Troy-Bilt 31AH55LH565 Le manuel du propriétaire

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MTD Products Ltd., P. O. Box 1386, KITCHENER, ONTARIO N2G 4J1
Printed In USA
Safe Operation Practices • Set-Up • Operation • Maintenance • Troubleshooting • Warranty
WARNING
READ AND FOLLOW ALL SAFETY RULES AND INSTRUCTIONS IN THIS MANUAL
BEFORE ATTEMPTING TO OPERATE THIS MACHINE.
FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
277cc, 357cc & 420cc OHV Horizontal Shaft Engine
OPERATOR’S MANUAL
769- 06147A
0 9. 28 .10
This Operator’s Manual is an important part of your new engine. It will help you prepare and maintain the engine for the best
performance. Please read and understand the contents before operating the engine.
Thank You
Customer Support
Please do NOT return the machine to the retailer or dealer without first contacting our Customer Support Department.
If you have difficulty with this product or have any questions regarding the controls, operation, or maintenance of this
engine, you can seek help from the experts. Choose from the options below:
Visit us on the web at www.mtdcanada.ca
Call a Customer Support Representative at (800) 668-1238
Write us at P.O. Box 1386 • 97 Kent Avenue • Kitchener, Ontario, Canada • N2G 4J1
MO d e l nu M b e r /se r i a l nu M b e r
/
Record Product Information
Before operating your new engine, please locate the model plate on the engine and record the information in the provided area
below. This information will be necessary, should you seek technical support via our web site or with your local dealer.
To The Owner
1
2
Safe Operation Practices ........................................ 3
Safety Labels ............................................................ 5
Set-Up ....................................................................... 6
Controls & Features ................................................. 9
Operation ................................................................10
Maintenance & Adjustments .................................13
Troubleshooting .....................................................18
Replacement Parts .................................................19
Warranty ................................................................ 20
Table of Contents
Important Safe Operation Practices
2
3
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 the equipment. Failure to
comply with these instructions may result in personal injury. When you see this symbol.
HEED IT’S WARNING!
DANGER! This machine was built to be operated according to the safe operation practices
in this manual. As with any type of power equipment, carelessness or error on the part of the
operator can result in serious injury. This machine is capable of amputating fingers, hands,
toes and feet and throwing foreign objects. Failure to observe the following safety
instructions could result in serious injury or death.
CALIFORNIA PROPOSITION 65
WARNING! Engine Exhaust, some of its constituents, and certain vehicle components
contain or emit chemicals known to State of California to cause cancer and birth defects
or other reproductive harm.
Training
Read, understand and follow all instructions on the engine 1.
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.
Be familiar with all controls and their proper operation. 2.
Know how to stop the engine and disengage them quickly.
Never allow children under 14 years of age to operate the 3.
engine. Children 14 and over should read and understand
the instructions and safe operation practices in this manual
and on the engine and be trained and supervised by an
adult.
Never allow adults to operate the machine without proper 4.
instruction.
Keep the area of operation clear of all persons, particularly 5.
small children and pets. Stop machine if anyone enters the
area.
Preparation
Thoroughly inspect the area where the equipment is to 1.
be used. Remove all stones, sticks, wire and other foreign
objects which could be tripped over and cause personal
injury.
Wear sturdy, rough-soled work shoes and close fitting 2.
slacks and shirts. Loose fitting clothes or jewelry can be
caught in the moving parts. Never operate the machine in
bare feet or sandals.
Disengage clutch levers and shift (if equipped) into nuetral 3.
(“N”) before starting the engine.
Never leave the engine running while unattended.4.
Never attempt to make any adjustments while the engine 5.
is running, except where specifically recommended in the
operator’s manual.
Safe Handling of Gasoline:
To avoid personal injury or property damage, use extreme care
in handling gasoline. Gasoline is extremely flammable and the
vapors are explosive. Serious personal injury can occur when
gasoline is spilled on yourself and/or your clothes which can
ignite. Wash your skin and change clothes immediately.
When adding fuel, turn engine OFF and let engine a.
cool at least 2 minutes before removing the gas cap.
Fill fuel tank outdoors or in well ventilated area.b.
Use only an approved gasoline container.c.
Never fill containers inside a vehicle or on a truck d.
or trailer bed with a plastic liner. Always place
containers on the ground away from your vehicle
before filling.
If possible, remove gas-powered equipment from e.
the truck or trailer and refuel it on the ground. If this
is not possible, then refuel such equipment on a
trailer with a portable container, rather than from a
gasoline dispenser nozzle.
Keep the nozzle in contact with the rim of the fuel f.
tank or container opening at all times until fueling is
complete. Do not use a nozzle lock-open device.
4 Se c t i o n 2 — im p o r t a n t en g i n e Sa f e op e r a t i o n pr a c t i c e S
Do not overfill fuel tank. Fill tank to no more than g.
⁄ inch below the bottom of the filler neck to allow
space for fuel expansion.
Replace gasoline cap and tighten it securely.h.
If gasoline is spilled, wipe it off the engine and the i.
equipment. Move the machine to another area. Wait
five minutes before starting the engine.
To reduce fire hazards, keep the machine free of j.
grass , leaves or other debris build up. Clean up oil or
fuel spillage and remove any fuel-soaked debris.
Keep gasoline away from sparks, open flames, pilot k.
lights, heat, and other ignition sources.
Never fuel equipment indoors because flammable l.
vapors will accumulate in the area.
Extinguish all cigarettes, cigars, pipes, and other m.
sources of ignition.
Check fuel line, tank, cap, and fittings frequently for n.
cracks or leaks. Replace if necessary.
Operation
When starting the engine, make sure spark plug, muffler, 1.
and fuel cap are in place.
Do not crank engine with spark plug removed.2.
If fuel spills, wait until it evaporates before starting engine.3.
Allow muffler, engine cylinder, and fins to cool before 4.
touching.
Keep children away from hot or running engines. They can 5.
suffer burns from a hot muffler.
Remove accumulated combustibles from muffler and 6.
cylinder area.
Operate equipment with all guards in place.7.
Keep hands and feet away from rotating parts.8.
Tie up long hair and remove jewelry.9.
Do not wear loose-fitting clothing, dangling drawstrings or 10.
items that could become caught.
When starting the engine, pull cord slowly until resistance 11.
is felt, then pull rapidly.
