MTD Pro 400 series User manual

Safety • Set-Up • Adjustments • Operation • Maintenance • Troubleshooting • Warranty • Parts Lists
OPERATOR’S MANUAL
PRINTED IN U.S.A. MTD Products Ltd., P. O. Box 1386, KITCHENER, ONTARIO N2G 4J1
IMPORTANT:
READ SAFETY RULES AND INSTRUCTIONS
CAREFULLY BEFORE OPERATING EQUIPMENT.
11/7/07
769-02967A
21” Self-Propelled Rotary Mower — Model Series 400
Model 460 shown.

2
Finding and Recording Model Number
Table of Contents
BEFORE YOU START ASSEMBLING
YOUR NEW EQUIPMENT,
please locate the model plate on the equipment and copy the
model number and the serial number 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 machine.
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.
Please do NOT return the unit to the retailer from which it was purchased,
without first contacting Customer Support.
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:
1. Visit www.mtdcanada.ca for many useful suggestions, click on Customer Support button.
2. Call a Customer Support Representative at 1-800-668-1238.
3. The engine manufacturer is responsible for all engine-related issues in terms of performance, power-rating, specifications,
warranty, and service. Depending on the engine manufacturer, more information is included in this publication or packed
separately with this product.
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.
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Slope Gauge........................................................ 3
Safe Operation Practices................................... 4
Set-Up & Adjustments........................................ 6
Operation............................................................. 8
Maintenance...................................................... 10
Off-Season Storage.......................................... 11
Trouble Shooting .............................................. 12
Warranty ............................................................ 13
Illustrated Parts Lists....................................... 14

3
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). A riding mower
could overturn and
cause serious injury.
If operating a walk-
behind mower on such
a slope, it is extremely
difficult to maintain your
footing and you could
slip, resulting in serious
injury.
Operate RIDING
mowers up and down
slopes, never across
the face of slopes.
Operate
WALK-BEHIND
mowers across the
face of slopes, never
up and down slopes.
Sight and hold this level with a vertical tree...
or a corner of a building...
or a fence post
Fold along dotted line (represents a 15° slope)
15°
Use this page as a guide to determine slopes where you may not operate safely. Do not operate
your lawn mower on such slopes.

4
2
Safe
Operation
Practices
General Operation
1. Read this operator’s manual carefully in its entirety 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 the operator zone behind the handles and keep
children, bystanders, helpers and pets at least 75 feet
from the mower while it is in operation. Stop machine if
anyone enters the area.
6. Always wear safety glasses or safety goggles during
operation 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. Shirts 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 the
cutting deck. Contact with the 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 the 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 in good artificial light. Walk, never
run. Stop the blade when crossing gravel drives, walks or
roads.
17. If the equipment should start to vibrate abnormally, stop the
engine and check immediately for the cause. Vibration is
generally a warning of trouble.
18. Shut the engine off and wait until the blade comes to
a complete stop before removing the grass catcher or
unclogging 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.
19. 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.
20. Muffler and engine become hot and can cause a burn. Do
not touch.
21. Only use parts and accessories made for this machine by
the manufacturer. Failure to do so can result in personal
injury.
22. If situations occur which are not covered in this manual, use
care and good judgment. Call customer assistance for the
name of your nearest servicing dealer.
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.
WARNING: Engine Exhaust, some of its constituents, and certain vehicle components contain
or emit chemicals known to the State of California to cause cancer and birth defects or other
reproductive harm.
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 at-
tempting 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.

5
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.
Children
Tragic accidents can occur if the operator is not alert to the
presence of children. Children are often attracted to the mower
and the 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 the watch-
ful 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 the operation instructions and safety rules in
this manual and should be trained and supervised by a
parent.
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.
2. Wash your skin and change clothes immediately.
3. Use only an approved gasoline container.
4. 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.
5. 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.
6. 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.
7. Extinguish all cigarettes, cigars, pipes and other sources of
ignition.
8. Never fuel machine indoors because flammable vapors
will accumulate in the area.
9. Never remove gas cap or add fuel while the engine is
hot or running. Allow engine to cool at least two minutes
before refueling.
10. Never over fill fuel tank. Fill tank to no more than ½ inch
below bottom of filler neck to provide for fuel expansion.
11. Replace gasoline cap and tighten securely.
12. If gasoline is spilled, wipe it off the engine and equipment.
Move unit to another area. Wait 5 minutes before starting
the engine.
13. 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.
14. 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.
15. 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
equipment 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 parts or allow objects to be thrown. For
safety protection, frequently check components and re-
place immediately with original equipment manufacturer’s
(O.E.M.) parts 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 governor setting or overspeed
the engine. The governor controls the maximum safe
operating speed of the engine.
11. Maintain or replace safety labels, as necessary.
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 at-
tempting 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.

