Yard Machines 300 Manuel utilisateur

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Manuel utilisateur

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OPERATOR’S MANUAL
FRONT TINE
TILLERS
300 Series
IMPORTANT: READ
MTD PRODUCTS LTD. P.O. BOX 1386 KITCHENER, ON N2G 4J1
PRINTED IN THE U.S.A.
772C0730
SAFETY RULES AND
INSTRUCTIONS CAREFULLY
(10/04)
2
TABLE OF CONTENTS
FINDING MODEL NUMBER
This Operator’s Manual is an important part of your new equipment. It will help you assemble, prepare and maintain the unit for best
performance. Please read and understand what it says.
Before you start assembling your new equipment, please locate the model plate on the equipment and copy the information from
it in the space provided below. A sample model plate is also given below. You can locate the model plate by standing at the operating
position and looking down at the rear of the deck . This information will be necessary to use the manufacturer’s web site and/or help
from the Customer Support Department or an authorized service dealer.
ENGINE INFORMATION
The engine manufacturer is responsible for all engine-related issues with regards to performance, power-rating, specifications, warranty and
service. Please refer to the engine manufacturer’s Owner’s/Operator’s Manual packed separately with your unit for more information.
CALLING CUSTOMER SUPPORT
Please do NOT return the unit to the retailer from which it was purchased, without first contacting Customer Support.
If you have difficulty assembling this product or have any questions regarding the controls, operation or maintenance of this unit,
please call a Customer Support Representataive.
For US Customers: 1- (330) 220-4MTD (4683) or 1- (800)-800-7310
For Canadian Customers: 1-800-668-1238
Please have your unit’s model number and serial number ready when you call. See previous section to locate this information. You will be asked
to enter the serial number in order to process your call.
HOW TO OBTAIN SERVICE
Service is available, WITH PROOF OF PURCHASE, through your local authorized service dealer. To locate the dealer in your
area;
In the U.S.A.
: Check your Yellow Pages, or contact customer support listed about MTD LLC at P.O. Box 361131, Cleveland,
Ohio 44136-0019, or call 1-800-800-7310 or 1-330-220-4683 or log on to our Web site at www.mtdproducts.com.
In Canada
: Contact MTD Products Limited, Kitchener, ON N2G 4J1, or call 1-800-668-1238 or log on to our Web site at
www.mtdcanada.com.
Content Page
Customer Support 2
Important Safe Operation Practices 3
Assembly 5
Controls 7
Operation 8
Adjustments 10
Lubrication 11
Maintenance 11
Off-Season Storage 13
Troubleshooting 13
Parts Lists/Pièces détachées 14
Warranty 18
Content Page
MTD PRODUCTS LIMITED
KITCHENER, ON N2G 4J1
1-800-668-1238
XXXXXXXXXX
XXXXXXXXXXX
Model Number
Numéro de modèle
Serial Number
Numéro de série
www.mtdcanada.com
This is where your model number will be.
This is where your serial number will be.
Copy the model number here:
Copy the serial number here:
3
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 your tiller. Failure to comply with these instructions may result in personal
injury. when you see this symbol— HEED ITS WARNING
.
DANGER: Your tiller 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 tiller is capable of amputating hands and feet. Failure to observe the following safety
instructions could result in serious injury or death.
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.
2. Be familiar with all controls and their proper
operation. Know how to stop the machine and
disengage them quickly.
3. 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.
4. Never allow adults to operate this machine without
proper instruction.
5. Keep bystanders, helpers, children and pets at
least 75 feet from the machine while it is in
operation. Stop machine if anyone enters the area.
PREPARATION
1. Thoroughly inspect the area where the equipment
is 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 shirts. Loose fitting clothes and
jewelry can be caught in movable parts. Never
operate this machine in bare feet or sandals.
3. Disengage clutch levers and shift (if provided)
lever into neutral ("N") before starting the engine.
4. Never leave this machine unattended with the
engine running.
5. Never attempt to make any adjustments while the
engine is running, except where specifically
recommended in the operator’s manual.
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. Use only an approved gasoline container.
8. Extinguish all cigarettes, cigars, pipes and other
sources of ignition.
9. Never fuel machine indoors.
10. Never remove gas cap or add fuel while the
engine is hot or running.
11. Allow engine to cool at least two minutes before
refueling.
12. Never over fill fuel tank. Fill tank to no more than
½ inch below bottom of filler neck to allow space
for fuel expansion.
13. Replace gasoline cap and tighten securely.
14. If gasoline is spilled, wipe it off the engine and
equipment. Move unit to another area. Wait 5
minutes before starting the engine.
15. 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.
16. Allow a machine to cool at least 5 minutes before
storing.
OPERATION
1. Do not put hands or feet near rotating parts.
Contact with the rotating parts can amputate
hands and feet.
2. Do not operate the machine while under the
influence of alcohol or drugs.
3. Never operate this machine without good visibility
or light. Always be sure of your footing and keep a
firm hold on the handles.
