Bolens Snow Blower 225 User Manual

OPERATOR’S MANUAL  
Front Tine Tiller  
Model Series  
300 & 330  
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 361131 Cleveland, Ohio 44136-0019.  
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019  
PRINTED IN U.S.A.  
770-10564B
FORM NO.  
(12/2002)  
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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: 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 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. Failure to observe the  
following safety instructions could result in serious injury or death.  
7.  
8.  
Use only an approved gasoline container.  
Extinguish all cigarettes, cigars, pipes and other  
sources of ignition.  
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.  
Never over fill fuel tank. Fill tank to no more than ½  
inch below bottom of filler neck to provide space for  
fuel expansion.  
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.  
Never store the machine or fuel container inside  
near an open flame, spark or pilot light (e.g.  
furnace, water or space heater, clothes dryer etc.).  
Allow machine to cool 5 minutes before storing.  
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.  
9.  
10.  
11.  
12.  
2.  
3.  
Be familiar with all controls and their proper  
operation. Know how to stop the machine and  
disengage them quickly.  
Never allow children under 14 years old to operate  
this machine. Children 14 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.  
13.  
14.  
4.  
5.  
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.  
15.  
16.  
Operation  
Preparation  
1.  
2.  
3.  
Do not put hands or feet near rotating parts. Contact  
1.  
Thoroughly inspect the area where the equipment is  
with the rotating parts can amputate hands and feet.  
Do not operate machine while under the influence  
of alcohol or drugs.  
Never operate this machine without good visibility  
or light. Always be sure of your footing and keep a  
firm hold on the handles.  
to be used. Remove all stones, sticks, wire, and  
other foreign objects which could be tripped over  
and cause personal injury.  
2.  
Wear sturdy, rough-soled work shoes and close  
fitting slacks and shirt. Loose fitting clothes or  
jewelry can be caught in movable parts. Never  
operate this machine in bare feet or sandals.  
Disengage clutch levers and shift (if provided) into  
neutral (“N”) before starting the engine.  
Never leave this machine unattended with the  
engine running.  
Never attempt to make any adjustments while  
engine is running, except where specifically  
recommended in the operator’s manual.  
4.  
5.  
6.  
Keep bystanders, helpers, pets, and children at  
least 75 feet from the machine while it is in  
operation. Stop the machine if anyone enters the  
area.  
Be careful when tilling in hard ground. The tines  
may catch in the ground and propel the tiller  
forward. If this occurs, let go of the handle bars and  
do not restrain the machine.  
Exercise extreme caution when operating on or  
crossing gravel surfaces. Stay alert for hidden  
hazards or traffic. Do not carry passengers.  
Never operate the machine at high transport  
speeds on hard or slippery surfaces.  
3.  
4.  
5.  
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.  
7.  
8.  
Exercise caution to avoid slipping or falling.  
3
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9.  
Look down and behind and use care when in  
reverse or pulling machine towards you.  
Start the engine according to the instructions found  
in this manual and keep feet well away from the  
tines at all times.  
After striking a foreign object, stop the engine,  
disconnect the spark plug wire and ground against  
the engine. Thoroughly inspect the machine for any  
damage. Repair the damage before starting and  
operating.  
Disengage all clutch levers and stop engine before  
you leave the operating position (behind the  
handles). Wait until the tines come to a complete  
stop before unclogging the tines, making any  
adjustments, or inspections.  
Never run an engine indoors or in a poorly  
ventilated area. Engine exhaust contains carbon  
monoxide, an odorless and deadly gas.  
Muffler and engine become hot and can cause a  
burn. Do not touch.  
Use caution when tilling near fences, buildings and  
underground utilities. Rotating tines can cause  
property damage or personal injury.  
Do not overload machine capacity by attempting to  
till soil to deep at to fast of a rate.  
If the machine should start making an unusual noise  
or vibration, stop the engine, disconnect the spark  
plug wire and ground it against the engine. Inspect  
thoroughly for damage. Repair any damage before  
starting and operating.  
4.  
Do not change the engine governor settings or over-  
speed 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.  
10.  
5.  
6.  
7.  
11.  
12.  
13.  
8.  