6
31. Remove loose parts and any packing material which
may be between upper and lower handles.
a. Pull up and back on the upper handle to raise the
handle into the operating position. See Figure 3-1.
b. Tighten star knobs securing upper handle to
lower handle. Make sure that each carriage bolt is
seated properly in the handle.
2. Place one carriage bolt (found in the hardware pack
included with your unit) in the upper hole of the right
handle mounting bracket from the inside outward. See
Figure 3-2. Secure with one wing nut. Repeat process
on the left side.
3. Rope guide Setup as follows, see Figure 3-3:
a. Hold the blade control against the upper handle.
Position A.
b. Slowly pull starter rope out of engine. Position B.
c. Slip starter rope into the rope guide. Position C.
d. Tighten rope guide wing nut (star knobs).Position D.
4. Insert post on cable ties into holes provided on the
lower handle. Pull cable tie tight and trim excess. See
Figure 3-4.
5. Each wheel has a height adjustment lever to change
the cutting height of the mower. To change the height
of cut, squeeze adjuster lever toward the wheel,
moving up or down to selected height. See Figure 3-5.
Figure 3-3
Figure 3-2
Figure 3-1
Figure 3-4
Disconnect and
ground the spark
plug wire as instruct-
ed in the separate
engine manual.
IMPORTANT
This unit is shipped
WITHOUT GASOLINE
or OIL. After assem-
bly, service engine
with gasoline and
oil as instructed in
the separate engine
manual packed with
your unit.
Setup and
Adjustments
WARNING
NOTE: This owner’s manual covers various models of lawnmowers. The units illustrated may vary slightly
from your unit. Follow only those instructions which pertain to your model lawnmower.
A
B
A
C
D
B

7
Figure 3-5
NOTE: Make certain
bag is turned right side
out before assembling
(warning label will be on
the outside).
NOTE: Make certain
cables are routed to the
outside of the handle so
they are not in the way
when attaching the grass
catcher.
3
Figure 3-6
Figure 3-7
Never operate mower
unless the hooks on
the grass catcher are
firmly seated on the
pivot rod, and the
rear discharge door
rests firmly against
top of the grass
catcher.
All mowers are
equipped with a rear
protective guard. The
guard helps eliminate
projectiles thrown
by the blade from
injuring the operator.
DO NOT REMOVE
THIS GUARD.
6. To assemble the grasscatcher:
a. Place bag over frame (black plastic side is the
bottom of bag.) Insert the hooks on the frame
through the holes in the side plastic channels of
the bag. See Figure 3-6.
b. Secure bag to frame by working the plastic chan-
nels on bag over frame as shown in Figure 3-6. All
of the plastic channels except center top of bag
attach from the outside of bag. Center top of bag
attaches from the inside of bag.
7. Attaching Grass Catcher to Mower
a. Lift the rear discharge door on the mower, and
place the grass catcher on the pivot rod. Let go
of discharge door so that it rests on the grass
catcher. See Figure 3-7.
WARNING: Never operate mower
unless the hooks on the grass
catcher are firmly seated on the
pivot rod, and the rear discharge
door rests firmly against top of
the grass catcher.
8. To remove grass catcher and utilize the mulching
feature:
a. Lift rear discharge door on the mower as shown in
Figure 3-7. Lift grass catcher up and out, off of the
pivot rod. Release rear discharge door to allow it to
close rear opening of mower.
9. The side discharge is an optional feature.
If converting to side discharge, make sure grass
catcher is off unit and rear discharge door is closed.
a. On the side of the mower deck, lift the hinged
mulching plug. See Figure 3-8.
b. Slide the two hooks on the side discharge deflec-
tor under the hinge pin on the hinged mulching
plug assembly. Lower the hinged mulching plug.
NOTE: Do not remove the hinged mulching plug at any
time, even when you are not mulching.
WARNING
!
"
#
#
"
!
Setup and
Adjustments
!
"
Figure 3-8 - Optional Feature
B
A