4. Keep bystanders, helpers, children and pets at
least 75 feet from the machine while it is in
operation. Stop machine if anyone enters the area.
5. 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.
6. Exercise extreme caution when operating on or
crossing gravel surfaces. Stay alert for hidden
hazards or traffic. Do not carry passengers.
7. Never operate the machine at high transport
speeds on hard or slippery surfaces.
8. Exercise caution to avoid slipping or falling.
4
9. Look down and behind and use care when in
reverse or pulling machine towards you.
10. Start the engine according to the instructions
found in this manual and keep feet well away from
the tines at all times.
11. After striking a foreign object, stop the engine,
disconnect the spark plug wire(s) and ground
against the engine. Thoroughly inspect the
machine for any damage. Repair the damage
before starting and operating.
12. Disengage all clutch levers and stop the 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.
13. Never run an engine indoors or in a poorly
ventilated area. Engine exhaust contains carbon
monoxide, an odorless, and deadly gas.
14. Muffler and engine become hot and can cause a
burn. Do not touch.
15. Use caution when tilling near fences, buildings and
underground utilities. Rotating tines can cause
property damage or personal injury.
16. Do not overload machine capacity by attempting to
till soil too deep at too fast of a rate.
17. If the machine should start making 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.
18. Keep all shields, guards and safety devices in
place and operating properly.
19. Never pick up or carry machine while the engine is
running.
20. Use only accessories and attachments approved
for this machine by the machine manufacturer.
Failure to do so, can result in serious injury.
21. If situations occur which are not covered in this
manual, use care and good judgment. Contact
your authorized dealer for assistance.
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, make
certain the tine(s) and all moving parts have
stopped. Disconnect the spark plug wire and
ground against the engine to prevent unintended
starting.
4. Do not change the engine governor settings or
over-speed the engine. The governor controls the
maximum safe operating speed of the engine.
5. Maintain or replace safety and instruction labels,
as necessary.
6. Follow this manual for safe loading, unloading,
transporting, and storage of this machine.
7. Never store the machine or fuel container inside
where there is an open flame, spark or pilot light
as on a water heater, space heater, furnace,
clothes dryer or other gas appliances.
8. Always refer to the operator’s manual for proper
instructions on off-season storage.
9. If the fuel tank has to be drained, do this outdoors.
10. Observe proper disposal laws and regulations for
gas, oil, etc. to protect the environment.
WARNING — YOUR RESPONSIBILITY: Restrict the use of this power machine to persons who read,
understand and follow the warnings and instructions in this manual and on the machine.
Figure 1 Safety labels found on your unit
5
SECTION 2: ASSEMBLY INSTRUCTIONS
IMPORTANT: This unit is shipped WITHOUT
GASOLINE or OIL. After assembly, see separate
engine manual for proper fuel and engine oil
recommendations.
NOTE: Left and right is determined from the
operator’s position, standing behind the tiller.
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.
Remove all loose parts 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.
Extend control cable(s) to the rear of the tiller and
lay them on the floor. Be careful not to bend or kink
control cable(s).
TOOLS REQUIRED FOR ASSEMBLY
(1)-1/2" Wrench or Socket*
(1)-Pair of Pliers
(1)-3/8" Wrench*
*An adjustable wrench may be used.
This owner's guide covers two different model
tillers. Model 340 has forward tine drive only.
Model 390 has both forward and reverse tine drive.
Follow only the instructions which pertain to your
model tiller. See the model plate on your tiller for
the correct model number.
LOOSE PARTS IN CARTON
1. Tailpiece
2. Depth Stake
3. Handle Assembly
NOTE: All hardware required for assembly has been
placed in position on the tiller.
BEFORE ASSEMBLY
WARNING: Disconnect the spark plug wire
and ground against the engine to prevent
unintended starting.
ATTACHING THE TAILPIECE AND DEPTH
STAKE
1. Remove the two self-tapping screws on the frame.
Slide the tailpiece into the frame, with the lower
hole in the tailpiece toward the front.
2. Secure with screws just removed. See Figure 2.
Figure 2
ATTACHING THE HANDLE ASSEMBLY
1. Remove the hex bolt and cupped washer from the
top right side of the frame halves. Hold the cable
guide bracket on the left side of the frame as it will
fall when the bolt is removed. See Figure 3.
2. Insert the handle assembly between the two frame
halves. Insert the hex bolt just removed through
the frame halves, handle assembly, and into the
cable guide bracket (notch in cable guide bracket
goes over the flange on the frame). Tighten
securely.
3. Loosen the hand knob which secures the handle
brace to the handle assembly.
4. Remove the handle knob and hardware from the
handle brace. Insert the carriage screw through the
welded bracket on the handle and into the end of
the handle brace. See Figure 3.
5. Secure with cupped washer and handle knob.
6. Select one of the three handle height positions
(three notches in welded bracket), and tighten the
hand knob to secure the handle in desired position.
Make certain carriage bolt is seated securely into
one of the three positions provided.