Remove all external equipment/engine loads before 12.
starting engine.
Direct coupled equipment components such as, but not 13.
limited to blades, impellers, pulleys, sprockets, etc., must
be securely attached.
Maintenance & Storage
Keep the engine in safe working order1.
Allow the engine to cool at least five minutes before 2.
storing. Never tamper with safety devices. Check their
proper operation regularly.
Check bolts and screws for proper tightness at frequent 3.
intervals to keep the engine in safe working condition.
Visually inspect the engine for any damage.
Before cleaning, repairing or inspecting; stop the 4.
engine and make certain 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 over-speed 5.
the engine. The governor controls the maximum safe
operating speed of the engine.
Maintain and replace safety and instruction labels as 6.
necessary.
Always refer to the operator’s manual for important details 7.
if the machine is to be stored for an extended period of
time.
If the fuel tank has to be drained, do this outdoors.8.
Observe proper disposal laws and regulations for gas, oil, 9.
etc. to protect the environment.
Notice Regarding Emissions
Engines which are certified to comply with California and federal
EPA emission regulations for SORE (Small Off Road Equipment)
are certified to operate on regular unleaded gasoline, and
may include the following emission control systems: Engine
Modification (EM), Oxidizing Catalyst (OC), Secondary Air
Injection (SAI) and Three Way Catalyst (TWC) if so equipped.
Spark Arrestor
WARNING: This machine 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.
A spark arrester for the muffler is available through your nearest
engine authorized service dealer.
5Se c t i o N 2 — iM p o r t a N t eN g i N e Sa f e op e r a t i o N pr a c t i c e S
WARNING! Your Responsibility — Restrict the use of this power machine to persons who read, understand and
follow the warnings and instructions in this manual and on the machine.
SAVE THESE INSTRUCTIONS!
Safety Symbols
This page depicts and describes safety symbols that may appear on this product. Read, understand, and follow all instructions on the
machine before attempting to assemble and operate.
Symbol Description
READ THE OPERATOR’S MANUAL(S)
Read, understand, and follow all instructions in the manual(s) before attempting to
assemble and operate
WARNING—GASOLINE IS FLAMMABLE
Allow the engine to cool at least two minutes before refueling.
WARNING CARBON MONOXIDE
Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon
monoxide, an odorless and deadly gas.
WARNING— ELECTRICAL SHOCK
Do not use the engine’s electric starter in the rain
WARNING— HOT SURFACE
Engine parts, especially the muffler, become extremely hot during operation. Allow engine
and muffler to cool before touching.
Oil & Fuel Specifications
IMPORTANT: Your equipment may or may not have been
shipped with oil in the engine. You must, however, check the oil
level prior to operating the equipment. Running the engine with
insufficient oil can cause serious engine damage and void the
engine warranty.
WARNING! Always keep hands and feet clear of
equipment moving parts. Do not use a pressurized
starting fluid. Vapors are flammable.
Oil Recommendations
Before starting engine, fill with motor oil, capacity is 1100 ml/37
oz. Refer to viscosity chart in Fig. 3-1 for oil recommendations.
Do not over-fill. Use a 4-stroke, or an equivalent high detergent,
premium quality motor oil certified to meet or exceed
U.S. automobile manufacturers requirements for service
classification SG, SF. Motor oils classified SG, SF will show this
designation on the container.
NOTE: Do not use non-detergent oil or 2-stroke engine oil. It
could shorten the engine’s service life.
Checking Oil Level
Some engines will have a quarter-turn oil fill/dipstick cap, others
may have a threaded oil fill/dipstick cap. Follow the instructions
next that apply to your engine model.
Checking Oil Level on Engines with Quarter-Turn Oil Fill Caps
NOTE: Be sure to check the oil while on a level surface with the
engine stopped.
To avoid engine damage, it is important to:
Check oil level before each use and every 5 operating •
hours when engine is warm. Check oil level more
frequently during engine break-in.
Keep oil level between high (H) and low (L) marks on •
dipstick. See Fig. 3-2.
Be sure oil fill cap/plug is tightened securely when •
checking.
Remove the oil filler cap/dipstick and wipe the dipstick 1.
clean. See Fig. 3-2.
Insert the cap/dipstick into the oil filler neck, and tighten 2.
the cap until seated.
Remove the oil filler cap/dipstick. If the level is low, slowly 3.
add oil until oil level registers between high (H) and low (L),
Fig. 3-2.
Replace and tighten cap/dipstick firmly before starting 4.
engine.
NOTE: Do not overfill. Overfilling with oil may cause smoking,
hard starting, or spark plug fouling.
NOTE: DO NOT allow oil level to fall below the low (L) mark on
the dipstick. Doing so may result in equipment malfunctions or
damage.
NOTE: To change the oil on your engine, see the Maintenance
Section of this manual.
Fill
between
high
and low
marks
Figure 3-1
Figure 3-2
Set-Up
3
6
Filling Oil Sump
Be sure the engine is upright and level.1.
Remove the oil fill cap dipstick from oil filler tube by 2.
rotating counter-clockwise and lifting the dipstick out of
the engine. Wipe the dipstick clean with a shop rag.
Insert oil fill cap dipstick back into oil filler tube. On 3.
quarter-turn oil fill caps, tighten by rotating the cap
clockwise until firmly seated.
NOTE: Some units may have a threaded dipstick. In this
instance, insert the cap/dipstick into the oil filler neck, but
do not screw it in to check.
Loosen and remove the oil fill cap dipstick from the oil 4.
filler tube. Note the oil level, if oil reading on the dipstick is
below the low (L) mark, slowly add oil to reach the high (H)
mark. See Fig. 3-2 or 3-3, whichever is applicable.
Insert oil fill cap dipstick back into oil filler tube. Tighten by 5.
rotating the cap clockwise until firmly seated.
Wipe away any spilled oil.6.
NOTE: To change the oil, see Checking and Changing Oil
instructions in the Maintenance Section of this manual.
Checking Oil Level on Engines with Threaded Oil Fill Caps
NOTE: Be sure to check the oil while on a level surface with the
engine stopped.
To avoid engine damage, it is important to:
Check oil level before each use and every 5 operating
hours when engine is warm. Check oil level more
frequently during engine break-in.
Keep oil level between high (H) and low (L) on
dipstick. See Fig. 3-3.