8
4
Operating
Your Lawn
Mower
NOTE: The units illustrated may vary slightly from your
unit.
Blade Control Handle
The blade control handle is located on the upper handle
of the mower. See Figure 4-1. The blade control handle
must be depressed in order to operate the unit. Release
the blade control handle to stop the engine and blade.
Drive Control Handle
The drive control handle is located on the upper handle.
Squeeze the drive control handle against the upper
handle to engage drive system. Release the control
handle to disengage the drive system in order to stop,
slow down, or backup.
Mulching Plug (optional)
The mulching plug is used to close the side discharge
chute opening when mulching or bagging grass. Do
not remove the hinged mulching plug at any time, even
when you are not mulching.
Recoil Starter
The recoil starter is attached to the right upper handle.
Stand behind the unit and pull the recoil starter rope to
start the unit.
Know Your Lawn Mower
Cutting Height Adjustment Levers
One adjustment lever is located on each wheel and is
used to adjust the cutting height. All four levers have to be
at the same relative position to ensure uniform cut.
Before Starting
1. Service the engine with gasoline and oil as instructed
in the separate engine manual.
2. Attach spark plug wire to spark plug. If unit is
equipped with a rubber boot over the end of the spark
plug wire, make certain the metal loop on the end of
the spark plug wire (inside the rubber boot) is fastened
securely over the metal tip on the spark plug.
3. Before each use, check for proper drive clutch opera-
tion by performing the following before starting the
engine:
a. With the drive control released, push mower
forward. It should move freely. Pull mower back-
ward. It should move with only a small amount of
resistance.
WARNING
Figure 4-1
Blade Control Handle
Recoil Starter
Height Adjustment
Levers
Mulching Plug
(optional)
Drive Control Handle
Side Discharge
(optional)
Choke Button (optional)
Read, understand,
and follow all instruc-
tions and warnings
on the machine and
in this manual before
operating.
This blade control
mechanism is a
safety device. Never
attempt to bypass its
operations.
Use extreme care
when handling
gasoline. Gasoline is
extremely flammable
and the vapors are
explosive. Never fuel
the machine indoors
or while the engine
is hot or running.
Extinguish cigarettes,
cigars, pipes and
other sources of
ignition.

9
4
Operating
Your Lawn
Mower
WARNING
The operation of any
lawn mower can result
in foreign objects
being thrown into
the eyes, which can
damage your eyes
severely. Always wear
safety glasses while
operating the mower,
or while performing
any adjustments or
repairs on it.
Be sure no one other
than the operator is
standing near the lawn
mower while starting
engine or operating
mower. Never run
engine indoors or
in enclosed, poorly
ventilated areas. En-
gine exhaust contains
carbon monoxide, an
odorless and deadly
gas. Keep hands, feet,
hair and loose clothing
away from any moving
parts on engine and
lawn mower.
Figure 4-2
2
3
b. If it does not the clutch may not be releasing
completely. Do not start the engine until correc-
tions have been made. Check the control cable
for severe bend, kinks and binding. Also check for
grass build-up around the belt.
To Start Engine
1. Prime or choke engine as instructed in the separate
engine manual packed with your unit.
2. Standing behind the unit, depress the blade control
handle and hold it against the upper handle as shown
in Figure 4-2.
3. Grasp the starter handle as shown and pull slowly
until resistance is felt, then pull rapidly to start engine
and avoid kickback. Return it slowly to the rope guide.
To Stop Engine
1. Release the blade control handle to stop the engine
and blade.
WARNING: The blade continues
to rotate for a few seconds after
the engine is shut off.
2. Disconnect and ground the spark plug wire as
instructed in the separate engine manual to prevent
accidental starting while equipment is unattended.
Using Your Lawn Mower
Be sure the lawn is clear of stones, sticks, wire, or other
objects which could damage the lawn mower or the
engine. Such objects could be accidently thrown by the
mower in any direction and cause serious personal injury
to the operator and others.
WARNING: If you strike a foreign
object, stop the engine. Remove
wire from the spark plug, thor-
oughly inspect the mower for any
damage, and repair the damage
before restarting and operating
the mower. Extensive vibration
of the mower during operation is
an indication of damage. The unit
should be promptly inspected
and repaired.
Operating Tips
1. To engage the drive, squeeze the drive control handle
towards the upper handle. Release the drive control
to slow down when negotiating an obstacle, making a
turn, or stopping.
2. For best results do not cut wet grass.
3. New grass, thick grass, or wet grass may require a
narrower cut.
4. For a healthier lawn, never cut off more than one-third
of the total length of the grass.
5. Your lawn should be cut in the fall as long as there
is growth.
6. If the grass has been allowed to grow in excess of 4
inches, mulching is not recommended. Mow using
the side discharge to reduce the grass height to 3-1/4
inches or less before mulching.
General Recommendations
1. Always observe safety rules when performing
any maintenance.
2. The warranty on this lawn mower does not cover
items that have been subjected to operator abuse
or negligence. To receive full value from warranty,
operator must maintain the lawn mower as
instructed here.
3. Changing of engine-governed speed will void
engine warranty.
4. All adjustments should be checked at least once each
season.
5. Periodically check all fasteners and make sure these
are tight.
NOTE: To operate your unit using the grass catcher,
mulcher or optional side discharge refer to page 7.