Figure 3
Tailpiece
Self-Tapping
Screws
Depth
Stake
Hex Nut and
Cupped Washer
Handle
Crank
Handle
Brace
U-Nut
Handle
Assembly
6
ATTACHING THE CLUTCH CONTROL
CABLES
FORWARD CABLE
Attach the end of the forward cable to the bracket
underneath the handle assembly as follows. (On
model 390, the forward clutch cable is the cable which
is attached closer to the rear of the tiller).
1. Loosen the hex nut on the threaded rod near the
end of the cable, and move it up the rod as far as it
will go. See
2. Unthread the rod from the rest of the cable. Hook
the “Z” end of the rod into the bracket underneath
the handle assembly from the right hand side. See
Figure 4 or Figure 5.
3. Thread the rod back into the cable until the cable
is straight. Do not tighten it enough to put any
tension on the spring. See Figure 4 or Figure 5.
4. Thread the hex nut down against the end of cable.
Use a pair of pliers and a wrench to lock the nut
against the rod.
NOTE: Do not overtighten control cable. Too much
tension may cause it to break when engaged.
Figure 4 Model 340
Figure 5 Model 390
REVERSE CABLE (Model 390 Only)
The reverse clutch cable is the cable which is attached
closer to the front of the tiller. Attach the end of the
reverse cable to the reverse tine engagement handle
above the handle assembly, in the same manner as
you attached the forward cable. See Figure 5.
FINAL CLUTCH ADJUSTMENT
To check the clutch cable adjustment, proceed as
follows.
1. Disconnect the spark plug wire and move it away
from the spark plug to prevent accidental starting.
2. Engage and release the forward tine engagement
handle, then the reverse tine engagement lever
(model 390 only). If an excessive noise is heard
when releasing either the tine drive clutch handle
or lever, the cable may be too loose. Adjust either
the forward or reverse clutch cable by loosening
the hex nut, threading the rod into the cable one or
two turns, then retightening the nut. See Figure 6.
Figure 6
3. With tine engagement handles in neutral
(released) as shown in Figure 6, pull the starter
rope several times. The tines should not turn. If
they turn forward, loosen the hex nut on the
forward cable (underneath the handle assembly).
See Figure 5. If they turn toward the rear (model
390 only), loosen the hex nut on the reverse cable
(above the handle assembly). Unthread the rod
from the cable 2 or 3 turns. Retighten the hex nut,
and check again for correct adjustment. See
Figure 6.
“Z” End
Hooked In
Bracket
Threaded
Rod
Hex Nut
Cable
Reverse
Cable
Hex Nut
Threaded
Rod
Reverse Tine
Engagement Handle
“Z” End
Hooked In
Bracket
Model 390
Model 340
Engagement Handle
Tine
Engagement Handle
Reverse Tine
7
SECTION 3: CONTROLS
WARNING: Read, understand, and follow
all instructions and warnings on the machine
and in this manual before operating.
Figure 7 Model 390 Shown
THROTTLE CONTROL
The throttle control lever is located on the engine. It
controls the engine speed and stops the engine. See
Figure 8.
CHOKE LEVER
The choke lever is located above the throttle control. It
is used to enrich the fuel mixture when starting a cold
engine. See Figure 8.
FORWARD TINE ENGAGEMENT HANDLE
The forward tine engagement handle is located
beneath the tiller handle. Squeezing the handle up
against the tiller handle engages the tines. Release the
handle to stop the tines. See Figure 7.
REVERSE TINE DRIVE CLUTCH LEVER
(Model 390 Only)
The reverse tine drive clutch lever is located on top of
the handle panel. Pull the lever to the rear to move the
tines in reverse. Release the lever to stop the reverse
tine drive. See Figure 7.
NOTE: Never engage both the forward and reverse
tine drives at the same time. Engaging both forward
and reverse tine drives at the same time could damage
the belt drives and cause the engine to stall.
Figure 8
DEPTH STAKE
The depth stake controls the tilling depth. Refer to
"HOW TO USE YOUR TILLER" SECTION" for more
details.
TINE AND END CAPS
The tilling tines and end caps are used to cultivate,
furrow, and prepare your garden for seeding. The end
caps are used to avoid tilled soil from overflowing onto
unwanted areas.
HANDLE KNOB
The handle knob is attached to the handle and is used
to adjust the height of the handle to three different
settings.
ENGINE CONTROLS
See the separate engine manual for the location and
function of the other controls on the engine.
Forward Tine
Engagement
Lever
Reverse Tine
Engagement
Lever
Depth
Stake
End
Cap
Tines
Handle
Knob
Choke
Throttle Control
Models 340/390
8
SECTION 4: OPERATION
WARNING: Read, understand, and follow
all instructions and warnings on the machine
and in this manual before operating.
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.
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.
TO START ENGINE
WARNING:
Be sure no one is standing in
front of the tiller while the engine is running or
being started.
1. Attach spark plug wire to spark plug. Make certain
the metal loop on the end of the spark plug wire
(inside the boot) is fastened securely over the
metal tip on the spark plug.