9.  
10.  
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.  
Your Responsibility  
1.  
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.  
The safety label on the tiller is reproduced below for  
your review. To ensure safe operation of the tiller,  
follow the instructions on all labels closely.  
14.  
15.  
2.  
16.  
17.  
18.  
19.  
20.  
Keep all shields, guards and safety devices in place  
and operating properly.  
Never pick up or carry machine while the engine is  
running.  
Use only attachments and accessories approved by  
the manufacturer. Failure to do so, can result in  
personal injury.  
21.  
If situations occur which are not covered in this  
manual, use care and good judgment. Contact your  
dealer or telephone 1-800-800-7310 for assistance  
and the name of your nearest servicing dealer.  
Maintenance & Storage  
1.  
Never tamper with safety devices. Check their  
proper operation regularly.  
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.  
3.  
Before cleaning, repairing, or inspecting, stop the  
engine and make certain the tines and all moving  
parts have stopped. Disconnect the spark plug wire  
and ground it against the engine to prevent  
unintended starting.  
4
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SECTION 2: ASSEMBLING YOUR TILLER  
NOTE: This operator’s manual covers various models  
of tillers. The units illustrated may vary slightly from  
your unit. Follow only those instructions which pertain  
to your model number.  
Handle  
Adjustment Lever  
NOTE: References to right or left side of the tiller are  
determined from behind the unit in the operating  
position.  
To Remove Unit From Carton  
Remove staples, break glue on top flaps, or cut  
tape at carton end and peel along top flap to open  
carton.  
Remove loose parts included with unit (i.e.,  
operator’s manual, etc.).  
Cut corners and lay carton down flat.  
Remove packing material.  
Roll or slide unit out of carton. Check carton  
thoroughly for loose parts.  
Extend control cable and lay on the floor. Be careful  
not to bend or kink control cable.  
Handle  
Adjustment Lever  
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.  
Retainer Bracket  
Loose Parts In Carton  
Tailpiece and Depth Stake  
Lock Nut  
NOTE: All hardware needed for assembly is attached  
to the loose parts or the tiller.  
Before Assembly  
Figure 1  
WARNING: Disconnect the spark plug  
wire and ground it against the engine to  
prevent unintended starting.  
Self-Tapping  
Screws  
Tailpiece  
Assembling The Handle  
Remove the handle adjustment lever from handle  
and lift up upper handle to raise in operating  
position. See Figure 1.  
Reinsert adjustment lever through the lower hole,  
tightening the lever into lock nut on the retainer  
bracket.  
Once the lever is in the lock nut, the handle can be  
moved to the desired position and then tighten  
securely.  
Lower Hole  
Attaching Tailpiece and Depth Stake  
Remove the two self-tapping screws on the frame  
and slide the tailpiece into the frame, with the lower  
hole in the tailpiece toward the front. See Figure 2.  
Secure tailpiece with the screws just removed.  
Figure 2  
5
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Check Cable Adjustment  
Clutch Lever  
With the clutch lever disengaged, pull starter rope  
slowly several times. The tines should not turn. If  
they turn, the cable is not adjusted properly.  
To adjust the cable, loosen the nut near the top of  
the cable and unscrew the cable to provide  
additional slack in wire. See Figure 3.  
Tighten the nut and check again for proper  
adjustment.  
Loosen Nut  
Figure 3  
SECTION 3: KNOW YOUR TILLER  
Tine Clutch Control  
Handle Adjustment Lever  
Depth Stake  
Tines  
Figure 4  
WARNING: Read, understand, and  
follow all instructions and warnings on  
the machine and in this manual before  
operating.  
Handle Adjustment Lever  
The handle may be adjusted to the height desired.  
Loosen the handle adjustment lever a few turns and  
pivot handle up or down to desired position. Tighten  
lock. See Figure 4.  
Tine Clutch Control  
The clutch control lever is located on the left handle.  
Squeezing the lever against the handle engages the  
tine drive. Release the lever to stop the tines from  
turning. See Figure 4  
Throttle Control  
The throttle control lever is located on the engine. It  
controls the engine’s speed and stops the engine.  