Be sure to rest oil fill cap on the threads when
checking. Do not tighten down oil fill cap when
checking the oil on threaded oil fill cap engines.
Remove the oil filler cap/dipstick and wipe the dipstick 1.
clean. See Fig. 3-3.
Insert the cap/dipstick into the oil filler neck, but do not 2.
screw it in. Do not tighten down when checking.
Remove the oil filler cap/dipstick. If the level is low, slowly 3.
add oil until oil level registers between high (H) and low (L),
Fig. 3-3.
Replace and tighten cap/dipstick firmly before starting 4.
engine.
NOTE: Do not overfill. Overfilling with oil may cause smoking,
hard starting, or spark plug fouling.
NOTE: DO NOT allow oil level to fall below the low (L) mark on
the dipstick. Doing so may result in equipment malfunctions or
damage.
NOTE: To change the oil on your engine, see the Maintenance
Section of this manual.
Fill
between
high
and low
marks
Figure 3-3
7se c t i O n 2 — se t -up
Fuel Recommendations
CAUTION: Operating the engine with E85 fuel, an
oil/gasoline mixture, dirty gasoline, or gasoline over
30 days old that has not been stabilized using a fuel
additive, may result in damage to your engine’s
carburetor. Subsequent damage would not be
covered under the manufacturer’s warranty.
Use automotive gasoline (unleaded or low leaded to minimize
combustion chamber deposits) with a minimum of 87 octane.
Gasoline with up to 10% ethanol or 15% MTBE (Methyl Tertiary
Butyl Ether) can be used. Never use an oil/gasoline mixture or
dirty gasoline. Avoid getting dirt, dust, or water in the fuel tank.
DO NOT use E85 gasoline.
WARNING! Gasoline is extremely flammable and is
explosive under certain conditions.
Refuel in a well-ventilated area with the engine stopped.
Do not smoke or allow flames or sparks in the area where
the engine is refueled or where gasoline is stored.
Do not overfill the fuel tank. After refueling, make sure the
tank cap is closed properly and securely.
Be careful not to spill fuel when refueling. Spilled fuel or
fuel vapor may ignite. If any fuel is spilled, make sure the
area is dry before starting the engine.
Avoid repeated or prolonged contact with skin or
breathing of vapor.
Adding Fuel
WARNING! An adult should fuel this engine. NEVER
allow children to refuel this engine. Gasoline (fuel)
vapors are highly flammable and can explode. Fuel
vapors can spread and be ignited by a spark or flame
many feet away from engine. To prevent injury or
death from fuel fires, follow these instructions:
DO NOT use leaded fuel.
Fuel must be fresh and clean. NEVER use fuel left over
from last season or stored for long periods.
NEVER mix oil with fuel.
DO NOT use fuel containing Methanol (Wood
Alcohol)
Before refueling, allow engine to cool for two minutes.1.
Be sure engine is outdoors and in a well-ventilated area.2.
Clean area around the fuel fill cap and remove the fuel fill cap.3.
Using an approved red GASOLINE container, add fuel 4.
slowly, being careful to avoid spilling.
NOTE: On tanks with a fuel level indicator, fill the tank
until the fuel reaches the “fuel full” indicator mark. See Fig.
3-4. All other tanks, fill tank until the fuel reaches a ⁄ inch
below the bottom of the filler neck to allow space for fuel
expansion. Be careful not to overfill.
Replace the fuel cap and tighten securely. Wipe up spilled 5.
fuel before starting engine. If fuel is spilled DO NOT start
engine. Move machine away from area of spillage. Avoid
creating any source of ignition until fuel vapors are gone.
Be sure fuel valve, if present, is open.6.
Electrical Power
WARNING! DO NOT pull starter rope with engine
running. Doing so may VOID YOUR WARRANTY.
NOTES: When connecting power cord always connect power
cord to switch box on engine first; then into outlet. See Fig. 3-5
Determine what type of power source outlet you will be
connecting the power cord to, before you start your engine.
See Engines with Electric Starters instructions in the Operation
Section of this manual.
Fuel Level Indicator
Top View
Figure 3-4
Figure 3-5
8 se c t i O n 2— se t -up
Starter Handle
Primer
Muffler
Muffler
Oil Drain
Air Filter Cover
Electric Inlet &
Starter Button
Air Filter
Thumb Screws
Oil Drain
Fuel Fill
Fuel Fill
Oil Fill/Dipstick
Oil Fill/Dipstick
Fuel Shut-Off
Control
Choke
Choke
Key
Throttle
Throttle
Figure 4-1
Throttle
It regulates the speed of the engine and will shut off the engine
when moved into the STOP position.
Choke
Activating the choke closes the choke plate on the carburetor
and aids in starting the engine.
Fuel Shut-Off Control
If equipped, is used for controlling the flow of fuel between
usage and transport/storage.
Primer
Pressing the primer forces fuel directly into the engine’s
carburetor to aid in starting a “Cold” engine.
Oil Drain
Removing the oil drain plug will drain the oil from the engine.
Oil Filler Cap & Dipstick
Remove the oil cap to check the oil level and add oil.
Fuel Fill
Remove the cap to add fuel.
Electric Starter Inlet
Requires the use of a three-prong outdoor extension cord and a
120V power source/wall outlet.
Recoil Starter Handle
This handle is used to manually start the engine.
Electric Start Button
Pressing the button on the top of the electric starter switch
engages the engine’s electric starter when plugged into a 120V
power source.
Key
The key is a safety device. It must be fully inserted in order for the
engine to start. Remove the key when the snow thrower is not in
use.
Important: Do not turn the key in an attempt to start the
engine. Doing so may cause it to break.
Controls and Features
4
9
Pre-Operation Check
IMPORTANT: Your equipment may or may not have been
shipped with oil in the engine. You must, however, check the oil
level prior to operating your equipment. Running the engine
with insufficient oil can cause serious engine damage and void
the engine warranty.
For your safety, and in order to maximize the service life of this
equipment, it is very important to check its condition before you
operate this engine. Make certain to service, correct or fix any
problem that might be identified before attempting to operate
this engine.
WARNING! Improperly maintaining this engine, or
failure to correct any problem before operation can
cause a malfunction which could result in serious
injury or even death.
Always perform a pre-operation inspection before
each operation, and correct any problem.