2. Make certain the tine engagement controls are in
the neutral position (released). See Figure 7.
3. Place the throttle control lever in FAST position.
(See Figure 8 ).
4. Move choke lever to CHOKE position. (A warm
engine requires little or no choke.)
5. 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.
6. 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 preceding instructions 5 and 6 until
engine starts.
7. When engine starts, move choke lever on engine
halfway between CHOKE and RUN.
8. Move throttle control to IDLE position for a few
minutes warm-up. Move choke lever to RUN
position as engine warms up.
NOTE: After starting engine and prior to using the
tiller, be certain to check the clutch adjustment as
described in “Finall Clutch Adjustment” section of the
Assembly Instructions.
TO STOP ENGINE
1. Move throttle control lever to STOP or OFF
position.
2. Disconnect spark plug wire from spark plug and
ground against the engine to prevent accidental
starting while equipment is unattended.
WHEEL POSITION
NOTE:
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. Follow the
steps below to adjust the wheels.
Remove 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
9.)
Figure 9
REMOVING END CAPS
The end cap are used to avoid tilled soil from getting
onto unwanted areas. You can remove each end cap
from the outer axle by removing the hairpin clip and
clevis pin that secure it. Slide end cap off the axle to
remove. See Figure 10.
Figure 10
Hairpin Clips
and Clevis Pins
Wheel Yoke
Depth
Stake
End
Clevis
Hairpin Clip
Cap
Pin
9
CONTROLLING SPEED AND TILLING
DEPTH
WHEEL YOKE ADJUSTMENT:
1. 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.
2. Turn yoke around (farthest point between wheels
and tines) for deep tilling. Forward speed will
decrease. (See Figure 11.)
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.
1. By increasing the depth of the depth stake, the
forward speed of the machine is reduced, and the
working depth is increased. (See Figure 12.)
2. When the depth stake is raised, the working depth
of the machine is reduced and the forward speed
is increased.
Remove the clevis pin and hairpin clip to raise or
lower depth stake. (See Figure 9.)
Figure 11
IMPORTANT: 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 height because the tiller
will be lower when the tines and depth stake penetrate
the ground. See Figure 12.
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 as
shown in Figure 13. 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.
Figure 12
Figure 13
Handle Pressure:
Further control of tilling depth and travel speed can be
obtained by variation of pressure on the handles.
1. A downward pressure on the handles will reduce
the working depth and increase the forward speed.
2. An upward pressure on the handles will increase
the working depth and reduce the forward speed.
NOTE: The type of soil and working conditions will
determine the actual setting of the depth stake and the
handle pressure required.
Throttle Control: The throttle control lever adjusts the
engine speed and stops the engine. With the throttle
control lever pushed completely forward, the carburetor
is in START position. Pulling the throttle control back
slightly adjusts the engine speed to FAST. Pulling the
throttle back further reduces the engine speed to
SLOW. Pull the throttle completely back to stop the
engine.
Use maximum engine speed for deep tilling. Move the
throttle control to SLOW when transporting the tiller.
Deep
Shallow
Tilling
Tilling
Transport
Position
Depth
Stake
Deep Tilling
Slow Forward
Shallow Tilling
Fast Forward
Raised Wheel Setting
For Deep Tilling
10
TRANSPORTING THE TILLER
To transport the tiller to or from the garden, pivot the
depth stake forward, out of the way. (See Figure 12.)
With the throttle control in SLOW position, the unit will
walk freely on top of the lawn. If the operator does not
allow the tiller to move freely, the unit will start to till
the surface.
HOW TO USE YOUR TILLER
Your tiller 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. With the
proper amount of care and maintenance, this machine
will provide the owner with many years of service.
CULTIVATING
For cultivating, a two to three inch depth is desirable.
Set 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
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 Tine Width
Adjustment in 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
14).
Figure 14
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 hand pickwork 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.
SECTION 5: ADJUSTMENTS
WARNING: Disconnect the spark plug
wire and ground against the engine before
performing any adjustments, repairs, or
maintenance.
WHEEL ADJUSTMENTS
To adjust the wheel yoke and wheel position, refer to
WHEEL POSITION on page 8.
DEPTH STAKE ADJUSTMENT
To adjust the depth stake, refer to WHEEL POSITION
on page 8.
CLUTCH CONTROL ADJUSTMENTS
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 Final Adjustment
section of assembly instructions.
ENGINE
Refer to the separate engine manual for engine adjust-
ment instructions.
CARBURETOR ADJUSTMENT
WARNING: If any adjustments are made
to the engine while the engine is running
(e.g. carburetor), disengage all clutches and
tines. Keep clear of all moving parts. Be
careful of heated surfaces and muffler.
Minor carburetor adjustment may be required to
compensate for differences in fuel, temperature,
altitude or load. If adjustments are needed, refer to the
engine manual packed with the tiller.
TINE WIDTH ADJUSTMENT
The tilling width of the unit is 22 inches. (See Figure
15.) 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. (See Figure 16.)
For cultivation, reduce the tine width to 13 inches by
removing the outer tines completely. (See Figure 17.)