10
5
WARNING
Figure 5-1
Lubrication
1. Lubricate the pivot points on the blade control handle
at least once a season with light oil. The blade
control must operate freely in both directions. See
Figure 5-1.
2. If your mower is equipped with ball bearing wheels,
lubricate at least once a season with a light oil, all
other types require no lubrication. However, if the
wheels are removed for any reason, lubricate the
surface of the axle bolt and the inner surface of the
wheel with light automotive oil.
3. Lubricate the torsion spring and pivot points periodi-
cally with light oil to prevent rust. See Figure 5-1.
Engine
1. Refer to the engine operation and maintenance
sections in this manual for detailed instructions.
2. Maintain engine oil level.
3. Service air cleaner every 25 hours under normal
conditions. Clean every few hours under extremely
dusty conditions.
4. 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
grass, dirt and combustible debris from muffler area.
Deck
The underside of the mower deck should be cleaned
after each use to prevent a buildup of grass clippings,
leaves, dirt or other matter. If this debris is allowed to
accumulate, it will invite rust and corrosion, and may
prevent proper mulching.
The deck may be cleaned by tilting the mower and
scraping clean with a suitable tool (make certain the
spark plug wire is disconnected).
Rear Flap Replacement
The rear flap is attached to the back of the mower deck,
and is designed to minimize the possibility that objects
will be thrown from the rear of the mower toward the
operator. If the rear flap becomes damaged, replace as
follows.
1. To remove the old rear flap, lift rear door, and press
flap in on either side to remove from hole.
2. Remove flap from opposite hole and replace with new
flap following these steps in reverse order.
Blade Care
Periodically inspect the blade adapter for cracks,
especially if you strike a foreign object. Replace when
necessary. Follow the steps below for blade service:
1. Remove the bolt and the blade bell support which
hold the blade and the blade adapter to the engine
crankshaft. See Figure 5-2.
2. Remove blade from the crankshaft.
3. The blade may be resharpened by removing it and
either grinding or filing the cutting edge keeping as
close to the original bevel as possible. Do not attempt
to sharpen the blade while it is still on the mower.
4. It is extremely important that each cutting edge
receives an equal amount of grinding to prevent an
unbalanced blade.
NOTE: Improper blade balance will result in excessive
vibration causing eventual damage to the engine and
mower. Be sure to carefully balance blade after sharpen-
ing. Possible damage resulting from blade unbalance
condition is not the responsibility of the manufacturer.
NOTE: Always remove blade from the adapter for testing
balance.
5. The blade can be tested for balance by balancing it
on a round shaft screwdriver. Remove metal from the
heavy side until it balances evenly.
6 Before reassembling the blade to the unit, lubricate
the engine crankshaft and the surface of the blade
adapter with light oil.
7. Place the blade with the side marked “bottom” (or with
part number) facing away from the adapter. Align the
blade bell support over the blade with the tabs in the
holes of the blade and insert the hex bolt.
Lubricate these
points before
reassembly.
Always stop engine,
disconnect spark
plug, and ground
against engine before
cleaning, lubricating
or doing any kind of
maintenance on your
machine.
Cutting grass in
sandy soil condition
causes abrasive wear
to the blade.
If unit is tipped for
easier access to
blade or belt, tip
mower as specified
in separate engine
manual. If it does not
specify turn mower
on its side making
sure that the air filter
and the carburetor
are up.
Maintenance

11
5
WARNING
Figure 5-2
Figure 5-4
Figure 5-3
8. Tighten the hex bolt to the torque listed below:
Blade Mounting Torque
Center Bolt 450 in. lb. min., 600 in.lb. max.
To insure safe operation of your unit, ALL nuts and bolts
must be checked periodically for correct tightness.
Belt Care
1. Remove two shoulder screws securing front drive
cover to mower deck. See Figure 5-3. Press inward on
sides of front drive cover and release tabs that secure
it to the height adjuster brackets. Remove drive cover
from mower.
2. Loosen screw holding belt tension spring to transmis-
sion. See Figure 5-3 inset. Do not remove screw
completely. As you loosen it, tension on the belt will be
released.
3. Push transmission up a little and slide belt off the
transmission pulley. Lift mower to access belt from
underside of mower. Slide belt off of engine pulley and
around the blade. See Figure 5-4.
4. Replace with new belt, working around blade. Make
sure belt is firmly seated on engine pulley while pulling
from the other side and sliding it around the transmis-
sion pulley. Tighten screw loosened earlier to secure
belt tension spring to the transmission. Reassemble
front drive cover.
Off-Season Storage
The following steps should be taken to prepare your lawn
mower for storage.
1. Clean and lubricate mower thoroughly as described in
the lubrication instructions.
2. We do not recommend the use of a pressure washer
or garden hose to clean your unit.
3. Refer to engine manual for correct engine
storage instructions.
4. Coat mower’s cutting blade with chassis grease to
prevent rusting.
5. Store mower in a dry, clean area. Do not store next to
corrosive materials, such as fertilizer.
NOTE: When storing any type of power equipment in
a poorly ventilated or metal storage shed, care should
be taken to rust-proof the equipment. Using a light oil or
silicone, coat the equipment, especially cables and all
moving parts of your lawn mower before storage.
Maintenance
We do not recommend
the use of pressure
washers or garden
hose to clean your
unit. These may cause
damage to electrical
components, spindles,
pulleys, bearings, or
the engine. The use
of water will result in
shortened life and
reduce serviceability.
When removing the
cutting blade or belt,
protect your hands
with a pair of heavy
gloves or use a heavy
rag to hold the blade.
An unbalanced blade
will cause excessive
vibration when rotat-
ing at high speeds. It
may cause damage
to mower, and could
break causing per-
sonal injury.

