  
equipment. Move machine to another area. Wait 5  
minutes before starting the engine.  
3
• 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.)  
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.  
Never operate this machine without good visibility  
or light. Always be sure of your footing and keep a  
firm hold on the handles.  
Do not operate this machine on a gravel surface.  
Do not operate this machine while under the  
influence of alcohol or drugs.  
• To reduce a fire hazard, keep machine free of grass,  
leaves, or other debris build-up. Clean up oil fuel  
spillage and remove any fuel soaked debris.  
• Allow machine to cool at least 5 minutes before  
storing.  
Muffler and engine become hot and can cause a  
burn. Do not touch.  
Never pick up or carry machine while the engine is  
running.  
OPERATION  
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.  
MAINTENANCE AND STORAGE  
Before starting the machine, make sure the chipper  
chute, feed intake, and cutting chamber are empty  
and free of all debris.  
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.  
Never tamper with safety devices. Check their  
proper operation regularly.  
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.  
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.  
Maintain or replace safety and instruction labels, as  
necessary.  
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.  
Always refer to the operator’s manual for proper  
instructions on off-season storage.  
If the fuel tank has to be drained, do this outdoors.  
Observe proper disposal laws and regulations for  
gas, oil, etc. to protect the environment.  
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:  
• Inspect for damage.  
• Repair or replace any damaged parts.  
• Check for any loose parts and tighten to assure  
continued safe operation.  
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.  
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.  
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.  
Never operate without vacuum bag and discharge  
chute properly attached to the machine. Never  
empty or change vacuum bag while the engine is  
running. Zippered end of vacuum bag must be kept  
closed at all times during operation.  
Never operate without either the inlet nozzle or  
optional hose attachment properly attached to the  
machine. Never attempt to attach or change either  
attachment while the engine is running.  
Keep all guards, deflectors and safety devices in  
place and operating properly.  
4
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.  
NOTE: Not all safety labels shown may apply to your chipper shredder vacuum.  
SECTION 2: ASSEMBLING YOUR CHIPPER SHREDDER VACUUM  
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 separate engine manual  
before operating your machine.  
Upper  
Handle  
Rope  
Guide  
NOTE: Reference to right or left hand side of the  
chipper shredder vacuum is observed from the  
operating position.  
Blower Chute  
Wing  
Nut  
Removing Unit From Carton  
Remove staples, break glue on top flaps, or cut  
tape at carton end and peel along top flap to open  
carton.  
Wing  
Nuts  
Remove loose parts if included with unit (i.e.,  
operator’s manual, etc.)  
Cut along corners, lay carton down flat, and remove  
packing material.  
Roll or slide unit out of carton and check carton  
thoroughly for loose parts.  
Bag  
Lower  
Handle  
Loose Parts In Carton (See Figure 1)  
Handle Assembly  
Bag  
Blower Chute (If Equipped)  
Wing  
Nuts  
Disconnecting Spark Plug Wire  
Before setting up your chipper shredder vacuum,  
disconnect the spark plug wire from the spark plug and  
ground to a stud on the engine.  
Carriage  
Screw  
Figure 1  
5
Attaching The Handle  
Lower  
Handle  
Unfold the upper handle until it aligns with the lower  
handle.  
Secure the two handles by tightening the wing nuts  
(carriage bolts must be seated properly into the  
handle).  
Bag  
Handle  
Bag  
Clip  
Stud  
Remove the hairpin clips from the handle brackets  
on the chipper shredder vacuum and remove the  
carriage bolts and wing nuts from the lower handle.  
See Figure 2.  
Locking  
Rod  
Front  
Tab  
Place each bottom hole in lower handle over pins  
on handle brackets and secure with hairpin clips.  
Insert carriage bolts thru upper hole in lower handle  
from the outside and secure with wing nuts.  
Strap  
Front  
Tab  
To Engine  
Lower  
Wing Nuts  
Handle  
Safety  
Switch  
Carriage  
Bolt  
Stud  
Hairpin  
Pin  
Clip  
Figure 3  
Handle  
Brackets  
Attaching The Blower Chute (If Equipped)  
Grasp blower chute with one hand and pull locking  
rod on mounting bracket with other hand toward  
engine. See Figure 4.  
Figure 2  
Loosen the wing nut that secures the rope guide to  
the right side of upper handle.  