Before you start the engine, always check the following items:
Fuel Recommendations 1. (See Set Up Section)
Checking Oil Level 2. (See Set Up Section)
Air Filter, if equipped 3. (See Maintenance Section)
General Overall Inspection. Check for any fluid leaks or 4.
discharges, and loose or damaged parts.
Check the owner’s manual provided with the equipment 5.
that is powered by this engine. Review the owner’s manual
for any precautions and procedures that should be
followed before starting the engine.
Starting the Engine
WARNING! Always keep hands and feet clear of
moving parts. Do not use a pressurized starting
fluid. Vapors are flammable.
WARNING! An adult should start the engine. Only
allow children to start the engine if an adult has
determined they are experienced and capable of
such operation.
WARNING! If you are unable to start this engine
after following instructions in this manual, contact
you authorized Service Dealer. To avoid serious burn
injuries or damage to your engine, DO NOT attempt
to start or troubleshoot this engine in any other way.
for example:
DO NOT use starting fluid.
DO NOT spray flammable vapors into the
carburetor.
DO NOT put flammable liquids into carburetor.
DO NOT operate engine or pull on starter rope
with spark plug removed. Fuel can spray from
spark plug hole and ignite.
NOTE: Allow the engine to warm up for a few minutes after
starting. The engine will not develop full power until it reaches
operating temperatures.
Familiarize yourself with the engine symbols shown in Fig. 5-1
before attempting to start this engine. If this engine is remotely
controlled by the equipment it is powering, be sure to familiarize
yourself with the equipment Operators Manual as well.
NOTE: The following starting instructions are for several different
types of engines. In order to locate the instructions that apply to
your engine, first determine what type of starter you have. If you
have an electric starter, see Engines With Electric Starters. If you
have a manual recoil starter, see Engines with Recoil Starters later
in this section.
Engines With Electric Starters
If you have a manual recoil starter, see Engines with Recoil
Starters later in this section.
WARNING! DO NOT pull the starter handle while
the engine is running.
WARNING! Some electric starters are equipped
with a 120V A.C. Three-Wire Power Cord and Plug
designed to operated on a 120V A.C. household
current. It must be properly grounded at all times
to avoid the possibility of injury or death from
electrical shock.
Determine if your house wiring has a Ground Fault a.
Interrupted (G.F.I.) Three-Wire Grounded System; if
you are not sure, ask a Licensed Electrician.
If your house wiring does not have a G.F.I. Three-b.
Wire Grounded System, DO NOT USE THIS ELECTRIC
STARTER UNDER ANY CONDITION.
ChokeRun
Fast Slow/Idle Engine Off
Primer
Figure 5-1
Operation
5
10
If your house wiring is grounded and a G.F.I. c.
three-Prong Wall Receptacle is not available at the
location where your starter will be used, one must
be installed by a Licensed Electrician BEFORE USING
THE ELECTRIC STARTER!
To avoid carbon monoxide poisoning, be sure engine is 1.
outdoors in a well-ventilated area.
Be sure fuel valve, if present (see equipment Operator’s 2.
Manual instructions) is open and all switches are on.
NOTE: If your engine is equipped with a 12V battery-
operated electric starter, proceed Step 5.
IMPORTANT: When connecting the power cord, always
connect the power cord to the switch box on the engine first;
then into the outlet.
Connect the power cord to the switch box on the engine.3.
Plug end of the power cord into the outlet.4.
Move engine speed control, if equipped, in the “Fast5.
position.
Set the choke control to “FULL CHOKE” position.6.
Hold the primer bulb in for one full second each time you 7.
press it.
Make sure you cover the vent hole with your
thumb.
Repeat twice for a total of three primes.
IMPORTANT: DO NOT operate an electric starter for more than
5 seconds during each attempt.
NOTE: DO NOT use the primer bulb to restart a warm
engine after a short shutdown. Doing so will flood the
engine and may result in equipment malfunction.
NOTE: If restarting a warm engine after a short shutdown,
move the engine speed control (if equipped) the “FAST”
position and move the choke control to the “NO CHOKE”
position.
Push the starter button to start the engine.8.
NOTE: If the engine fails to start after 3 attempts, repeat
steps 1 through 8.
When the engine starts:9.
Release the starter button.
Move the choke control to “1/2 CHOKE” position
until the engine runs smoothly.
Next, move the choke control to the “NO
CHOKE” position.
Move the engine speed control 10. (if equipped) to the desired
speed in the “RUN” range.
NOTE: If the engine starts but falters when the choke
control is moved to the “NO CHOKE” position:
Momentarily move choke control back to “FULL
CHOKE” position.
Next, move the choke control to !/2 “CHOKE”
position until engine runs smoothly.
Finally, move the choke control to the “NO
CHOKE” position.
If the engine dies after choke control is moved to “NO CHOKE”
position, repeat steps 5 through 10 to restart engine.
If the engine fails to start after 3 attempts in the “NO 11.
CHOKE” position, move the choke control to “FULL CHOKE
position and start engine.
NOTE: When disconnecting the power cord, always
disconnect the power cord from the outlet first; then
disconnect the power cord from the switch box on the
engine.
Disconnect the power cord form the outlet.12.
Disconnect the power cord form the switch box on the 13.
engine.
If engine does not start after following steps 1 through 12, 14.
contact your Authorized Service Dealer. DO NOT attempt
to troubleshoot this engine in any other way.
Engines with Recoil Starters
If you have an electric starter, see Engines with Electric Starters
earlier in this section.
WARNING! DO NOT pull starter rope with engine
running. Doing so may VOID YOUR WARRANTY.
To avoid carbon monoxide poisoning, be sure engine is 1.
outdoors in a well-ventilated area.
Be sure fuel valve, if present (see equipment Operator’s 2.
Manual instructions) is open and all switches are on.
Move the engine speed control, if equipped, to the “FAST3.
position.
Set the choke control to “FULL CHOKE” position.4.
Hold the primer bulb in for one full second each time you 5.
press it.
Make sure you cover the vent hole with your
thumb.
Repeat twice for a total of three primes.
NOTE: DO NOT use the primer bulb to restart a warm
engine after a short shutdown. Doing so will flood the
engine and may result in equipment malfunction.
NOTE: If restarting a warm engine after a short shutdown,
move the engine speed control (if equipped) the “FAST”
position and move the choke control to the “NO CHOKE”
position.