12
For repairs beyond
the minor adjust-
ments listed here,
contact an authorized
service dealer.
6
Trouble
Shooting
CauseProblem Remedy
Engine fails to start 1. Blade control handle disengaged.
2. Spark plug wire disconnected.
3. Fuel tank empty or stale fuel.
4. Engine not primed.
5. Faulty spark plug.
6. Blocked fuel line.
7. Engine flooding.
1. Engage blade control handle.
2. Connect wire to spark plug.
3. Fill tank with clean, fresh gasoline.
4. Refer to engine manual.
5. Clean, adjust gap, or replace.
6. Clean fuel line.
7. Wait a few minutes to restart, but do not prime.
Engine runs erratic 1. Connect and tighten spark
plug wire.
2. Clean fuel line; fill tank with clean, fresh
gasoline.
3. Clear vent.
4. Drain fuel tank and carburetor. Refill with fresh
fuel.
5. Refer to engine manual.
6. Refer to engine manual.
1. Spark plug wire loose.
2. Blocked fuel line or stale fuel.
3. Gas cap vent plugged.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
6. Carburetor out of adjustment.
Engine overheats 1. Fill crankcase with proper oil.
2. Refer to the engine manual packed with your
unit.
3. Remove blower housing and clean.
4. Refer to engine manual.
1. Engine oil level low.
2. Dirty air filter.
3. Air flow restricted.
4. Carburetor not adjusted properly.
Occasional skip (hesitates)
at high speed
1. Adjust gap to .030”. Refer to engine manual.
2. Refer to engine manual.
1. Spark plug gap too close.
2. Carburetor idle mixture adjustment
improperly set.
Idles poorly 1. Reset gap to .030” or replace spark plug.
Refer to engine manual.
2. Refer to engine manual.
3. Refer to engine manual.
1. Spark plug fouled, faulty or gap too
wide.
2. Carburetor improperly adjusted.
3. Dirty air cleaner.
1. Cutting Blade loose or unbalanced.
2. Bent cutting blade.
1. Tighten blade and adapter. Balance blade
2. Replace blade.
Excessive vibration
1. Wheels not positioned correctly.
2. Dull blade.
Uneven cut 1. Place all four wheels in same height position.
2. Sharpen or replace blade.
1. Wet grass.
2. Excessive high grass.
3. Dull blade.
1. Do not mow when grass is wet;
wait until later to cut.
2. Mow once at a high cutting height, then mow
again at desired height or make a narrower
cutting path.
3. Sharpen or replace blade.
Mower will not mulch
grass
1. Belt not installed properly.
2. Debris clogging drive operation.
1. Check belt for proper pulley installation and
movement.
2. Clean out debris.
Wheels will not propel

13
7
Warranty
Failure to comply
with suggested
maintenance
and lubrication
specifications will
void warranty.
4 YEAR LIMITED WARRANTY
For FOUR YEARS from the date of retail purchase within Canada, MTD PRODUCTS LIMITED will, at its option, repair
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, improper mainte-
nance or alteration; or
2. The unit if it has not been operated and/or maintained in accordance with the owner’s instructions furnished with the
unit; or
3. The engine or motor or component parts thereof which carry separate warranties from their manufacturers. Please
refer to the applicable manufacturer’s warranty on these items; and read engine warranty statement below, 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 (if equipped): 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 (if equipped): 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 purchaser, for a cost of one-half (½) of the current retail price of the battery in effect at the date of return.
Full Ninety Days Warranty on Normal Wear Parts: Normal wear parts are defined as belts, blade adaptors, blades,
grass bags, seats, tires, rider deck wheels and clutch parts (friction wheels). These parts are warranted to the original
purchaser to be free from defects in material and workmanship for a period of ninety (90) days from the date of retail
purchase.
How to Obtain Service: Warranty service is available, with proof of purchase, through your local authorized service
dealer or distributor. If you do not know the dealer or distributor in your area, please call, toll free 1-800-668-1238. The
return of a complete 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 limited
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 products.
MTD PRODUCTS LIMITED will not be liable for incidental or consequential loss or damage.
4 YEAR LIMITED WARRANTY ENGINES
This limited warranty doubles the time periods of the engine manufacturer’s limited warranty which is enclosed in the
owner’s information package.
12.08.06

14
Wheel Treads
Bar Tread
Zag Tread
30
44
39 42
37
77
41
43
38
40
47
48
49
10
21
46
45 24
33
6
9
52
34
32
56
72
57
59
68
69
70
71
73
67
60 54
50
74
75
63
62
4
66
53
58
61
35
36
55
11
2
22
12
23
26
7
16
18
55
51
27
17
14
19
19
1
13
5
25
28
31
8
15
65
3
55
55
76
60
29
64
69
20
85
80
79
78
MTD OHV
81
84
83
82
NOTE: Lawnmower features vary by model. NOT all parts listed on these pages are standard equipment.
REMARQUE: Les caractéristiques des tondeuses varient selon le modèle. Les pièces énumérées dans ces pages ne font pas toutes partie de l’équipement de série.