With the throttle control pushed completely forward,  
the carburetor is in START or FAST position. Use  
maximum engine speed for deep tilling.  
Pull the throttle control back to reduce engine  
speed to IDLE. Throttle control should be at IDLE  
for transporting the tiller.  
Depth Stake  
The depth stake is located in the rear of the tiller and it  
controls the tilling depth. See Figure 4  
Pull the throttle completely back to stop the engine.  
6
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Choke Lever  
The choke lever is located near the throttle control. It is  
used to enrich the fuel mixture when starting a cold  
engine.  
Engine Controls  
See the separate engine manual for additional  
information and functions of the engine controls.  
Starter Handle  
The starter handle is located on the engine and is  
used to manually start the engine.  
SECTION 4: OPERATING YOUR TILLER  
WARNING: Read, understand, and  
Stopping Engine  
follow all instructions and warnings on  
Move throttle control lever to STOP or OFF  
position.  
the machine and in this manual before  
operating.  
Disconnect spark plug wire from spark plug and  
ground against the engine.  
Before Starting  
Using Your Tiller  
Gas And Oil Fill-Up  
Service the engine with gasoline and oil as instructed in  
the separate engine manual packed with your tiller.  
Read instructions carefully.  
Your tiller (also known as a cultivator) is a precision  
built machine designed for seed bed preparation,  
cultivating, furrowing and mulching. It is engineered to  
minimize the hardest work in the vegetable or flower  
garden, to till the soil for planting and cultivating, and to  
perform many other useful labor saving tasks in the  
garden.  
WARNING: Use extreme care when  
handling gasoline. Gasoline is extremely  
flammable and the vapors are explosive.  
Never fuel machine indoors or while the  
engine is hot or running.  
Wheel Position  
The tiller is shipped with the wheels adjusted such that  
the unit sits level. While tilling, as the tines enter the  
ground and the front of the tiller lowers, the wheels  
must be raised to level the unit, which is essential for  
proper engine operation. This adjustment is made by  
removing the clevis pin and hairpin clip from wheel  
yoke, raising the wheels to the desired height, and  
replacing the clevis pin and hairpin clip. See Figure 5.  
Starting Engine  
WARNING: Be sure no one is standing  
in front of the tiller while the engine is  
running or being started.  
Attach spark plug wire to spark plug. Make sure the  
metal cap on the end of the spark plug is fastened  
securely over the metal tip on the spark plug.  
Make sure that the tine clutch control is  
disengaged.  
Depth Stake  
Place the throttle control in the FAST position.  
Move choke lever to CHOKE position. A warm  
engine requires little or no choke.  
Grasp starter handle and pull rope out slowly until  
engine reaches start of compression cycle (rope  
will pull slightly harder at this point). Let the rope  
rewind slowly.  
Pull rope with a rapid, continuous, full arm stroke.  
Keep a firm grip on starter handle. Let rope rewind  
slowly. Do not let starter handle snap back against  
starter. Repeat until engine starts.  
Wheel Yoke  
Hairpin Clips  
& Clevis Pins  
When engine starts, move choke lever on engine  
halfway between CHOKE and RUN. As the engine  
warms up, move the lever to RUN position.  
Refer to engine manual for additional engine  
information.  
Figure 5  
7
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Controlling Speed And Tilling Depth  
Wheel Yoke Adjustment  
Transport  
Position  
Depth Stake  
Place wheel yoke so that the wheels are forward  
(nearest point between wheels and tines) for shallow  
tilling, cultivating and transport. The forward speed will  
increase. Turn yoke around (farthest point between  
wheels and tines) for deep tilling. Forward speed will  
decrease. See Figure 6.  
Shallow  
Tilling  
Wheel Setting For  
Deep Tilling  
Deep  
Tilling  
Figure 7  
Position Wheel Yoke  
For Deep Tilling  
Position Wheel Yoke  
For Shallow Tilling  
Figure 6  
Depth Stake Adjustment  
The depth stake acts as a brake for the tiller and  
controls the depth and speed at which the machine will  
operate. Remove the clevis pin and hairpin clip to raise  
or lower depth stake. Refer to Figure 5.  