Pull the starter rope out of the engine slowly and  
slip the starter rope into the rope guide. Tighten the  
wing nut.  
Slip blower chute over rim of the discharge opening  
and release locking rod to secure chute in place.  
Make sure the safety switch button is fully  
depressed by the front tab on the blower chute.  
Raise the nozzle height to the highest setting when  
using the blower chute. Refer to nozzle height  
adjustment in the OPERATION section.  
Attaching The Bag  
Grasp bag handle with one hand and pull locking  
rod on mounting bracket with other hand toward  
engine. See Figure 3.  
Front  
Tab  
Blower  
Chute  
Slip bag over the rim of the discharge opening and  
release locking rod to secure bag in place.  
Place the straps on the bag over the lower handle,  
hooking them on the studs.  
Front  
Tab  
Snap bag clip to the top of the lower handle.  
NOTE: The safety switch button attached to the  
mounting bracket must be fully depressed by the front  
tab on the bag handle when securing the bag or the  
engine will not start.  
Safety  
Switch  
Locking  
Rod  
Figure 4  
6
SECTION 3: KNOW YOUR CHIPPER SHREDDER VACUUM  
Starter  
Handle  
Bag  
Bag Handle  
Nozzle Height  
Adjustment Lever  
Chipper  
Chute  
Nozzle  
Blower Chute  
Figure 5  
Read this operator’s manual and safety rules before  
operating your chipper shredder vacuum. Compare the  
illustrations in Figure 5 with your unit to familiarize  
yourself with the location of various controls and  
adjustments. Save this manual for future reference.  
Nozzle Height Adjustment Lever  
Used to adjust the nozzle ground clearance ranging  
approximately 5/8” to 3 3/4”.  
Nozzle  
Yard waste such as leaves and pine needles can be  
vacuumed up through the nozzle for shredding.  
Starter Handle  
The starter handle is attached to the right upper handle.  
Stand behind unit and pull the starter handle to start  
engine. See Figure 5.  
Throttle Control Lever (Not Shown)  
The throttle control lever is located on the engine. It  
controls the engine’s speed and stops the engine. See  
separate engine manual packed with unit for details.  
Bag  
Collects shredded material fed through the chipper  
chute or vacuumed through the nozzle. See Figure 5.  
Engine Controls  
See the separate engine manual for the location and  
function of the controls on the engine.  
Bag Handle  
Used to grasp bag in order to assist in attaching,  
removing, and emptying bag. See Figure 5.  
Stopping Engine  
Chipper Chute  
Move throttle control lever to STOP or OFF  
position.  
Allow twigs and small branches up to 1 1/2” in diameter  
to be fed into the impeller for chipping. See Figure 5.  
Disconnect spark plug wire from spark plug and  
ground against the engine.  
Blower Chute (If Equipped)  
When attached to unit the blower chute is used to blow  
or scatter yard waste such as leaves, pine needles, or  
small twigs across yard. See Figure 5.  
7
SECTION 4: OPERATING YOUR CHIPPER SHREDDER VACUUM  
WARNING: The operation of any chipper  
shredder vacuum 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 before chipping or  
blowing and while performing any  
adjustments or repairs.  
Grasp bag handle with one hand and pull lock rod  
on mounting bracket with other hand toward engine  
to release.  
Remove bag from rim of the discharge opening.  
Refer to Figure 3.  
Twist the two buttons on the back of the bag to  
unlock and empty contents. See Figure 6.  
Hold bag handle and bag clip while emptying the  
contents.  
Compress bag opening and fold inner flap over  
opening.  
Gas And Oil Fill-Up  
Service the engine with gasoline and oil as instructed in  
the separate engine manual packed with your chipper  
shredder vacuum. Read instructions carefully.  
Fold outer flap over inner flap and insert buttons on  
the bag through metal outlets.  
Twist the buttons to lock bag.  
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.  
Buttons  
Starting Engine  
Bag Clip  
Inner Flap  
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.  
Bag Handle  
Make sure safety switch wire is connected to  
engine and properly grounded.  
Engines with choke lever:  
Outer Flap  
Move choke lever on engine to CHOKE position. (A  
warm engine may not require choking).  
Engines with primer:  
Strap  
Prime engine as instructed in separate engine  
manual.  
The throttle control is located on the engine. Move  
engine throttle control lever to FAST or ON position.  