11
Figure 15
Figure 16
Figure 17
NOTE: A dirty air cleaner will cause engine to run
rough. Be certain air cleaner is clean and attached to
the carburetor before adjusting carburetor. Do not
make unnecessary adjustments. Factory settings are
satisfactory for most applications and conditions.
SECTION 6: LUBRICATION
WARNING: Always stop engine and
disconnect spark plug wire before cleaning,
lubricating or doing any kind of work on tiller.
Tine Engagement Handle/Lever
Lubricate the pivot points on the tine handle/lever
and the cable at least once a season with light oil.
The controls must operate freely in both directions.
Pivot Points
Lubricate all pivot points and linkages at least once
a season with light oil.
Tine Shafts
Remove the 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.
Transmission
The transmission is pre-lubricated and sealed at
the factory. It requires no checking unless the
transmission is disassembled. See an authorized
service dealer if the transmission is disassembled.
SECTION 7: MAINTENANCE
WARNING: Disconnect spark plug wire
and ground it against the engine before
performing any repairs or maintenance.
TROUBLE SHOOTING
Refer to page 13 of this manual for trouble shooting
information.
ENGINE
Refer to the separate engine manual for all engine
maintenance instructions.
Maintain engine oil as instructed in the separate
engine manual packed with your unit. Read and follow
instructions carefully.
IMPORTANT: Do not attempt to start the engine
when the oil level is inadequate.
Service air cleaner every 25 hours under normal
conditions. Clean after 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.
IMPORTANT: Never run your engine without air
cleaner completely assembled.
The spark plug should be cleaned and the gap reset
after every 25 hours of engine operation. Spark plug
replacement is recommended at the start of each
season; check engine manual for correct plug type and
gap specifications.
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.
CLEANING THE TINE AREA
Clean the underside of the tine shield after each use.
The dirt washes off the tines easier if washed off
immediately instead of after it dries.
22"
24"
13"
12
NOTE: 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 reduced serviceability.
BELT REMOVAL AND REPLACEMENT
Your tiller has been engineered with belts made of
special material (Kevlar Tensile). They should not be
replaced with an off-the-shelf belt. If belt replacement
is required, order belt or belts by part number from
your nearest authorized service dealer.
Forward Drive Belt - Part No. 754-0428
Reverse Drive Belt (390 Only) - Part No. 754-0429
Reverse Drive Belt (Model 390 Only)
1. Disconnect and ground the spark plug wire against
the engine.
2. Remove the two hex washer screws from the front
of belt cover and remove the hex nut and flat
washer from the side of the belt cover.
3. Remove belt cover. See Figure 18. Lift the belt off
the transmission pulley.
4. Remove the hex nut which secures the reverse
idler pulley to the idler bracket. Slide the idler
pulley out and remove the belt. See Figure 19.
Figure 18
Figure 19 Model 390 Shown
Figure 20 Model 390 Shown
5. Reassemble the new belt, following instructions in
reverse order. Make certain the reverse drive belt
is assembled with the wide side of the belt against
the transmission and engine pulleys. Be certain to
adjust the clutch control as instructed in the final
clutch adjustment section of assembly instructions
Forward Drive Belt (See Figure 20)
1. Model 340: Remove the belt cover by following
step 1 and step 2 of the previous section.
Model 390: Remove the reverse drive belt as
instructed in the previous section.
2. Remove the belt keeper from the idler pulley by
removing the idler pulley nut.
3. Lift belt off the idler pulley and transmission pulley.
See Figure 20.
4. Using a 9/16" wrench, remove bolt from engine
pulley.
5. Push reverse idler pulley bracket forward, and
remove engine pulley and belt. See Figure 20.
6. Reassemble the new belt, following instructions in
reverse order. Make certain the forward drive belt
is assembled with the wide side of the belt away
from the transmission and engine pulleys. Be
certain to adjust the clutch control as instructed in
the final clutch adjustment section of assembly
instructions.
Hex Nut and Washer
Self-Tapping
Screws
Belt
Cover
Reverse
Idler
Pulley
Hex Nut
Reverse Belt
Forward Belt
Transmission
Pulley
Engine Pulley
Engine
Pulley
Forward
Belt
Idler Pulley Nut
13
SECTION 8: OFF-SEASON STORAGE
If the tiller is to be inoperative for a period longer
than 30 days, the following precautions are
recommended.
1. Clean the exterior of engine and entire tiller
thoroughly. Lubricate the tiller as described in
the lubrication instructions.
2. Refer to the engine manual for correct engine
storage instructions.
3. Wipe tines with oiled rag to prevent rust.
4. Store in a clean, dry area. Do not store next to
corrosive materials, such as fertilizer.
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, especially
any springs, bearings and cables.
SECTION 9: TROUBLE SHOOTING GUIDE
NOTE: For repairs beyond the minor adjustments above, contact your local authorized service dealer.
Trouble Possible Cause(s) Corrective Action
Engine fails to
start
Fuel tank empty, or stale fuel.