Operate equipment control to release engine brake or 6.
clutch, if equipped (see equipment Operator’s Manual).
WARNING! When pulling the starter rope, the rope
can unexpectedly jerk back toward the engine
causing serious injury. To avoid this risk, carefully
follow these instructions:
Grasp the starter cord handle.7.
Pull rope out slowly until you feel drag.
Without allowing the rope to retract, continue
pulling the rope with one rapid full arm stroke.
Return the rope slowly to the original position.
11se c t i O n 5 — Op e r a t i O n
NOTE: Following the instructions listed in the steps above avoids
potential damage to the recoil mechanism.
If the recoil starter handle is frozen and will not operate the
engine, proceed as follows:
Pull as much rope out of the starter as possible.
Release the starer handle and let it snap back
against the starter to break up ice’; these two
steps should only be done when the starter is
frozen.
If the engine fails to start after 3 attempts repeat steps 1 8.
through 7 and try again.
When the engine starts:9.
Move the choke control to “1/2 CHOKE” position
until the engine runs smoothly.
Next, move the choke control to the NO CHOKE
position.
Move the engine speed control 10. (if equipped) to the desired
speed in the “RUN” range.
NOTE: If the engine starts but falters when the choke
control is moved to the “NO CHOKE” position:
Momentarily move choke control back to “FULL
CHOKE” position.
Next, move the choke control to “!/2 CHOKE
position until engine runs smoothly.
Finally, move the choke control to the NO
CHOKE position.
If the engine dies after choke control is moved to “NO CHOKE”
position, repeat steps 3 through 10 to restart engine.
If the engine fails to start after 3 attempts in the “NO 11.
CHOKE” position, move the choke control to “FULL CHOKE
position and start engine.
If engine does not start after following steps 1 through 11, 12.
contact your Authorized Service Dealer. DO NOT attempt
to troubleshoot this engine in any other way.
Stopping the Engine & Short Term Storage
Stop engine in accordance with the equipment Operators
Manual.
WARNING! To avoid unsupervised engine
operation, especially by children, NEVER leave the
engine unattended while running. Always turn off
the engine after use and remove the ignition key, if
equipped.
WARNING! NEVER store the engine with fuel in the
fuel tank inside a building with potential sources of
ignition such as hot water tank and space heaters,
clothes drivers, electric motors, etc.
Stopping The Engine
If operating the engine in the snow or rain, run the engine 1.
for a few minutes to help dry off any moisture.
Move the equipment control, if present (see Equipment 2.
Owner’s Manual), engine control lever or ignition switch to
“STOP” or “OFF” position.
Remove ignition key, if provided (see equipment Operator’s 3.
Manual).
NOTE: Removing the key will reduce the possibility of
unauthorized starting of the engine while equipment is not
in use.
WARNING! NEVER store the engine with fuel in the
fuel tank inside a building with potential sources of
ignition such as hot water tank and space heaters,
clothes dryers, electric motors, etc.
After the Engine is Stopped
WARNING! To prevent the possible freeze-up of
engine controls, follow instructions with engine
STOPPED, listed below:
Wipe all snow and moisture from the engine control lever 1.
and choke areas.
Move the equipment control, if present, (see equipment 2.
Operator’s Manual), engine control lever or ignition switch
back and forth several times and leave the control in the
“STOP” or “OFF” position.
Move the engine choke back and forth several times and 3.
leave in the “FULL CHOKE” position.
Be sure the Fuel Shut-Off Valve, , if present, is off.4.
12 se c t i O n 5— Op e r a t i O n
Maintenance Schedule
First 5 Hours
Each Use or
Every 5 Hrs.
Every Season
or 25 Hours
Every Season
or 50 Hours
Every Season
or 100 Hours
Service Dates
Check Engine Oil Level
P
Change Engine Oil
P P
Check Air Cleaner (If equipped)
P
Service Air Cleaner (If equipped)
P
Check Spark Plug
P
Replace Spark Plug
P
Clean Engine Shroud (If equipped)
P
Clean around muffler
P
Replace Fuel Filter (If equipped)
P
Periodic inspection and adjustment of the engine is essential if
high level performance is to be maintained. Regular maintenance
will also ensure a long service life. The required service intervals
and the kind of maintenance to be performed are described
in the table above. Follow the hourly or calendar intervals,
whichever occur first. More frequent service is required when
operating in adverse conditions.
WARNING! Shut off the engine before performing
any maintenance. To prevent accidental start-up,
disconnect the spark plug boot.
NOTE: If engine must be tipped to transport equipment or to
inspect or remove grass, keep spark plug side of engine up.
Transporting or tipping engine spark plug down may cause
smoking, hard starting, spark plug fouling, or oil saturation of air
cleaner.
WARNING! If the engine has been running, the
muffler will be very hot. Be careful not to touch the
muffler.
Checking and Changing the Oil
To avoid engine damage, it is important to:
Check oil level before each use and every 5 operating hours •
when the engine is warm.
Change the oil after the first 5 operating hours and every •
50 operating hours thereafter. Engine should still be warm
but NOT hot from recent use.
Oil Fill Cap and Dipstick
WARNING! Before tipping engine or equipment to
drain oil, drain fuel from tank by running engine
until fuel tank is empty.
Carefully disconnect the spark plug wire and keep it away 1.
from the spark plug. Refer to Fig. 6-1 for spark plug location.
Keep the disconnected spark plug wire securely •
away from the metal parts where arcing could
occur.
Carefully attach the spark plug wire to the •
grounding post, if provided.
Be sure that the fuel fill cap is on and securely tightened.2.
Be sure to find correct oil drain plug location, if present 3.
(see the equipment Operator’s Manual instructions for
additional information). See Fig. 6-2.
Clean area around the oil drain plug. 4.
Place an approved recyclable oil container under the oil 5.
drain plug.
Remove the Oil drain plug. See Fig. 6-2.6.
WARNING! Used motor oil may cause skin cancer if
repeatedly left in contact with the skin for prolonged
periods. Although this is unlikely unless you handle
used oil on a daily basis, it is still advisable to
thoroughly wash your hands with soap and water as
soon as possible after handling used oil.
Maintenance
6
13
Tip engine to position the oil flow, so it will drain from the 7.
lowest point on the engine.
Drain the oil into an approved recyclable oil container.8.
