MTD L2352 User Manual
Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty
OPERATOR’S MANUAL
22” Rotary Mower — Model Series 520
IMPORTANT
READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATION
Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush-
covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any).
If a spark arrester is used, it should be maintained in effective working order by the operator. In the State of California the above is required by law
(Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply on federal lands. A spark arrester
for the muffler is available through your nearest engine authorized service dealer or contact the service department, P.O. Box 361131 Cleveland,
Ohio 44136-0019.
PRINTED IN U.S.A.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
FORM NO. 770-10349H
11/17/2006
This Operator’s Manual is an important part of your new lawn mower. It will help you assemble,
prepare, and maintain the unit for best performance. Please read and understand what it says.
Table of Contents
Slope Gauge........................................................ 3
Safe Operation Practices ................................... 4
Setup and Adjustment ....................................... 6
Operating Your Lawn Mower .............................. 8
MTD LLC reserves the right to change product specifications, designs, and equipment without notice and without incurring obligation.
Finding and Recording Model Number
BEFORE ASSEMBLING YOUR NEW EQUIPMENT,
please locate the model plate on the equipment and
copy the information to the sample model plate provided to the right. 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, to obtain
assistance from the Customer Support Department,
or when contacting an authorized service dealer.
Maintaining Your Lawn Mower ......................... 10
Troubleshooting ................................................ 12
Off-Season Storage and Safety Labels .......... 13
Parts List ........................................................... 14
Model Number Serial Number
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, you can seek help from the experts. Choose from the options below:
• Visit www.mtdproducts.com
• Call a Customer Support Representative at 1-800-800-7310.
• 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.
2
3IGHTANDHOLDTHISLEVELWITHAVERTICALTREE
ORACORNEROFABUILDING
ORAFENCEPOST
&OLDALONGDOTTEDLINEREPRESENTSASLOPE
Use this page as a guide to determine slopes where you may not operate safely.
Do not operate your lawn mower on such slopes.
1
Slope
Gauge
WARNING
Do not mow on inclines
with a slope in excess
of 15 degrees (a rise
of approximately 2-1/2
feet every 10 feet).
Operate WALK-BEHIND
mowers across the
face of slopes, never
up and down slopes.
3
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.
2
Safe
Operation
Practices
WARNING
This symbol points
out important safety
instructions which, if
not followed, could
endanger the personal
safety and/or property
of yourself and others.
Read and follow all
instructions in this
manual before attempting to operate
this machine. Failure
to comply with these
instructions may result
in personal injury. When
you see this symbol.
HEED ITS WARNING!
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.
DANGER: This machine was built to be operated according to the rules for safe operation in this
manual. As with any type of power equipment, carelessness or error on the part of the operator
can result in serious injury. This machine is capable of amputating hands and feet and throwing
objects. Failure to observe the following safety instructions could result in serious injury or death.
Children
Tragic accidents can occur if operator is not alert to presence
of children. Children are often attracted to mower and mowing
activity. They do not understand the dangers. Never assume
that children will remain where you last saw them.
1. Keep children out of the mowing area and under watchful
care of a responsible adult other than the operator.
2. Be alert and turn mower off if a child enters the area.
3. Before and while moving backwards, look behind and down
for small children.
4. Use extreme care when approaching blind corners,
doorways, shrubs, trees, or other objects that may obscure
your vision of a child who may run into the mower.
5. Keep children away from hot or running engines. They can
suffer burns from a hot muffler.
6. Never allow children under 14 years old to operate a power
mower. Children 14 years old and over should read and
understand operation instructions and safety rules in this
manual and should be trained and supervised by a parent.
General Operation
1. Read this operator’s manual carefully in its entiret y before
attempting to assemble this machine. Read, understand,
and follow all instructions on the machine and in the
manual(s) before operation. Be completely familiar with
the controls and the proper use of this machine before
operating it. Keep this manual in a safe place for future
and regular reference and for ordering replacement parts.
2. This machine is a precision piece of power equipment,
not a plaything. Therefore, exercise extreme caution at all
times. Your unit has been designed to perform one job: to
mow grass. Do not use it for any other purpose.