Figure 8  
Handle Pressure  
Further control of tilling depth and travel speed can be  
obtained by variation of pressure on the handles.  
By increasing the depth of the depth stake, the forward  
speed of the machine is reduced and the working depth  
is increased. When the depth stake is raised, the  
working depth of the machine is reduced and the  
forward speed is increased. The working depth of the  
machine may be predetermined by setting the depth  
stake and wheels so that the wheels are about four  
inches from the ground when the tines and depth stake  
are resting on the ground. This setting will permit a  
working depth of about four inches. When presetting  
the working depth, the handles should be adjusted so  
the hand grips are a little above waist. The tiller will be  
lower when the tines and depth stake penetrate the  
ground. See Figure 7.  
A downward pressure on the handles will reduce  
the working depth and increase the forward speed.  
An upward pressure on the handles will increase  
the working depth and reduce the forward speed.  
The type of soil and working conditions will determine  
the actual setting of the depth stake and the handle  
pressure required.  
Transporting the Tiller  
To transport the tiller to or from the garden, pivot  
the depth stake forward and out of the way. With  
the throttle control in SLOW position, the unit will  
walk freely on the lawn. If the operator does not  
allow the tiller to move freely, the unit will start to till  
the surface. Refer to Figure 7.  
When tilling, leave approximately 8 inches of untilled  
soil between the first and second tilling paths, then  
make the third path between the first and second. In  
some soils, the desired depth is obtained the first time  
over the garden. In other soils, the desired depth is  
obtained by going over the garden two or three times. In  
the latter case, the depth stake should be lowered  
before each succeeding pass over the garden. Passes  
should be made across the length and width of the  
garden alternately. Rocks which are turned up should  
be removed from the garden area. See Figure 8.  
Cultivating  
For cultivating, a two to three inch depth is desirable.  
Setting the wheels and depth stake so that the wheels  
are about two inches above the ground while the tiller is  
resting on the tines and depth stake will allow the  
machine to work at cultivating depth. The throttle  
should be set to control forward movement to a slow  
walking speed. With the outer tines installed, the  
8
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working width of the machine is 22 or 24 inches. For  
cultivation, this may be reduced to 13 inches by  
removing the outer tines. Refer to the Adjustment  
Section. When laying out plant rows, be sure to allow  
enough width to permit cultivation between the rows. In  
growing corn or similar crops, check-row planting will  
permit cross cultivation and practically eliminate hand  
hoeing. See Figure 9.  
The tiller has many uses other than tilling and  
cultivating a garden. One of these is the preparation of  
lawn area for seeding. The tiller will prepare a deep  
seed bed which will be free of hard untilled spots,  
allowing a better stand of grass to grow. The tiller is  
very useful for loosening hard soil for excavation with a  
shovel. No tedious handwork will be necessary. Your  
tiller may be used for mixing compost in the pile, or for  
mixing it with the soil in your garden. This should be  
done after the soil has been broken to the full working  
depth. The compost should be worked in to a depth of  
six to seven inches. This may be done by working the  
length of the garden and then by making separate  
passes across its width. The addition of decayed  
organic matter will substantially increase the fertility of  
your garden. For proper decaying action, fertilizer  
should be applied and worked in with the mulch  
materials. Breaking up leaves and straw and mixing it  
with several inches of soil causes the soil to hold  
moisture longer and allows proper aeration of the plant  
root system. This also retards the growth of weeds.  
Figure 9  
SECTION 5: MAKING ADJUSTMENTS  
WARNING: Disconnect the spark plug  
wire and ground it against the engine  
before performing any adjustments.  
Engine Adjustment  
Refer to the separate engine manual for engine  
adjustment instructions.  
Wheel Adjustment  
To adjust the wheel yoke and wheel position, refer to  
the Operating Section.  
22”  
Depth Stake Adjustment  
To adjust the depth stake to a desired position, refer to  
the Operating Section.  
Clutch Control Adjustment  
Periodic adjustment of the belt tension may be required  
due to normal stretch and wear on the belt. To adjust  
the clutch control lever, refer to the Assembly Section.  