NOTE: Please dispose of used motor oil in a manner that is
compatible with the environment. We suggest you take it in a
sealed container to your local service station for reclamation.
Do not throw it in the trash or pour it on the ground.
Install the oil drain plug and tighten securely.9.
Clean area around the oil drain plug.10.
Remove the oil fill cap dipstick.11.
Fill with the recommended oil 12. (See Set Up Section).
NOTE: DO NOT overfill oil filler. Doing so may result in oil
carry-over to the equipment and cause malfunction or
damage.
Wipe away any spilled oil.13.
Checking Oil Level 14. (See Set Up Section)
Install the oil fill cap dipstick. Tighten securely.15.
Carefully disconnect spark plug wire from grounding post, 16.
if present.
Carefully reconnect the spark plug wire to the spark plug. 17.
NOTE: It is advisable to recheck the oil level after you have
operated the engine for a short while, and the normal engine
operating temperature has been achieved.
WARNING! If the engine has been running, the
muffler, engine head and spark plug will be very hot.
Be careful not to touch any of these components
until they have cooled.
Spark Plug Service
WARNING! DO NOT check for spark with spark
plug removed. DO NOT crank engine with spark
plug removed.
Check the spark plug yearly or every 100 operating hours. To
ensure proper engine operation, the spark plug must be properly
gapped and free of deposits.
Remove the spark plug boot.1.
Clean the area around the spark plug.2.
Use a spark plug wrench to remove the plug. 3.
WARNING! If the engine has been running, the
muffler, engine head and spark plug will be very hot.
Be careful not to touch any of these components
until they have cooled.
Visually inspect the spark plug. Discard the spark plug 4.
if there is apparent wear, or if the insulator is cracked or
chipped. Replace the plug if the electrodes are pitted,
burned or fouled with deposits.
Clean the spark plug with a wire brush if it is to be reused.5.
Spark Plug
Spark Plug
Boot
Figure 6-1
Figure 6-2
0.06-0.03 in.
0.60-0.80 mm
Electrode
Figure 6-3
Oil
Drain
Oil Drain
Plug
Oil Drain
Plug
14 Se c t i o n 6— Ma i n t e n a n c e
Measure the plug gap with a feeler gauge. Correct as 6.
necessary by bending side electrode. See Fig. 6-3. The gap
should be set to 0.030 in. (0.76mm).
Check that the spark plug washer is in good condition7.
Thread the spark plug in by hand to prevent cross-8.
threading.
After the spark plug is seated, tighten with a spark plug 9.
wrench to compress the washer.
NOTE: When installing a new spark plug, tighten ⁄ turn
after the spark plug seats to compress the washer. When
reinstalling a used spark plug, tighten ⁄-⁄ turn after the
spark plug seats to compress the washer.
NOTE: The spark plug must be securely tightened. An
improperly tightened spark plug can become very hot and
may damage the engine.
Air Filter
NOTE: Not all engines have air filters, such as engines used for
snow throwers. Service the air filter if one is present.
Paper filters cannot be cleaned and must be replaced once a
year or every 10 operating hours; more often if used in extremely
dusty conditions.
WARNING! Never use gasoline or low flash point
solvents for cleaning the air cleaner element. A fire
or explosion could result.
NOTE: Never run the engines that have air filters without them.
Rapid engine wear can result.
Press the tab on the air filter cover and lift the cover, or 1.
un-thread the thumbscrews, depending on the model of
engine you have. See Fig. 6-4.
Replace paper element when dirty or damaged. Clean 2.
foam element or replace when damaged.
To clean foam element, separate it from the paper element 3.
and wash in liquid detergent and water. Allow to dry
thoroughly before using. Do not oil the foam element.
Adjustments
DO NOT make any engine adjustments. Factory settings are
satisfactory for most conditions. If adjustments are needed,
contact your Authorized Servicing Dealer.
Carburetor
If you think you carburetor needs adjusting, see your nearest
Authorized Servicing Dealer. Engine performance should NOT be
affected at altitudes up to 7,000 feet (2,134 meters). For operation
at higher elevations, contact your Authorized Servicing Dealer
Alternator (if equipped)
Contact your Authorized Servicing Dealer for alternator related
electrical problems such as:
Inoperative Starter•
Discharged Battery•
Fuse Replacement•
Alternator Maintenance/Repairs•
Engine Speed
WARNING! To avoid serious injury or death, DO
NOT modify engine in any way. Tampering with the
governor setting can lead to a runaway engine and
cause it to operate at unsafe speeds. NEVER tamper
with the factory setting of the engine governor.
WARNING! Running the engine faster than the
speed set at the factory can be dangerous and will
VOID THE ENGINE WARRANTY.
Removing Snow from the Engine
After each use, remove snow from the following areas:
Oil Fill Cap Dipstick•
Fuel Fill Cap•
Recoil Starter/Flywheel Screen•
Linkage•
Guards•
Spark Plug Connection (if visible).•
Electric Starter Switch Box, if present (see the •
equipment Operators Manual instructions).
NOTE: See the equipment Operators Manual instructions
for proper location of fuel fill cap and control lever.
Removing snow will ease operation of the recoil starter 4.
rope and reduce the risk of water contamination when
opening the fuel fill cap.
NOTE: For more information about recoil starters, see
Engine’s with Recoil Starters in the Operation Section of
this manual.
Figure 6-4
15Se c t i o n 6 — Ma i n t e n a n c e
Transporting Your Engine
WARNING! NEVER transport this engine inside of
another vehicle or in any enclosed space if there is
any gasoline in the tank. Fuel vapor or spilled fuel
may ignite.
WARNING ! If there is fuel in the fuel tank, close the
fuel valve, if equipped, and transport the engine
upright in an open vehicle, such as an open trailer or
open bed of a pickup truck.
If you DO NOT have an open vehicle and have to transport
the engine upright in a closed vehicle, follow these steps for
emptying the fuel tank before transporting:
Empty fuel tank by using a commercially available suction device
designed for use with gasoline.
WARNING! DO NOT pour fuel from the engine or
siphon fuel by mouth.
Drain fuel into an approved red gasoline container, being careful
to avoid spilling.
Run the engine until remaining fuel is consumed.
WARNING! NEVER leave the engine unattended
when it is running and NEVER run the engine in an
enclosed area.
Storing Your Engine
Short-Term/Seasonal Storage
Clean Engine
If the engine has been running, allow it to cool for at least half an
hour before cleaning.