Stand behind unit, grasp starter handle and pull  
rope out slowly until engine reaches start of  
compression cycle (rope will pull slightly harder at  
this point).  
Pull rope with a rapid, continuous, full arm stroke.  
Keep a firm grip on starter handle. Let rope rewind  
slowly.  
Figure 6  
To Remove Blower Chute (If Equipped)  
Grasp blower chute with one hand and pull lock rod  
on mounting bracket with other hand toward engine  
to release. Refer to Figure 4.  
Remove blower chute from rim of the discharge  
opening.  
Repeat previous steps until engine fires. When  
engine starts, move choke control (if equipped)  
gradually to RUN position.  
Using the Chipper Shredder Vacuum  
WARNING: Never run the engine indoors  
or in a poorly ventilated area. Engine  
exhaust contains carbon monoxide, an  
odorless and deadly gas.  
Place both hands on top of upper handle to push unit  
over yard waste. Yard waste such as leaves and pine  
needles can be vacuumed up through the nozzle for  
shredding. After material has been shredded by the flail  
blades on the impeller assembly, it will be discharged  
into catcher bag or through blower chute. Do not  
attempt to shred or chip any material other than  
vegetation found in a normal yard (i.e. branches,  
leaves, twigs, etc.) Avoid fibrous plants such as tomato  
To Empty Bag  
Unhook bag straps from the lower handle and  
unsnap bag clip from the top of lower handle.  
See Figure 6.  
8
vines until they are thoroughly dried out. Materials such  
as stalks or heavy branches up to 1 1/2” in diameter  
may be fed into the chipper chute. See Figure 7.  
WARNING: Do not at any time make any  
adjustments without first stopping engine  
and disconnecting spark plug wire.  
Nozzle Height Adjustment  
The nozzle can be adjusted to any five positions,  
ranging from 5/8” to 3 3/4” ground clearance. The  
nozzle height has to be adjusted according to the  
conditions. Move the height adjustment levers forward  
or backward to adjust the nozzle upwards or  
downwards. See Figure 8.  
NOTE: In general, raise the nozzle height to vacuum a  
think layer of leaves or to operate with the blower chute  
and lower the nozzle height for smoother surfaces.  
Chipper  
Chute  
Nozzle  
Figure 7  
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  
SECTION 5: MAINTAINING YOUR CHIPPER  
SHREDDER VACUUM. For best performance, it is also  
important to keep the chipper blade sharp.  
Height  
Adjustment  
Lever  
Nozzle  
Figure 8  
SECTION 5: MAINTAINING YOUR CHIPPER SHREDDER VACUUM  
Customer Responsibilities  
MAINTENANCE  
SCHEDULE  
SERVICE  
DATES  
Lubricate Wheels  
Lubricate Nozzle Levers  
Lubricate Locking Rod  
Check Chipper Blade  
Change Oil  
Check Air Filter  
Clean Engine  
Check Spark Plug  
9
WARNING: Always stop engine and  
disconnect spark plug wire before  
cleaning, lubricating or doing any kind of  
maintenance on your machine.  
Removing The Flail Screen  
If the discharge area becomes clogged, remove the flail  
screen and clean area as follows:  
Stop the engine and make certain the chipper  
shredder vacuum has come to a complete stop.  
Disconnect spark plug wire from spark plug and  
ground against the engine.  
Remove the bag or blower chute from the unit as  
instructed in the OPERATION section to obtain  
access to flail screen. See Figure 10.  
Lubrication  
Wheels: Lubricate each wheel shoulder screw once a  
season with light oil. See Figure 9.  
Nozzle height adjustment levers: Lubricate the pivot  
points of the nozzle height adjustment levers once a  
season with light oil. See Figure 9.  
Hex Screw &  
Flat Washer  
Engine: Follow the separate engine manual packed  
with you unit for lubrication instructions.  
Lubricate  
Lock Nut  
Flail Screen  
Figure 10  
Remove hex screw on right side of unit that  
attaches to the fail screen. See Figure 11.  
Remove hex screw and flat washer on top of rear  
housing mounting bracket and the lock nut that  
secures flail screen. See Figure 10.  
Remove and clean the screen by scraping or  
washing with water. Reinstall the flail screen.  
Figure 9  
Maintenance  
Engine  
Refer to the separate engine manual for all engine  
maintenance instructions.  