24”  
Tine Width Adjustment (330 Series Only)  
The tilling width of the unit is 22 inches. Tilling width can  
be increased to 24 inches by removing the clevis pins  
and hairpin clips, sliding the outer tines out one inch,  
and securing in this position with the clevis pins and  
hairpin clips. For cultivation, reduce the tine width to 13  
inches by removing the outer tines completely.  
See Figure 10  
13”  
Figure 10  
9
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SECTION 6: MAINTAINING YOUR TILLER  
WARNING: Disconnect the spark plug  
Cleaning Tine Area  
wire and ground it against the engine  
before performing any repairs or  
maintenance.  
Clean the underside of the tine shield after each use.  
The dirt washes off the tines easier if rinsed off  
immediately instead of after it dries. Always towel dry  
the tiller afterwards and apply a light coat of oil or  
silicone to prevent rusting or water damage.  
Engine  
Refer to the separate engine manual for engine  
maintenance instructions.  
IMPORTANT: Never use a "pressure washer” to clean  
your tiller. Water can penetrate tight areas of the tiller  
and its chain case and cause serious damage to the  
unit.  
Maintain engine oil as instructed in the separate  
engine manual packed with your unit. Read and follow  
instructions carefully.  
Service air cleaner every ten hours under normal  
conditions. Clean every hour under extremely dusty  
conditions. Poor engine performance and flooding  
usually indicates that the air cleaner should be  
serviced. To service the air cleaner, refer to the  
separate engine manual packed with your unit.  
Belt Replacement  
Your tiller has been engineered with a belt made of  
special material (Kevlar Tensile) for longer life and  
better performance. It should not be replaced with an  
off-the-shelf belt. Order all belts through your  
authorized service dealer.  
IMPORTANT: Never run your engine without air cleaner  
completely assembled.  
Disconnect and ground spark plug wire against the  
engine.  
Remove the two hex washer screws from the front  
of the belt cover and remove the lock nut and flat  
washer from the side of the belt cover.  
Remove the belt cover. See Figure 11.  
The spark plug should be cleaned and the gap reset  
every 25 hours of engine operation. Spark plug  
replacement is recommended at the start of each tiller  
season; check engine manual for correct plug type and  
gap specification.  
Belt Cover  
Clean the engine regularly with a cloth or brush. Keep  
the cooling system (blower housing area) clean to  
permit proper air circulation which is essential to engine  
performance and life. Be certain to remove all dirt and  
combustible debris from muffler area.  
Hex Washer  
Screw  
Lock Nut &  
Flat Washer  
Lubrication  
Transmission  
The transmission is pre-lubricated and sealed at the  
factory. It requires no checking. See an authorized  
service dealer for any service issues.  
Hex Washer  
Screw  
Clutch Handle  
Lubricate the pivot point on the clutch handle and the  
cable at least once a season with light oil. The control  
must operate freely in both directions.  
Figure 11  
Remove the hex screw and idler pulley from the  
idler bracket assembly. See Figure 12.  
Reassemble the new belt and reattach idler pulley  
to secure in place.  
Replace belt cover assembly and secure with the  
hardware removed earlier.  
Pivot Points  
Lubricate all pivot points and linkages at least once a  
season with light oil.  
Tine Shafts  
Remove tine assemblies and lubricate the tine shafts at  
least once a season.  
Wheel Shafts  
Remove wheel assemblies and lubricate the axle shafts  
at least once a season.  
10  
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We do not recommend the use of pressure  
washers to clean your unit. They may cause  
damage to electric components, spindles, pulleys,  
bearings or the engine. The use of pressure  
washers will result in shortened life and reduce  
serviceability.  
Hex Screw  
Refer to the engine manual for correct engine  
storage instructions.  
Wipe tines with oiled rag to prevent rust.  
Store tiller in a clean, dry area. Do not store next to  
corrosive materials, such as fertilizer.  
Idler Pulley  
NOTE: When storing any type of power equipment in  
an unventilated or metal storage shed, care should be  
taken to rustproof the equipment. Using a light oil or  
silicone, coat the equipment and especially any  
springs, bearings, and cables.  
Figure 12  
Off-Season Storage  
If the tiller will not be used for a period longer than 30  
days, the following steps should be taken to prepare the  
tiller for storage.  