Throttle control lever not in correct
starting position (if so equipped).
Blocked fuel line.
Choke not in ON position.
Spark plug wire disconnected.
Faulty spark plug.
Engine flooded.
Fill tank with clean, fresh gasoline. Fuel will not last over
thirty days unless a fuel stabilizer is used.
Move throttle lever to start position.
Clean fuel line.
Move switch to ON position.
Connect wire to spark plug.
Clean, adjust gap or replace.
Refer to the engine manual packed with your unit.
Engine runs
erratic
Unit running on CHOKE.
Spark plug wire loose.
Blocked fuel line or stale fuel.
Vent in gas cap plugged.
Water or dirt in fuel system.
Dirty air cleaner.
Carburetor out of adjustment.
Move choke lever to OFF position.
Connect and tighten spark plug wire.
Clean fuel line; fill tank with clean, fresh gasoline. Fuel will
not last over thirty days unless a fuel stabilizer is used.
Clear vent.
Drain fuel tank. Refill with fresh fuel.
Refer to the engine manual packed with your unit.
Refer to the engine manual packed with your unit.
Engine over-
heats
Engine oil level low.
Dirty air cleaner.
Air flow restricted.
Carburetor not adjusted properly.
Fill crankcase with proper oil.
Refer to the engine manual packed with your unit.
Refer to the engine manual packed with your unit.
Adjust carburetor as instructed in separate engine manual.
Tines do not
engage
Foreign object lodged in tines.
Tine clevis pin(s) missing.
Pulley and idler not in correct
adjustment.
Control cable not adjusted properly.
Belt worn and/or stretched.
Dislodge foreign object.
Replace tine clevis pin(s).
Take unit to authorized service dealer.
Adjust control cable (see assembly instructions).
Replace belt.
14
6
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
30
37
30
43
27
23
46
47
48
49
1
2
3
4
5
2
7
50
60
30
REF PART
NO. NO.
N° DE N° DE
RÉF PIÈCE DE SCRIP TION DE SCRIP TION
1 712-0442 Acorn Lock Nut 1/4-20 Écrou crénelé
2 736-3020 Flat Washer .266 ID x .625 OD Rondelle plate 0,266 DI x 0,625 DE
3 720-0270A Reverse Handle Grip Poignée
4 731-1600 Handle cover (w/o throttle) Couvercle de poignée (sans obturateur)
5 710-0779A Truss Mach Tapp Scr #10 x .50 Vis taraudée NO 10 x 0,50
6 720-0274 Grip Poignée
7 712-0287 Hex Nut 1/4-20 Écrou hex 1/4-20
8 726-0135 Cap Speed Nut 5/16" Rod Écrou rapide 5/16
9 686-0083 Clutch Handle Assembly Poignée d’embrayage
10 720-0269 Grip-Clutch Poignée d’embrayage
11 710-0641 Screw - .250-20 x 2.25 Hex Wash Vis auto-fileteuse AB à tête hex et rondelle
12 731-1645A Clutch Handle Holder Poignée d’embrayage
13 736-0140 Flat Washer .385 ID x .62 OD x .06 Rondelle frein 0,385 DI x 0,62 DE x 0,06
14 686-0014A Reverse Handle Ass’y Poignée arrière
15 736-0264 Flat Washer .344 ID x .625 OD x .063 Rondelle plate 0,344 DI x 0,625 DE x 0,063
16 649-0022B Handle Ass’y Complete Ensemble de poignée
17 710-1236 Carriage Screw 5/16-18 x 1.0 Boulon ordinaire 5/16-18 x 1,0
18 720-0195 Hand Knob Bouton
19 749-1401 Handle Brace Support de poignée
20 736-0921 L-Washer 1/2" ID Rondelle frein 1/2 DI
21 710-3194 Hex Bolt 1/2-20 Gr. 5 Boulon hex 1/2-20 Qual. 5
22 786-0005 Depth Bar Barre de profondeur
23 714-0149B Internal Cotter Pin Goupille fendue interne
24 712-3004A Hex Flange L-Nut 5/16-18 Contre-écrou à embase 5/16-18
25 786-0003 Tail Piece Brkt. (LH) Support de la partie arrière (CG)
26 786-0004 Tail Piece Brkt. (RH) Support de la partie arrière (CD)
27 711-0415 Clevis Pin 3/8 Dia Axe de chape 3/8 Dia.