Check engine oil level before each use as  
instructed in the separate engine manual packed  
with your unit. Read and follow instructions  
carefully.  
Clean air cleaner every 25 hours under normal  
conditions or once a season. Clean every few hours  
under extremely dusty conditions. To service the air  
cleaner, refer to the separate engine manual  
packed with your unit.  
Remove  
Hex Screw  
Figure 11  
Sharpening Or Replacing Chipper Blade  
Because the engine on this unit has a tapered  
crankshaft, a special impeller tool (part number 753-  
0638) is required to remove the impeller assembly. For  
further assistance, contact your local service dealer.  
The spark plug should be cleaned and the gap  
reset once a season. Check engine manual for  
correct plug type and gap specifications.  
10  
NOTE: When tipping the unit, empty the fuel tank and  
keep spark plug side up.  
Remove lock nut that secures flail screen to the  
lower housing. The flail screen does not have to be  
removed.  
Remove the hex bolt, lock washer, and flat washer  
that secure the impeller assembly to the crankshaft.  
See Figure 14.  
Disconnect the spark plug wire and ground it away  
from the spark plug.  
Remove the front hubcaps, shoulder screws, wave  
washers, and bell washers that attach to the front  
wheels. See Figure 12.  
Remove the shoulder screws that go through the  
pivot arms and height bracket adjusters to the front  
support brace.  
Upper  
Housing  
Chipper  
Blade  
Impeller  
Assembly  
Hex Bolt  
Lock Washer  
Flat Washer  
Pivot  
Arm  
Bell  
Washer  
Shoulder  
Screw  
Flail  
Blade  
Hubcap  
BOTTOM VIEW  
Figure 14  
Height  
Bracket  
Adjuster  
Shoulder  
Screw  
Apply lubricant to the threads of impeller removal  
tool and then thread the tool into the crankshaft.  
Stop when the impeller assembly can move on the  
crankshaft.  
Wave Washer  
Figure 12  
Remove the impeller assembly from the crankshaft.  
Unthread the impeller removal tool from the  
impeller assembly.  
Remove the blade using a 3/16allen wrench on  
the outside of the blade and 1/2wrench on the  
impeller assembly.  
Remove the three screws on the upper housing  
that secure the nozzle cover and the nine screws  
that secure the lower housing the upper housing.  
See Figure 13.  
Replace or sharpen chipper blade.  
When sharpening blade, protect hands by using  
gloves and follow the original angle of grind.  
Reassemble by performing the previous steps in  
reverse order.  
Tighten blade screws to 210-250 in-lbs.  
Tighten impeller bolt to 375-425 in-lbs.  
Storing Your Chipper Shredder Vacuum  
Clean the equipment thoroughly.  
Wipe equipment with a oiled rag to prevent rust.  
Refer to engine manual for correct engine storage  
instructions  
Lower  
Housing  
Screws  
Store unit in a clean, dry area. Do not store next to  
corrosive materials such as fertilizer.  
Nozzle  
Screws  
Figure 13  
11  
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 not in correct  
starting position. (If Equipped)  
4. Choke not in CHOKE position.  
5. Blocked fuel line.  
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. Clean fuel line.  
6. Faulty spark plug.  
6. Clean, adjust gap, or replace.  
Engine runs erratic  
1. Spark plug wire loose.  
2. Unit running on CHOKE.  
1. Connect and tighten spark plug wire.  
2. Move choke lever (if equipped) to OFF  
position.  
3. Blocked fuel line or stale fuel.  
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.  
Occasional skip (hesitates) 1. Spark plug gap too close.  
at high speed  
1. Adjust gap to .030.  
Unit does not discharge  
1. Discharge chute 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  
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.  
NOTE: For repairs beyond the minor adjustments listed above, contact your nearest authorized service dealer.  
12  
NOTES  
13  
Model 24A-020D401  
1
40  
2
3
41  
4
39  
5
12  
11  
6
8
10  
7
9
14  
13  
13  
17  
19  
18  
15  
7
16  
20  
5
7
21  
23  
16  
22  
25  
24  
26  
27  
28  
30  
31  
29  
32  
33  
34  
35  
36  
36  
37  
38  
36  
14  
Model 24A-020D401  
Ref.  
Ref.  
No.  
Part No.  
No.  
Part Description  
Switch Cover  
Part No.  