Clean the exterior of engine and the entire tiller  
thoroughly. Lubricate the tiller as described in the  
lubrication instructions.  
11  
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SECTION 7: 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 ON position.  
5. Blocked fuel line.  
1. Connect wire to spark plug.  
2. Fill tank with clean, fresh gasoline.  
3. Move throttle lever to start position.  
4. Move lever to ON position.  
5. Clean fuel line.  
6. Faulty spark plug.  
7. Engine flooded  
6. Clean, adjust gap, or replace.  
7. Wait a few minutes to restart, but do not  
prime. (If Equipped)  
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. Vent plugged.  
4. Clear vent.  
5. Water or dirt in fuel system.  
6. Dirty air cleaner.  
7. Carburetor out of adjustment.  
5. Drain fuel tank. Refill with fresh fuel.  
6. Clean following engine manual.  
7. Refer to engine manual.  
Engine overheats  
1. Engine oil level low.  
2. Dirty air cleaner.  
1. Fill crankcase with proper oil.  
2. Clean air cleaner.  
3. Air flow restricted.  
4. Carburetor not adjusted properly.  
3. Remove blower housing and clean.  
4. Refer to engine manual.  
Tines do not engage  
1. Foreign object lodged in tines.  
1. Stop tiller completely, check and  
discard foreign object.  
2. Tine clevis pin(s) missing.  
2. Replace tine clevis pin(s).  
3. Control cable not adjusted properly. 3. Adjust control cable.  
4. Belt worn and/or stretched.  
5. Pulley and idler not in correct  
adjustment.  
4. Replace belt.  
5. Take unit to authorized service dealer.  
NOTE: For repairs beyond the minor adjustments listed above, contact your nearest service dealer.  
12  
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SECTION 8: NOTES  
13  
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Model Series 300 & 330  
2
1
3
5
4
6
8
7
5
9
6
10  
12  
13  
5
14  
11  
15  
19  
22  
16  
9
14  
27  
17  
21  
20  
18  
10  
29  
10  
25  
62  
61  
28  
63  
10  
26  
30  
34  
14  
35  
36  
24  
42  
23  
64  
65  
32  
46  
33  
43  
44  
31  
52  
53  
54  
55  
45  
37  
59  
60  
51  
39  
38  
34  
40  
47  
58  
49  
48  
50  
57  
56  
41  
14  
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Model Series 300 & 330  
Ref.  
Ref.  
No.  
Part No.  
No.  
Part Description  
Part No.  
Part Description  
1.  
720-0274  
731-0473  
686-0002  
649-0137  
712-0442  
738-1225  
746-1148  
738-1226  
710-0189  
736-0242  
786-0340  
710-0606  
719-0279  
712-0720  
786-0341  
649-0136  
710-0805  
711-0415  
750-0890  
786-0003  
786-0004  
786-0005  
714-0149B  
712-3004A  
712-3010  
710-3180  
710-0604A  
710-0602  
738-0934  
712-0240  
736-0171  
786-0138A  
786-0139A  
Grip  
34.  
35.  
36.  
37.  
38.  
39.  
40.  
41.  
42.  
43.  
44.  
45.  
46.  
47.  
48.  
49.  
50.  
51.  
52.  
53.  
54.  
55.  
56.  
57.  
58.  
59.  
60.  
61.  
62.  
63.  
64.  
65.  
712-3004A  
711-0919  
710-0599  
786-0035A  
710-0502A  
710-3008  
786-0053  
786-0337  
786-0039B  
736-0119  
710-0107  
750-0892  
748-0350  
756-0971  
756-0972  
754-0428  
736-0452  
710-0152  
756-0585  
736-0312  
736-0112  
712-3029  
710-0599  
786-0056  
712-0392  
736-3020  
738-0930  
712-0266  
786-0144  
786-0149  
756-0313  
710-0723  
Flange Lock Nut 5/16-18  
Belt Cover Belt  
2.  
Clutch Grip  
3.  
Clutch Lever  
Hex Washer Screw 1/4-20 x .500  
Tine Shield 20”  
4.  
Handle Assembly  
Lock Nut Cap 1/4-20  
Shoulder Screw  
5.  