3. Never allow children under 14 years old to operate this
machine. Children 14 years old and over should read and
understand the instructions in this manual and should
be trained and supervised by a parent. Only responsible
individuals who are familiar with these rules of safe
operation should be allowed to use this machine.
4. Thoroughly inspect the area where the equipment is to
be used. Remove all stones, sticks, wire, bones, toys
and other foreign objects, which could be tripped over or
picked up and thrown by the blade. Thrown objects can
cause serious personal injury. Plan your mowing pattern
to avoid discharge of material toward roads, sidewalks,
bystanders and the like. Also, avoid discharging material
against a wall or obstruction, which may cause discharged
material to ricochet back toward the operator.
5. To help avoid blade contact or a thrown object injury,
stay in operator zone behind handles and keep children,
bystanders, helpers and pets at least 75 feet from mower
while it is in operation. Stop machine if anyone enters
area.
6. Always wear safety glasses or safety goggles during opera
tion and while performing an adjustment or repair to protect
your eyes. Thrown objects which ricochet can cause serious
injury to the eyes.
7. Wear sturdy, rough-soled work shoes and close-fitting
slacks and shirts. Shir ts and pants that cover the arms and
legs and steel-toed shoes are recommended. Never operate
this machine in bare feet, sandals, slippery or light-weight
(e.g. canvas) shoes.
8. Do not put hands or feet near rotating parts or under cutting
deck. Contact with blade can amputate hands and feet.
9. A missing or damaged discharge cover can cause blade
contact or thrown object injuries.
10. Many injuries occur as a result of the mower being pulled
over the foot during a fall caused by slipping or tripping.
Do not hold on to the mower if you are falling; release the
handle immediately.
11. Never pull the mower back toward you while you are
walking. If you must back the mower away from a wall or
obstruction first look down and behind to avoid tripping and
then follow these steps:
a. Step back from mower to fully extend your arms.
b. Be sure you are well balanced with sure footing.
c. Pull the mower back slowly, no more than half way
toward you.
d. Repeat these steps as needed.
12. Do not operate the mower while under the influence of
alcohol or drugs.
13. Do not engage the self-propelled mechanism on units so
equipped while starting engine.
14. The blade control handle is a safety device. Never attempt
to bypass its operation. Doing so makes the safety device
inoperative and may result in personal injury through
contact with the rotating blade. The blade control handle
must operate easily in both directions and automatically
return to the disengaged position when released.
15. Never operate the mower in wet grass. Always be sure of
your footing. A slip and fall can cause serious personal
injury. If you feel you are losing your footing, release the
blade control handle immediately and the blade will stop
rotating within three seconds.
16. Mow only in daylight or good artificial light. Walk, never run.
17. Stop the blade when crossing gravel drives, walks or roads.
18. If the equipment should start to vibrate abnormally, stop the
engine and check immediately for the cause. Vibration is
generally a warning of trouble.
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4
19. Shut the engine off and wait until the blade comes to a
complete stop before removing the grass catcher or unclog-
ging the chute.
The cutting blade continues to rotate for a few seconds after
the engine is shut off. Never place any part of the body in
the blade area until you are sure the blade has stopped
rotating.
20. Never operate mower without proper trail shield, discharge
cover, grass catcher, blade control handle or other safety
protective devices in place and working. Never operate
mower with damaged safety devices. Failure to do so can
result in personal injury.
21. Muffler and engine become hot and can cause a burn. Do
not touch.
22. Only use parts and accessories made for this machine by
manufacturer. Failure to do so can result in personal injury.
23. If situations occur which are not covered in this manual,
use care and good judgment. Contact your dealer for
assistance.
Slope Operation
Slopes are a major factor related to slip and fall accidents, which
can result in severe injury. Operation on slopes requires extra
caution. If you feel uneasy on a slope, do not mow it. For your
safety, use the slope gauge included as part of this manual to
measure slopes before operating this unit on a sloped or hilly
area. If the slope is greater than 15 degrees, do not mow it.
Do:
1. Mow across the face of slopes; never up and down. Exercise
extreme caution when changing direction on slopes.
2. Watch for holes, ruts, rocks, hidden objects, or bumps
which can cause you to slip or trip. Tall grass can hide
obstacles.