781-0490  
Part Description  
Chipper Blade  
1.  
2.  
725-1700  
725-3166  
710-0224  
629-0920  
710-0604  
714-0104  
736-0264  
732-0962  
781-0778  
747-1153  
710-3008  
681-0122  
726-0454  
736-0607  
710-0502A  
710-0969  
710-3195  
710-3025  
710-0604A  
781-0720  
710-1054  
22.  
23.  
24.  
25.  
26.  
27.  
28.  
29.  
30.  
31.  
32.  
33.  
34.  
35.  
36.  
37.  
38.  
39.  
40.  
41.  
Safety Switch  
736-0119  
712-0411  
681-0152  
719-0329  
781-0735  
711-1401  
715-0166  
736-0247  
736-0217  
710-0818  
681-0154  
710-3038  
781-0721  
712-3004A  
731-2265  
712-0158  
731-1402B  
710-1256  
731-1613  
Lock Washer 5/16  
Hex Lock Nut 5/16-24  
Impeller Assembly  
Flail Blade  
3.  
Hex Washer Screw #10-16 x.50  
Wire Harness  
4.  
5.  
Hex Washer Screw 5/16-18 x.625  
Cotter Pin  
6.  
Pin Clip  
7.  
Flat Washer.330 ID x.630 OD  
Compression Spring  
Clevis Pin  
8.  
Spiral Pin  
9.  
Mounting Bracket  
Flat Washer.375 ID x 1.25 OD  
Lock Washer 3/8  
Hex Cap Screw 3/8-24 x 2.0  
Screen Assembly  
Hex Cap Screw 5/16-18 x.875  
Lower Housing  
10.  
11.  
12.  
13.  
14.  
15.  
16.  
17.  
18.  
19.  
20.  
21.  
Lock Rod  
Hex Cap Screw 5/16-18 x.75  
Chipper Chute Assembly  
U-Clip Lock Nut 5/16-18  
External Lock Washer 5/16  
Hex Washer Screw 3/8-16 x 1.25  
Screw #12-16 x 1.0  
Lock Nut 5/16-18  
Nozzle Cover  
Hex Cap Screw 5/16-18 x 4.5  
Hex Cap Screw 5/16-18 x.625  
Hex Washer Screw 5/16-18 x.625  
Upper Housing  
Lock Nut 5/16-18  
Shroud  
Screw #8-18 x 1.25  
Safety Switch Cover  
Hex Screw 5/16-24 x 1.0  
NOTE: For painted parts, please refer to  
the list of color codes below. Please add  
the applicable color code, wherever  
needed, to the part number to order a  
replacement part. For instance, if a part  
numbered 700-sextets is painted Yard-  
Man Green, the part number to order  
would be 700-sextets-0665.  
Yard-Man Green: 0665  
Yard-Man Yellow: 0674  
Powder Black: 0637  
15  
Model 24A-020D401  
1
2
4
3
5
35  
7
5
8
6
9
11  
10  
9
11  
13  
15  
12  
12  
12  
14  
16  
17  
19  
12  
23  
14  
17  
25  
26  
29  
33  
21  
18  
30  
22  
18  
14  
17  
20  
34  
27  
28  
31  
33  
32  
21  
16  
Model 24A-020D401  
Ref.  
Ref.  
No.  
Part No.  
No.  
Part Description  
Foam Grip  
Part No.  
736-0105  
Part Description  
1.  
2.  
720-0295  
749-0438C  
720-0279  
710-1205  
720-0314  
710-1174  
749-0907A  
664-0090  
711-1293  
712-0397  
710-0703  
726-0453  
781-0777  
712-3004A  
714-0104  
681-0155  
681-0156  
710-3025  
18.  
19.  
20.  
21.  
22.  
23.  
Bell Washer.401 ID x.870 OD  
Wheel 9 x 2  
Upper Handle  
734-1992  
738-1015  
731-1426  
781-0725  
781-0765  
781-0766  
748-0417  
747-1100  
738-1017  
732-0864  
710-0653  
782-0578  
710-0642  
734-1978  
736-0232  
738-0213  
OEM-290-012  
3.  
Knob  
Shoulder Screw 3/8-16  
Hubcap  
4.  
Eye Bolt  
5.  