Before servicing the engine, remove the carburetor cover and/or
blower housing. Discard the dirt and debris from the following
areas:
Cooling Fins•
Air Intake Screen or Recoil Starter/Flywheel •
Guard Areas
Spark Plug Connection•
Levers•
Linkage Area•
Guards•
Carburetor•
Head•
Removing debris will insure adequate cooling, correct engine
speed and reduce the risk of fire.
NOTE: Do not spray engine with water to clean because water
could contaminate fuel. Using a garden hose or pressure washing
equipment can also force water into the air cleaner or muffler
opening. Water in the air cleaner will soak the paper element,
and water that passes through the element or muffler can enter
the cylinder, causing damage.
WARNING! Accumulation of debris around muffler
could cause a fire. Inspect and clean before every
use.
Fuel Storage
WARNING! NEVER store engine with fuel in the
fuel tank inside a building with potential sources of
ignition such as hot water heater, space heater,
clothes dryer, electric motor, etc. Failure to do so
may result in an explosion and result in death or
serious injury.
NOTE: If engine fuel stored in the gas tank and/or an approved
gas container is to be unused without gasoline stabilizer for more
than 15-30 days, prepare it for short-term/seasonal storage. See
Fuel Treatment later in this section.
NOTE: If engine fuel is to be stored for more than one season,
without gasoline stabilizer, it will gradually deteriorate. Also, if
it is stored in the engine’s gas tank without gasoline stabilizer it
is likely that your carburetor will have gum deposits, a clogged
fuel system and will VOID YOUR WARRANTY. Prepare the fuel for
extended storage.
Fuel System
To avoid stale fuel and carburetor problems, treat the fuel system
in the following manner:
NOTE: Always follow mix ratio found on the stabilizer container.
Failure to do so may result in equipment damage.
NOTE: It is NOT necessary to drain stabilized gas from carburetor.
Fuel Treatment
Add fuel stabilizer according to Manufacturer’s 1.
instructions.
Run engine at least 10 minutes after adding the stabilizer to 2.
allow it to reach the carburetor.
WARNING! NEVER store the engine with the fuel in
the fuel tank inside a building with potential sources
of ignition such as a hot water heater, space heater,
clothes dryer, electric motor, etc.
NOTE: Instead of using a fuel preservative/stabilizer, you can
empty the fuel tank as described next in Extended Storage -
Draining the Fuel.
Extended Storage
Draining the Fuel
NOTE: Clean debris from the engine before draining fuel from
the carburetor.
NOTE: If you have prepared your fuel for short-term storage it
is NOT necessary to drain fuel that contains stabilizer from your
carburetor.
16 Se c t i o n 6— Ma i n t e n a n c e
WARNING! To avoid severe injury or death, DO
NOT pour fuel from engine or siphon fuel by mouth.
To prevent serious injury from fuel fires, empty fuel tank 1.
by running engine until it stops from lack of fuel. DO NOT
attempt to pour fuel from engine.
Run the engine while waiting until the remaining fuel is 2.
consumed.
WARNING! NEVER leave the engine unattended
when it is running and NEVER run the engine in an
enclosed area.
Begin servicing the cylinder bore as per the following 3.
instructions.
Oil Cylinder Bore4.
WARNING! When lubricating cylinder bore, fuel
may spray from the spark plug hole. To prevent
serious injury from fuel fires, follow these
instructions:
Carefully disconnect the spark plug wire and keep it away 1.
from the spark plug.
Keep the disconnected spark plug wire securely •
away from the metal parts where arcing could
occur.
Carefully attach the spark plug wire to the •
grounding post, if provided.
Disconnect the battery at the negative terminal first, if the •
engine is equipped with a D.C. electric starter.
Turn off all the engine switches.•
Remove the ignition key, if provided.•
Remove the spark plug.2.
Squirt 1oz. (30ml) of clean engine oil into the spark plug 3.
hole.
Cover the spark plug hole with a rag to prevent fuel from 4.
spraying from the spark plug hole when the starter rope is
pulled.
NOTE: for engines equipped with a recoil starter, proceed
to Step 5. For engines equipped with electric starters,
proceed to Step 6.
Grasp the starter cord handle:5.
Pull the starter cord handle out slowly using a •
full arm stroke.
Repeat once. This will distribute the oil •
throughout the cylinder to prevent corrosion
during storage.
Proceed to Step 7.•
Push starter button or turn ignition switch key to “START”: 6.
position. Immediately releases the starter button or turn
the ignition switch key to the “OFF” position. This will
distribute the oil throughout the cylinder to prevent
corrosion during storage.
Remove the rag from the spark plug hole.7.
Install the spark plug. 8.
Carefully disconnect the spark plug wire from the 9.
grounding post, if provided.
Connect the spark plug wire plug wire to the spark plug.10.
Oil
Change the oil if NOT changed within the last 3 months. See
Checking and Changing the Oil earlier in this section.
Off-Season Storage
CAUTION: Failure to use a fuel stabilizing additive
or completely run the engine until it’s out of fuel
before off-season storage may result in damage to
your engines carburetor. Subsequent damage
would not be covered under the manufacturers
warranty.
Engines stored between 30 and 90 days need to be treated with
a gasoline stabilizer and engines stored over 90 days need to be
drained of fuel to prevent deterioration and gum from forming
in fuel system or on essential carburetor parts. If the gasoline in
your engine deteriorates during storage, you may need to have
the carburetor, and other fuel system components, serviced or
replaced.
Remove all fuel from tank by running engine until it stops 1.
from lack of fuel.
WARNING! Never leave engine unattended while it
is running.
Change the oil. See Changing the Oil earlier in this section.2.
Remove the spark plug and pour approximately a 3. ⁄-ounce
of engine oil into the cylinder. Replace spark plug and
crank it slowly to distribute oil.
Clean debris from around the engine and the muffler. 4.
Touch up any damaged paint, and coat other areas that
may rust with a light film of oil.
Store in a clean, dry and well ventilated area away from any 5.
appliance that operates with a flame or pilot light, such
as a furnace, water heater, or clothes dryer. Also avoid any
area with a spark producing electric motor, or where power
tools are operated.
If possible, also avoid storage areas with high humidity, 6.
because that promotes rust and corrosion.