15
8
Parts List
Pièces
détachées
For parts and/or
accessories refer to
customer support on
page 2.
Adressez-vous au
«Service après-vente»
à la page 2 pour ce qui
concerne les pièces
et/ou accessoires.
REF PART
NO. NO.
N° DE N° DE
RÉF PIÈCE DESCRIPTION DESCRIPTION
1 747-1214 Drive Control Handle Poignée de commande d’embrayage
de l’entraînement
2 749-0928B Lower Handle Guidon inférieure
3 710-0703 Carriage Bolt 1/4-10 x .75 Boulon ordinaire 1/4-20 x 0,75
4 618-04376A Transmission Ass’y Transmission
5 731-05865 Rear Discharge Door Porte d’éjection arrière
6 754-0637A V-Belt Courroie trapézoïdale
7 747-1161A Blade Control Handle Poignée de commande de la lame
8 749-1233D Upper Handle (Electric Start) Guidon supérieur (Démarreur électrique)
8 749-1092A Upper Handle Guidon supérieur
9 731-04177 Chute Deflector Déflecteur de la goulotte
10 687-02055 Complete Mulch Plug Plaque de déchiquetage complet
11 732-04090A Torsion Spring RH Ressort de torsion CD
12 747-04080A Grass Bag Frame Bâti inférieur - sac à herbe
13 720-0279 Knob - ERS Guide 1/4-20 Bouton - 1/4-20
14 720-04072 Star Knob Bouton étoile
15 710-1205 Rope Guide Bolt Boulon de guidage de cordon
16 746-1114 Blade Control Cable Câble de commande de la lame
17 710-1174 Carriage Bolt 5/16-18 x 2.0 Boulon ordinaire 5/16-18 x 2,0
18 731-04859 Bail Cover Couvercle
19 726-0240 Cable Tie Attache câble
20 712-04064 Flanged Lock Nut 1/4-20 Gr. F Nylon Écrou de blocage 1/4-20 Qual. F nylon
21 710-0654A Hex Wash HD Tap Scr 3/8-16 x .88 Vis autotaraudée 3/8-16 x 0,88
22 746-04203 Drive Cable Câble de l’entrainement
23 664-04007A Grassbag - Black Sac à herbe - noir
23 664-04034A Grassbag - grey Sac à herbe - gris
24 710-1650 Self-tapping Screw, 5/16-18 x .875 Vis autotaraudeuse de 5/16-18 x 0,875 po
25 747-04587 Pivot Rod Tige de pivote
26 710-1241 Screw 1/4-15 x 1.0 Vis 1/5-15 x 1,0
27 732-1043 Belt Tension Spring Ressort de tension de la courroie
28 731-05642 Rear Trailing Shield Abattant de protection arrière
29 731-04150C Rear Baffle Déflecteur arrière
30 731-0981A Hub Cap Grey Radial Moyeu de chapeau - gris
31 712-0397 Wing Nut Écrou à oreilles
32 731-05013A Transmission Cover - Black Couvercle de la transmission - noir
32 731-05250 Transmission Cover - Gray Couvercle de la transmission - gris
33 748-04015A Blade Adapter w/Pulley Adaptateur de la lame avec poulie
34 742-0741 21" Mulching Blade Lame déchiquetage 21 po
35 736-0524B Blade Bell Support Support de la lame
36 710-1257 Hex Bolt 3/8-24 x 2.5" Lg. Boulon hex. 3/8-24 x 2,50 po de lg.
37 725-04293 Electric Start Harness Faisceau
38 728-0199 Plastic Rivet Rivet en plastique
39 725-0201 Ignition Key Clavette
40 710-1667A C-sunk Tap Screw #10 x .75 Vis no. 10 x 0,75
41 731-05459 Battery Housing Logement de la batterie
42 725-04347 Key Switch Interrupteur
43 725-04323 Battery Batterie
44 725-04329 Battery Charger Chargeur de la batterie
45 710-0599 Hex Wash S-Tapp Scr 1/4-20 x .50 Vis autotaraudeuse à rondelle
hex. 1/4-20 x 0,50
46 736-0270 Cup. Wash. .265 ID x .75 OD x .062 Rondelle creuse 0,265 DI x 0,75
DE x 0,062
47 17032A Chute Hinge Charnière de déflecteur
48 732-1014 Torsion Spring Ressort de torsion
Continued on next page/Suite à la page prochaîne