Handle Knob 5/16-18  
Carriage Bolt  
Front Wheel Support Brace  
Hgt Bracket Adjuster LH  
Height Brkt Adj RH (Not Shown)  
Pivot Arm  
6.  
7.  
Lower Handle  
8.  
Bag Assembly  
25.  
26.  
27.  
28.  
29.  
30.  
31.  
32.  
33.  
34.  
35.  
9.  
Studs  
Handle Height Adjuster  
Shoulder Screw 3/8-16  
Height Adjuster Plate Spring  
Hex Washer Screw 1/4-20 x .375  
Spring Lever Support Bracket  
Hex Washer Screw 1/4-20 x .75  
Wheel 8 x 2  
10.  
11.  
12.  
13.  
14.  
15.  
16.  
Wing Nut 1/4-20  
Carriage Screw 1/4-20 x.75  
Lock U-Clip Nut 3/8-16  
Rear Wheel Support Brace  
Flange Lock Nut 5/16-18  
Cotter Pin  
Handle Bracket Assy LH  
Hndle Brkt Assy RH (Not Shown)  
Hex Cap Screw 5/16-18 x.625  
Wave Washer .531 ID x .781 OD  
Shoulder Screw  
17.  
Blower Chute Assy (If Equipped)  
17  
18  
19  
MANUFACTURERS LIMITED WARRANTY FOR:  
c. Routine maintenance items such as lubricants, filters,  
blade sharpening and tune-ups, or adjustments such  
as brake adjustments, clutch adjustments or deck  
adjustments; and normal deterioration of the exterior  
finish due to use or exposure.  
The limited warranty set forth below is given by MTD  
PRODUCTS INC (MTD) with respect to new merchandise  
purchased and used in the United States, its possessions  
and territories.  
d. MTD does not extend any warranty for products sold  
or exported outside of the United States of America,  
its possessions and territories, except those sold  
through MADs authorized channels of export distribu-  
tion.  
MTD warrants this product 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  
material or workmanship. This limited warranty shall only  
apply if this product has been operated and maintained in  
accordance with the Operators Manual furnished with the  
product, and has not been subject to misuse, abuse, com-  
mercial 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 accessory or attachment not  
approved by MTD Products Inc. for use with the product(s)  
covered by this manual will void your warranty as to any  
resulting damages.  
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 or guaranty, 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 War-  
ranty, the exclusive remedy is repair or replacement of  
the product as set forth above. (Some states do not  
allow limitations on how long an implied warranty lasts, so  
the above limitation may not apply to you.)  
Normal wear parts or components thereof are subject to  
separate terms as follows: All normal wear part or compo-  
nent failures will be covered on the product for a period of  
90 days regardless of cause. After 90 days, but within the  
two year period, normal wear part failures will be covered  
ONLY IF caused by defects in material or workmanship of  
OTHER component parts. Normal wear parts and compo-  
nents include, but are not limited to, belts, blades, blade  
adapters, grass bags, rider deck wheels, seats, snow  
thrower skid shoes, shave plates and tires. Batteries are  
covered by a 90-day limited replacement warranty.  
The provisions as set forth in this Warranty provide the  
sole and exclusive remedy arising from the sales. MTD  
shall not be liable for incidental or consequential loss  
or damages including, without limitation, expenses  
incurred for substitute or replacement lawn care ser-  
vices, for transportation or for related expenses, or for  
rental expenses to temporarily replace a warranted  
product. (Some states do not allow the exclusion or limita-  
tion of incidental or consequential damages, so the above  
exclusion or limitation 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, please check for a listing in the Yellow Pages or  
contact the Customer Service Department of MTD PROD-  
UCTS INC by calling 1-800-800-7310 or writing to P.O. Box  
368022, Cleveland, Ohio 44136-9722.  
In no event shall recovery of any kind be greater than the  
amount of the purchase price of the product sold. Alteration  
of the safety features of the product shall void this War-  
ranty. 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 use or misuse or inability to use  
the product.  
This limited warranty does not provide coverage in the  
following cases:  
This limited warranty shall not extend to anyone other than  
the original purchaser, original lessee or the person for  
whom it was purchased as a gift.  
a. The engine or component parts thereof. These items  
carry a separate manufacturers warranty. Please refer  
to the applicable manufacturers warranty on these  
items.  
b. Log splitter pumps, valves and cylinders have a sepa-  
rate one year warranty.  
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.  

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