Hex Washer Screw 3/8-16 x 1.25  
Hex Cap Screw 5/16-18  
Tine Shield Bracket 20”  
Tine Shield 18”  
6.  
7.  
Clutch Cable  
8.  
Shoulder Screw  
9.  
Hex Cap Screw 5/16-18 x 3.0  
Bell Washer .340 ID x .872 OD  
Adjustable Handle Crank  
Hex Cap Screw 1/4-20 x 1.5  
Rope Guide  
Cover Bracket  
10.  
11.  
12.  
13.  
14.  
15.  
16.  
17.  
18.  
19.  
20.  
21.  
22.  
23.  
24.  
25.  
26.  
27.  
28.  
29.  
30.  
31.  
32.  
33.  
Lock Washer 5/16  
Hex Cap Screw 5/16-24 x .50  
Input Spacer .64 ID x 2.4 Lg  
Pulley Adapter  
Flange Nut 5/16-18  
Retainer Bracket  
Engine Inner Half Pulley  
Engine Outer Half Pulley  
Belt  
Handle Tube  
Hex Cap Screw 5/16-18 x 1.5  
Clevis Pin 3/8 x 1.62  
Spacer  
Bell Washer .396 ID x 1.140 OD  
Hex Cap Screw 3/8-24 x 1.0  
Flat Pulley  
Tailpiece Bracket LH  
Tailpiece Bracket RH  
Depth Bar  
Retainer Bearing Washer  
Spherical Washer .531 ID x .620 OD  
Jam Nut 1/2-20  
Cotter Pin  
Hex Washer Screw 1/4-20 x .50  
Cover Belt  
Hex Flange Locknut 5/16-18  
Hex Nut 5/16-18  
Lock Nut Cap 1/4-28  
Flat Washer .271 ID x .630 OD  
Shoulder Screw  
Hex Cap Screw 5/16-18 x 1.75  
Hex Washer Screw 5/16-18 x .625  
Hex Washer Screw 5/16-18 x 1.0  
Shoulder Screw  
Jam Nut 3/8-16  
Idler Bracket  
Jam Nut 7/16-20  
Idler Keeper Bracket  
Flat Idler  
Lock Washer 7/16  
Frame RH  
Hex Cap Screw 3/8-16 x 1.25  
Frame LH  
15  
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Model Series 300  
19  
3
1
2
4
7
6
1
2
10  
8
9
5
10  
13  
14  
6
11  
12  
20  
17  
15  
15  
18  
4
16  
18  
16  
16  
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Model Series 300  
Ref.  
Ref.  
No.  
Part No.  
No.  
Part Description  
Wheel 7 x 1.8  
Part No.  
686-0189  
Part Description  
Chain Case Assembly  
1.  
2.  
734-1988  
738-0929  
686-0081A  
714-0149B  
711-0415  
736-0242  
710-0189  
738-0934  
750-0273  
750-0470  
11.  
12.  
13.  
14.  
15.  
16.  
17.  
18.  
19.  
20  
Shoulder Screw  
712-0429  
736-0171  
712-0240  
04922  
Hex Lock Nut 5/16-18  
Lock Washer 7/16  
3.  
Wheel Bracket Assembly  
Cotter Pin  
4.  
Jam Nut 7/16-20  
5.  
Clevis Pin  
Tine Blade 9.5” RH  
Tine Blade 9.5” LH  
Clevis Pin  
6.  
Bell Washer .340 ID x .872 OD  
Hex Cap Screw 5/16-18 x 3.0  
Shoulder Screw  
04923  
7.  
711-0702  
710-0599  
750-0456  
04918  
8.  
Hex Washer Screw 1/4-20 x .50  
Spacer .790 ID x .347 Lg  
Tine Adapter Assembly  
9.  
Spacer .51 ID x .69 OD x 1.97Lg  
Spacer .47 OD x .96Lg  
10.  
17  
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Model Series 330  
17  
18  
1
3
2
4
9
19  
1
7
2
6
8
10  
5
10  
13  
14  
6
11  
12  
5
15  
4
16  
18  
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Model Series 330  
Ref.  
Ref.  
No.  