28 710-0805 Hex Bolt 5/16 - 18 x 1.50" Lg. Gr. 5 Boulon Hex 5/16 - 18 x 1,50 po de lg Qual. 5
29 710-0189 Hex Screw 5/16-18 x 3.00 Vis à tête hexagonale 5/16-18 x 3,00
30 736-0242 Bell. Washer .345 ID x .88 OD x .06 Rondelle creuse 0,345 DI x 0,88 DE x 0,060
31 711-1036A Spec. Hex. Nut Écrou hex spéciale
32 736-0119 L-Wash 5/16 ID Rondelle frein 5/16 DI
33 710-3008 Hex Bolt 5/16-18 x .75" Lg. Gr. 5 Boulon hex. 5/16-18 x 0,75 po de lg. Qual. 5
34 786-0129 Cable Guide Bracket Support du câble
35 710-0604A Hex Wash HD Scr 5/16-18 x .62 Vis taraudée 5/16-18 x 0,62
36 710-0602 Hex Wash Hd Tapp Scr 5/16-18 x 1.00 Vis auto-fileteuse à tête hex et rondelle 5/16-18
37 738-0934 Shoulder Bolt 5/16-18 Boulon épaulement 5/16-18
38 786-0138A Frame RH Bâti - droite
39 786-0139A Frame LH Bâti -gauche
40 736-0171 Lockwasher 7/16 ID Rondelle frein 7/16 DI
41 712-0240 Hex Jam Nut 7/16-20 Contre-écrou hexagonal 7/16-20
42 710-0176 Hex Scr 5/16-18 x 2.75 Vis à tête hexagonale 5/16 x 2,75
43 712-0429 Hex Ins. L-Nut 5/16-18 Contre-écrou de blocage 5/16-18
46 686-0081A Wheel Hanger Brkt. Ass’y Support de roue
47 734-1781 Wheel Ass’y 8" x 1.80 Ensemble de roue 8 x 1,80
734-1566 Wheel Ass’y 8" x 1.75 Ensemble de roue 8 x 1,75
48 738-0929 Shoulder Screw .496 ID x 1.445 OD Vis à èpaulement 0,496 DI x 1,445 DE
49 750-0890 Spacer .32" ID x .75" OD Entretoise 0,32 DI x 0,75 DE
50 686-0091 Chain Case Ass’y. Complete Ensemble de carter de la chaîne - complet
340_390
5.21.04
15
16
3
17
18
21
19
16
42
43
45
46
4
5
7
11
2
1
6
8
9
10
5
14
44
37
40
22
39
41
36
38
33
3
13
30
29
32
31
34
35
28
27
48
47
25
26
24
24
23
20
25
19
49
REF PART
NO. NO.
N° DE N° DE
RÉF PIÈCE DESCRIPTION DESCRIPTION
1 712-0392 Hex Lock Stop Nut 1/4-28 Contre-écrou d’arrêt 1/4-28
2 736-3020 Flat Washer .266 ID x .625 OD Rondelle plate 0,266 DI x 0,625 DE
3 710-0599 Hex Wash S-Tapp Scr 1/4-20 x .50 Vis autotaraudeuse à rondelle hex. de 1/4-20 x 0,5
4 711-0920 Belt Cover Bolt Boulon - couvercle courroie
5 712-3004A Hex Flange L-Nut 5/16-18 Contre-écrou à embase 5/16-18
6 710-0723 Hex Screw 3/8-16 X 1.25 Vis à tête hexagonale 3/8-16 X 1,25
7 756-0313 Flat Idler 2.0 X 1.0 w/flange Tendeur de plate 2,0 X 1,0 avec collet
8 786-0149 Belt Idler keeper Tendeur le dispositif de retenue de la courroie
9 786-0144 Idler Bracket Support de tendeur
10 712-0266 Hex Cent L-Nut 3/8-16 Contre-écrou de blocage 3/8-16
11 786-0057 Belt Cover Couvercle de la courroie
13 786-0043A Tine Shield Bouclier de dents
14 710-3008 Hex Bolt 5/16-18 x .75" Lg. Gr. 5 Boulon hex. 5/16-18 x 0,75 po de lg. Qual. 5
16 686-0091 Chain Case Assembly Complete Ensemble de carter de la chaîne - complet
17 686-0106 Tine Disc Ends Disque des dents
18 714-0149B Internal Cotter Pin Goupille fendue interne
19 711-0415 Clevis Pin 3/8 Dia Axe de chape 3/8 Dia.
20 642-0005 Outer Tine Ass’y LH Ensemble des dents extérieur gauche
20 642-0004 Outer Tine Ass’y RH Ensemble des dents extérieur droit
21 642-0003 Inner Tine Ass’y - LH Ensemble des dents intérieur - gauche
21 642-0002 Inner Tine Ass’y - RH Ensemble des dents intérieur - droit
22 746-0918 Forward Clutch Cable Câble de commande de l’embrayage avant
23 746-0953 Reverse Clutch Cable Câble de commande de l’embrayage arrière
24 756-0585 Flat Pulley 6" Dia. Poulie plate 6 po diam.
25 750-0892 Spacer .64" Dia. x 2.4" Lg. Entretoise 0,64 diam. x 2,4 po de lg.