3. Always be sure of your footing. A slip and fall can cause
serious personal injury. If you feel you are losing your
balance, release the blade control handle immediately, and
the blade will stop rotating within 3 seconds.
Do Not:
1. Do not mow near drop-offs, ditches or embankments, you
could lose your footing or balance.
2. Do not mow slopes greater than 15 degrees as shown on
the slope gauge.
3. Do not mow on wet grass. Unstable footing could cause
slipping.
Service
Safe Handling Of Gasoline:
1. 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.
2. Use only an approved gasoline container.
3. Never fill containers inside a vehicle or on a truck or trailer
bed with a plastic liner. Always place containers on the
ground away from your vehicle before filling.
4. Remove gas-powered equipment from the truck or trailer
and refuel it on the ground. If this is not possible, then refuel
such equipment on a trailer with a portable container, rather
than from a gasoline dispenser nozzle.
5. Keep the nozzle in contact with the rim of the fuel tank or
container opening at all times until fueling is complete. Do
not use a nozzle lock-open device.
6. Extinguish all cigarettes, cigars, pipes and other sources
of ignition.
7. Never fuel machine indoor because flammable vapors will
accumulate in the area.
8. Never remove gas cap or add fuel while engine is hot or
running. Allow engine to cool at least two minutes before
refueling.
9. Never over fill fuel tank. Fill tank to no more than ½ inch
below bottom of filler neck to provide for fuel expansion.
10. Replace gasoline cap and tighten securely.
11. If gasoline is spilled, wipe it off the engine and equipment.
Move unit to another area. Wait 5 minutes before starting
engine.
12. Never store the machine or fuel container near an open
flame, spark or pilot light as on a water heater, space
heater, furnace, clothes dryer or other gas appliances.
13. To reduce fire hazard, keep mower free of grass, leaves,
or other debris build-up. Clean up oil or fuel spillage and
remove any fuel soaked debris.
14. Allow a mower to cool at least 5 minutes before storing.
General Service:
1. Never run an engine indoors or in a poorly ventilated area.
Engine exhaust contains carbon monoxide, an odorless
and deadly gas.
2. Before cleaning, repairing, or inspecting, make certain the
blade and all moving parts have stopped. Disconnect the
spark plug wire and ground against the engine to prevent
unintended starting.
3. Check the blade and engine mounting bolts at frequent
intervals for proper tightness. Also, visually inspect blade
for damage (e.g., bent, cracked, worn) Replace blade with
the original equipment manufacture’s (O.E.M.) blade only,
listed in this manual. “Use of parts which do not meet the
original equipment specifications may lead to improper
performance and compromise safety!”
4. Mower blades are sharp and can cut. Wrap the blade or
wear gloves, and use extra caution when servicing them.
5. Keep all nuts, bolts, and screws tight to be sure the equip
ment is in safe working condition.
6. Never tamper with safety devices. Check their proper
operation regularly.
7. After striking a foreign object, stop the engine, discon
nect the spark plug wire and ground against the engine.
Thoroughly inspect the mower for any damage. Repair the
damage before starting and operating the mower.
8. Never attempt to make a wheel or cutting height adjust
ment while the engine is running.
9. Grass catcher components, discharge cover, and trail
shield are subject to wear and damage which could
expose moving par ts or allow objects to be thrown. For
safety protection, frequently check components and re-
place immediately with original equipment manufacturer’s
(O.E.M.) par ts only, listed in this manual. “Use of parts
which do not meet the original equipment specifications
may lead to improper performance and compromise
safety!”
10. Do not change the engine gover nor setting or over-rev the
engine. The governor controls the maximum safe operating
speed of the engine.
11. Maintain or replace safety labels, as necessar y.
12. Observe proper disposal laws and regulations. Improper
disposal of fluids and materials can harm the environment.
-
-
2
Safe
Operation
Practices
WARNING
This symbol points
out important safety
instructions, which if
not followed, could
endanger the personal
safety and/or property
of yourself and others.
Read and follow all
-
instructions in this manual before attempting to
operate this machine.
Failure to comply with
these instructions may
result in personal injury.
When you see this
symbol.
HEED IT’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.
5
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