Part No.  
No.  
Part Description  
Wheel 8 x 1.75  
Part No.  
712-0429  
Part Description  
Hex Lock Nut 5/16-18  
1.  
2.  
734-1781  
738-0929  
686-0081A  
714-0149B  
711-0415  
736-0242  
710-0189  
738-0934  
786-0145A  
750-0470  
686-0091  
12.  
13.  
14.  
15.  
Shoulder Screw  
736-0171  
712-0240  
642-0002  
642-0003  
642-0004  
642-0005  
712-3010  
736-0242  
710-3180  
Lock Washer 7/16  
3.  
Wheel Bracket Assembly  
Cotter Pin  
Jam Nut 7/16-20  
4.  
Inner Tine Assembly - RH 12”  
Inner Tine Assembly - LH 12”  
Outer Tine Assembly -RH 12”  
Outer Tine Assembly - LH 12”  
Hex Nut 5/16-18  
5.  
Clevis Pin  
6.  
Bell Washer .340 ID x .872 OD  
Hex Cap Screw 5/16-18 x 3.0  
Shoulder Screw  
16.  
7.  
8.  
17.  
18.  
19.  
9.  
Engine Mounting Plate  
Spacer .47 OD x .96Lg  
Chain Case Assembly  
Bell Washer .340 ID x .872 OD  
Hex Cap Screw 5/16-18 x 1.75  
10.  
11.  
19  
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MANUFACTURER’S LIMITED WARRANTY FOR:  
The limited warranty set forth below is given by MTD LLC  
with respect to new merchandise purchased and used in the  
United States, its possessions and territories.  
d. MTD LLC does not extend any warranty for products  
sold or exported outside of the United States, its posses-  
sions and territories, except those sold through MTD  
LLC’s authorized channels of export distribution.  
e. Parts that are not genuine MTD parts are not covered by  
this warranty.  
f. Service completed by someone other than an authorized  
service dealer is not covered by this warranty.  
g. Transportation charges and service calls are not  
covered.  
MTD LLC warrants this product against defects 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 acces-  
sory or attachment not approved by MTD LLC for use with  
the product(s) covered by this manual will void your warranty  
as to any resulting damage.  
No implied warranty, including any implied warranty of  
merchantability of 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, includ-  
ing a dealer or retailer, with respect to any product, shall  
bind MTD LLC. During the period of the warranty, the  
exclusive remedy is repair or replacement of the product  
as set forth above.  
Normal wear parts or components thereof are subject to sep-  
arate terms as follows: All normal wear parts or component  
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 materials or workmanship of OTHER  
component parts. Normal wear parts and components  
include, but are not limited to: batteries, belts, blades, blade  
adapters, grass bags, rider deck wheels, seats, snow thrower  
skid shoes, shave plates, auger spiral rubber, tires.  
The provisions as set forth in this warranty provide the  
sole and exclusive remedy arising from the sale. MTD  
LLC shall not be liable for incidental or consequential  
loss or damage including, without limitation, expenses  
incurred for substitute or replacement lawn care ser-  
vices or for rental expenses to temporarily replace a war-  
ranted product.  
HOW TO OBTAIN SERVICE: Warranty service is available,  
WITH PROOF OF PURCHASE, through your local autho-  
rized service dealer. To locate the dealer in your area, check  
your Yellow Pages, or contact MTD LLC at P.O. Box 361131,  
Cleveland, Ohio 44136-0019, 1-800-800-7310, 1-330-220-  
Some states do not allow the exclusion or limitation of inci-  
dental or consequential damages, or limitations on how long  
an implied warranty lasts, so the above exclusions or limita-  
tions may not apply to you.  
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.  
This limited warranty does not provide coverage in the follow-  
ing cases:  
a. The engine or component parts thereof. These items  
carry a separate manufacturer’s warranty. Refer to the  
applicable manufacturer’s warranty for terms and condi-  
tions.  
b. Log splitter pumps, valves, and cylinders have a sepa-  
rate one year warranty.  
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 limited warranty shall not extend to anyone other than  
the original purchaser or to the person for whom it was pur-  
chased as a gift.  
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.  
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019 1-800-800-7310  
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