16
REF PART
NO. NO.
N° DE N° DE
RÉF PIÈCE DESCRIPTION DESCRIPTION
49 747-0710 Hinge Pin Axe de charnière
50 687-02347 Front Bearing Ass’y Roulement - avant
51 787-01277 21" Deck Ass’y (w/o side discharge) Plateau de coupe de 21 po (sans éjection latérale)
787-01278 21" Deck Ass’y (w/ side discharge) Plateau de coupe de 21 po (avec éjection latérale)
52 687-02194A Height Adjustment Ass’y - RH Ensemble de réglage de hauteur - CD
52 687-02193A Height Adjustment Ass’y - LH Ensemble de réglage de hauteur - CG
53 750-04595 Sleeve Spacer 1.4" Lg. Manchon entretoise 1,4 po de lg.
54 710-0216 Hex Cap Screw 3/8-16 x .75 Vis à chapeau à six pans de 3/8-16 x 0,75
55 712-04065 Flange Lock-Nut 3/8-16 Gr. F Nylon Contre-écrou à embase 3/8-16 Qual. F nylon
56 782-5002B Front Baffle Deflecteur avant
57 736-0447 Wave Washer Rondelle ondulée
58 750-04594 Sleeve Spacer 8.985" Lg. Manchon entretoise 8,985 po de lg.
59 687-02334 Height Adjuster Pivot Plate Assembly Plaque de pivot - réglage de hauteur
60 720-0426 Height Adjuster Knob Bouton
61 734-2042 Wheel Assembly 8 x 2.125, Gear Zag Ensemble de roue 8 x 2,125, pignon
634-0190 Wheel Assembly 8 x 1.8 Spoke Bar Ensemble de roue 8 x 1.8
62 710-04531 Screw, 1/4-20 x 3.90 Vis, 1/4-20 x 3,90
63 717-1762 Spur Gear 14T RH Engrenage 14 dents droite
63 717-1761 Spur Gear 14T LH Engrenage 14 dents gauche
64 710-1652 Hex Wash Hd TT Scr. 1/4-20 x .625 Vis taraudée 1/4-20 x 0,625
65 687-02271 Handle Bracket Ass’y RH Support de guidon - CD
65 687-02270 Handle Bracket Ass’y LH Support de guidon - CG
66 715-0221 Pin Goupille
67 736-0474 Flat Washer 1.5 OD x .03 Rondelle plate 1,50 DE x 0,03
68 687-02071A Pivot Arm Ass’y - RH Ensemble de bras de pivot - CD
68 687-02070A Pivot Arm Ass’y - LH Ensemble de bras de pivot - CG
69 732-04089A Torsion Spring LH Ressort de torsion CG
70 738-0507B Shoulder Screw .50 Dia. Vis à épaulement 0,50 dia.
71 734-2004A Wheel Ass’y 8 x 2.125 Idle, Ball Brg. Ensemble de roue 8,0 x 2,125
roulement à billes
734-1987 Wheel Ass’y Comp. 8 x 1.8 Ensemble de roue complet 8 x 1,80
72 787-01298 Height Adjuster Plate - RH Plaque de réglage de hauteur - CD
72 787-01299 Height Adjuster Plate - LH Plaque de réglage de hauteur - CG
73 732-0706 Spring Lever Front RH Levier de ressort avant - CD
73 732-0707 Spring Lever Front LH Levier de ressort avant - CG
74 716-0102 Snap Ring for 1.0" shaft Jonc d’arrêt pour arbre 1.0 PO
75 782-7551A Wheel Dust Cap Chapeau de moyeu
76 736-0504 Wave Washer .51" ID Rondelle ondulée 0,51 DI
77 725-04310 Extension Harness (Kawasaki) Faisceau d’extension (Kawasaki)
78 731-05889 Shroud Capot
79 710-04577 Screw Vis
80 687-04239A Choke Cable Ass'y 38.0" Lg. Câble de la volet 38,0 po de lg
81 746-04302 Drive Cable Câble de l'entraînement
82 746-04299 ERS Cable Control 48.0 Câble de la commande 48,0 po de lg
83 731-06029 Engine Baffle Déflecteur du moteur
84 787-01593 Bracket Support
12AE465
11.6.07
8
Parts List
Pièces
détachées
For parts and/or
accessories refer to
customer support on
page 2.
Adressez-vous au
«Service après-vente»
à la page 2 pour
ce qui concerne
les pièces et/ou
accessoires.

15
NOTES:
For parts and/or
accessories refer to
customer support on
page 2.
Adressez-vous au
«Service après-vente»
à la page 2 pour
ce qui concerne
les pièces et/ou
accessoires.