Keep the engine level in storage. Tilting can cause fuel or 7.
oil leakage.
17Se c t i o n 6 — Ma i n t e n a n c e
Problem Cause Remedy
Engine Fails to start Engine flooded1.
Spark plug wire disconnected2.
Fuel tank empty or stale fuel3.
Engine not choked4.
Faulty spark plug5.
Throttle in stop position6.
Wait at least 10 minutes before starting1.
Connect wire to spark plug2.
Fill tank with clean, fresh gasoline3.
Choke engine4.
Clean, adjust gap or replace5.
Move throttle to FAST/Run position6.
Engine runs erratically Spark plug wire loose1.
Spark plug scorched, defective or electrode 2.
gap is set incorrectly
Stale fuel3.
Engine running with choke on4.
Water or dirt in fuel system5.
Connect and tighten spark plug wire1.
Re-adjust electrode gap or change 2.
Fill tank with clean, fresh gasoline3.
Move choke to off4.
Drain fuel tank. Refill with fresh fuel5.
Engine overheats Engine oil level low1. Fill engine with proper amount of engine oil1.
Troubleshooting
7
18
Replacement Parts
8
19
ENGINE AIR FILTER SPARK PLUG FUEL CAP KEY FUEL FILTER
752Z478-SU N/A 951-10292 951-10649 731-05632 951-10652
752Z483-SU N/A 951-10292 951-10649 731-05632 951-10652
752Z490-SU N/A 951-10292 951-10649 731-05632 951-10652
752Z178- L0 951-10298 951-10292 951-10649 731-05632 951-10652
FEDERAL and/or CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT
YOUR WARRANTY RIGHTS AND OBLIGATIONS
MTD Consumer Group Inc, the United States Environmental Protection Agency (EPA), and, for those products certified for sale in the state of California, the
California Air Resources Board (CARB) are pleased to explain the emission (evaporative and/or exhaust) control system (ECS) warranty on your outdoor 2006
and later small off-road spark-ignited engine and equipment (outdoor equipment engine) In California, new outdoor equipment engines must be designed, built and
equipped to meet the State’s stringent anti-smog standards (in other states, 1997 and later model year equipment must be designed, built, and equipped to meet
the U.S. EPA small off-road, spark ignition engine regulations. MTD Consumer Group Inc must warrant the ECS on your outdoor equipment engine for the period of
time listed below provided there has been no abuse, neglect or improper maintenance of outdoor equipment engine.
Your ECS may include parts such as the carburetor, fuel-injection system, the ignition system, catalytic converter, fuel tanks, fuel lines, fuel caps, valves, canisters,
filters, vapor hoses, clamps, connectors, and other associated emission-related components.
Where a warrantable condition exists, MTD Consumer Group Inc will repair your outdoor equipment engine at no cost to you including diagnosis, parts and labor.
MANUFACTURER’S WARRANTY COVERAGE:
This emission control system is warranted for two years. If any emission-related part on your outdoor equipment engine is defective, the part will be repaired or
replaced by MTD CONSUMER GROUP INC.
OWNER’S WARRANTY RESPONSIBILITIES:
As the outdoor equipment engine owner, you are responsible for performance of the required maintenance listed in your owner’s manual. MTD Consumer Group
Inc recommends that you retain all receipts covering maintenance on your outdoor equipment engine, but MTD Consumer Group Inc cannot deny warranty solely
for the lack of receipts.
As the outdoor equipment engine owner, you should however be aware that MTD Consumer Group Inc may deny you warranty coverage if your outdoor equipment
engine or a part has failed due to abuse, neglect, or improper maintenance or unapproved modifications.
You are responsible for presenting your outdoor equipment engine to MTD Consumer Group Incs distribution center or service center as soon as the problem
exists. The warranty repairs should be completed in a reasonable amount of time, not to exceed 30 days. If you have a question regarding your warranty coverage,
you should contact the MTD Consumer Group Inc Service Department.
In the U.S.A.: 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: MTD Products Limited, Kitchener, ON N2G 4J1, or call 1-800-668-1238 or log on to our Web site at www.mtdcanada.com.
GENERAL EMISSIONS WARRANTY COVERAGE:
MTD Consumer Group Inc warrants to the ultimate purchaser and each subsequent purchaser that the outdoor equipment engine is: Designed, built and equipped
so as to conform with all applicable regulations; and free from defects in materials and workmanship that cause the failure of a warranted part to be identical in all
material respects to that part as described in MTD Consumer Group Inc’s application for certification.
The warranty period begins on the date the outdoor equipment engine is delivered to an ultimate purchaser or first placed into service. The warranty period is two
years.
Subject to certain conditions and exclusions as stated below, the warranty on emission-related parts is as follows:
Any warranted part that is not scheduled for replacement as required maintenance in the written instructions supplied, is warranted for the warranty period 1.
stated above. If the part fails during the period of warranty coverage, the part will be repaired or replaced by MTD Consumer Group Inc according to subsection
(4) below. Any such part repaired or replaced under warranty will be warranted for the remainder of the period.
Any warranted part that is scheduled only for regular inspection in the written instructions supplied is warranted for the warranty period stated above. Any such 2.
part repaired or replaced under warranty will be warranted for the remaining warranty period.
Any warranted part that is scheduled for replacement as required maintenance in the written instructions supplied is warranted for the period of time before the 3.
first scheduled replacement date for that part. If the part fails before the first scheduled replacement, the part will be repaired or replaced by MTD Consumer
Group Inc according to subsection (4) below. Any such part repaired or replaced under warranty will be warranted for the remainder of the period prior to the
first scheduled replacement point for the part.
Repair or replacement of any warranted part under the warranty provisions herein must be performed at a warranty station at no charge to the owner.4.
Notwithstanding the provisions herein, warranty services or repairs will be provided at all of our distribution centers that are franchised to service the subject 5.
engines or equipment.
The outdoor equipment engine owner will not be charged for diagnostic labor that is directly associated with diagnosis of a defective, emission-related war-6.
ranted part, provided that such diagnostic work is performed at a warranty station.
MTD Consumer Group Inc is liable for damages to other engine or equipment components proximately caused by a failure under warranty of any warranted 7.
part.
Throughout the off-road engine and equipment warranty period stated above, MTD Consumer Group Inc will maintain a supply of warranted parts sufficient to 8.
meet the expected demand for such parts.
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