26 748-0350 Pulley Mounting Adapter Adapteur-montage du poulie
27 736-0112 Cupped Washer .56 ID x 1.5" Rondelle creuse 0,56 DI x 1,5
28 712-3029 Hex Jam Nut 1/2-20 Gr. 5 Conte-écrou hexagonal 1/2-20 Qual. 5
29 732-0697 Return Spring 2.7" Lg. Ressort 2,7 po de lg
30 786-0040B Reverse Mounting Bracket Support
31 736-0119 L-Wash 5/16 ID Rondelle frein 5/16 DI
32 710-0237 Hex Cap Scr. 5/16-24 x .625" Lg. Vis à chapeau hex. 5/16-24 x 0,625 po de lg
33 756-0971 Outer Engine Pulley Half Moitie extérieure de la poulie motrice
34 756-0600 Outer Engine Pulley Half Poulie-demi
35 736-0452 Cupped Washer Rondelle creuse
36 710-0152 Hex Cap Screw 3/8-24 X 1.00 Vis à chapeau hex. 3/8-24 X 1,00
37 686-0013 Reverse Arm Ass’y Bras arrière
38 712-0266 Hex Cent L-Nut 3/8-16 Contre-écrou de blocage 3/8-16
39 710-0102 Hex Screw 3/8-16 X 1.25 Vis â tête hexagonale 3/8-16 X 1.25
40 756-0313 Flat Idler 2.0 X 1.0 w/flange Tendeur de plate 2,0 X 1,0 avec collet
41 786-0041 Keeper Plate Plaque
42 710-0502A Hex Washer Scr 3/8-16 X 1.25 Vis à chapeau à six pans 3/8-16 x 1,25 po
43 786-0145A Engine Plate Plaque du moteur
44 786-0053 Tine Shield Support Support de protection des dents
45 736-0171 Lockwasher 7/16 ID Rondelle frein 7/16 DI
46 712-0240 Hex Jam Nut 7/16-20 Contre-écrou hexagonal 7/16-20
47 754-0428 “V” Belt (Forward) Courroie trapezoïdale (avant)
48 754-0429 “V” Belt (Reverse) Courroie trapezoïdale (arrière)
49 738-0930 Shoulder Bolt Vis à épaulée
21A-390
12.02.03
17
18
TWO YEAR LIMITED WARRANTY
For TWO YEARS from the date of retail purchase within Canada, MTD PRODUCTS LIMITED will, at its option, re
-
pair or replace, for the original purchaser, free of charge, any part or parts found to be defective in material or
workmanship.
This warranty does not cover:
1. Any part which has become inoperative due to misuse, commercial use, abuse, neglect, accident, im
-
proper maintenance or alteration; or
2. The unit if it has not been operated and/or maintained in accordance with the owner’s instructions fur
-
nished with the unit; or
3. The engine or motor or component parts thereof which carry separate warranties from their manufac
-
turers. Please refer to The applicable manufacturer’s warranty on these items; or
4. Batteries and normal wear parts except as noted below. Log splitter pumps, valves and cylinders or
component parts thereof are covered by a one year warranty; or
5 Routine maintenance items such as lubricants, filters, blade sharpening and tune-ups, or adjustments
such as brake, clutch or deck; or
6. Normal deterioration of the exterior finish due to use or exposure.
Full Ninety Day Warranty on Battery: For ninety (90) days from the date of retail purchase, if any battery included
with this unit proves defective in material or workmanship and our testing determines the battery will not hold a
charge, MTD PRODUCTS LIMITED will replace the battery at no charge to the original purchaser.
Additional Limited Thirty Day Warranty on Battery: After ninety (90) days but within one hundred twenty (120)
days from the date of purchase, MTD PRODUCTS LIMITED will replace the defective battery, for the original pur-
chaser, for a cost of one-half (1/2) of the current retail price of the battery in effect at the date of return.
Full Sixty Day Warranty on Normal Wear Parts: Normal wear parts are defined as belts, blade adapters, blades,
grass bags, seats, tires, rider deck wheels and clutch parts (friction wheels). These parts are warranted to the origi-
nal purchaser to be free from defects in material and workmanship for a period of sixty (60) days from the date of
retail purchase.
How to Obtain Service: Warranty service is available, with proof of purchase, through your local authorized ser-
vice dealer or distributor. If you do not know the dealer or distributor in your area, please write to the Service
Department of MTD PRODUCTS LIMITED, P. O. BOX 1386, KITCHENER, Ontario, N2G 4J1. The return of a com
-
plete unit will not be accepted by the factory unless prior written permission has been extended by MTD
PRODUCTS LIMITED.
Transportation Charges: Transportation charges for the movement of any power equipment unit or attachment
are the responsibility of the purchaser. Transportation charges for any part submitted for replacement under this
warranty must be paid by the purchaser unless such return is requested in writing by MTD PRODUCTS LIMITED.
Other Warranties: All other warranties, express or implied, including any implied warranty of merchantability is lim
-
ited in its duration to that set forth in this express limited warranty. The provisions as set forth in this warranty
provide the sole and exclusive remedy of MTD PRODUCTS LIMITED obligations arising from the sale of its prod
-
ucts.
MTD PRODUCTS LIMITED will not be liable for incidental or consequential loss or damage.
19
NOTES
20
NOTES
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Yard Machines 300 Manuel utilisateur

Catégorie
Mini motoculteurs
Taper
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