15
NOTES:
For parts and/or
accessories refer to
customer support on
page 2.
Adressez-vous au
«Service après-vente»
à la page 2 pour
ce qui concerne
les pièces et/ou
accessoires.

14
NOTES:
For parts and/or
accessories refer to
customer support on
page 2.
Adressez-vous au
«Service après-vente»
à la page 2 pour
ce qui concerne
les pièces et/ou
accessoires.

13
7
Garantie
Le non-respect des
conseils d’entretien
et de lubrification
annule la garantie.
GARANTIE LIMITÉE DE QUATRE ANS
MTD PRODUCTS LIMITED s’engage à réparer ou à remplacer gratuitement, à son choix, à l’acheteur initial, toute
pièce ou partie de pièce qui s’avère défectueuse en raison d’un vice de matière ou de fabrication, dans un délai de
QUATRE ANS à partir de la date d’achat au détail au Canada.
Cette garantie ne couvre pas:
1. Les pièces rendues inutilisables par un emploi incorrect, une utilisation commerciale, un emploi abusif, une
négligence, un entretien incorrect ou une modification;
2. La machine si elle n’a pas été utilisée et/ou entretenue conformément aux instructions qui l’accompagnaient;
3. Le moteur, le moteur électrique ou l’un de ses composants car ils sont garantis par leurs fabricants respectifs.
Veuillez consulter la garantie qui s’applique à la pièce en particulier; et lisez le paragraphe ci-dessous au sujet de
la garantie des moteurs;
4. Les batteries et les pièces présentant une usure normale énumérées plus bas. Les pompes, soupapes et cylindres
des fendeuses à bois sont garantis pendant un an;
5. Les articles d’entretien courant tels que les lubrifiants, filtres, aiguisage de lames et révisions, ou les réglages des
freins, de l’embrayage ou du plateau de coupe;
6. La détérioration normale de la finition extérieur du fait de l’utilisation de la machine et de son exposition aux
intempéries.
Garantie complète de quatre-vingt-dix jours sur la batterie (le cas échéant): MTD PRODUCTS LIMITED
s’engage à remplacer gratuitement à l’acheteur initial, pour une période de quatre-vingt-dix (90) jours à compter de
la date d’achat au détail, toute batterie fournie avec cette machine qui s’avère défectueuse en raison d’un vice de
matière ou de fabrication et après que nos tests aient confirmé qu’elle ne peut maintenir une charge.
Garantie limitée supplémentaire de trente jours sur la batterie (le cas échéant): MTD PRODUCTS LIMITED
s’engage, à l’expiration de la période de quatre-vingt-dix (90) jours et avant la fin d’une période de cent vingt (120)
jours à compter de la date d’achat, à remplacer la batterie défectueuse à l’acheteur initial, pour la moitié (1/2) du prix
de détail en vigueur de la batterie à la date du retour de celle-ci.
Garantie complète de quatre-vingt-dix (90) jours des pièces à usure normale: Les courroies, adaptateurs de
lame, lames, sacs à herbe, sièges, pneus, roues du plateau de coupe des tondeuses à siège, et pièces d’embrayage
(roues de frottement) sont considérés comme des pièces à usure normale. Elles sont garanties exemptes de vices de
matière et de fabrication à l’acheteur initial pour une période de quatre-vingt-dix (90) jours à partir de la date d’achat
au détail.
Pour faire honorer la garantie: Présentez une preuve d’achat à l’atelier de réparations ou au distributeur agréé. Si
vous ne connaissez pas l’adresse de l’atelier de réparations ou du distributeur de votre région, appelez le 1-800-668-
1238. L’usine ne peut accepter le renvoi d’une machine complète si une autorisation n’a pas été accordée par écrit par
MTD PRODUCTS LIMITED.
Frais de transport: Les frais relatifs au transport de toute machine motorisée ou de tout accessoire sont à la charge
de l’acheteur. Les frais de transport d’une pièce quelconque envoyée à des fins de remplacement en vertu de cette
garantie doivent être prise en charge par l’acheteur, sauf si le renvoi de la machine est demandé par écrit par MTD
PRODUCTS LIMITED.
Autres garanties: Toutes les autres garanties, qu’elles soient expresses ou tacites, y compris les garanties tacites de
qualité marchande, se limitent à la durée stipulée dans cette garantie limitée expresse. Les conditions stipulées dans
cette garantie constituent le recours unique et exclusif quant aux obligations de MTD PRODUCTS LIMITED découlant
de la vente de ses produits.
MTD PRODUCTS LIMITED ne peut être tenue responsable pour toute perte ou tout dommage accidentel ou indirect.
GARANTIE LIMITÉE DE 4 ANS DES MOTEURS
Cette garantie limitée double la durée de la garantie limitée du fabricant du moteur qui accompagne la documentation
à l’intention du propriétaire.
12.08.06