MTD 500 Series Operator's Manual

OPERATOR'S MANUAL

22" Rotary Mowers

Model Series

500 Thru 519

IMPORTANT: Read safety rules and instructions carefully before operating equipment.

Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forestcovered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with a spark arrester meeting applicable local or state _aws (if any). If a spark arrester is used, it should be maintained in effect{re 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 368022 Cleveland, Ohio 44136-9722.

MTD PRODUCTS

PRINTED IN U,S,A.

INC.

P.O. BOX 368022 CLEVELAND, OHIO 44136-9722

FORM NO. 770-10334

(10/99)

TABLEOFCONTENTS

Content

Maintaining Safety .............................................................................................

Slope Gauge ......................................................................................................

Assembling Your Lawn Mower ...........................................................................

Know Your Lawn Mower ....................................................................................

Operating Your Lawn Mower .............................................................................

Making Adjustments ..........................................................................................

Maintaining Your Lawn Mower ...........................................................................

Troubleshooting .................................................................................................

Parts List ..............................................................................................

13

-............. 14

10

10

11

Page

3

6

7

9

FINDINGMODELNUMBER

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.

Before you start assembling your new equipment, please locate the model plate on the

equipment and copy the information from it in the space provided below. The information on the model plate is very important if you need help from our Customer Support Department or an authorized dealer.

You can locate the model number by looking down at the rear of the deck. A sample model plate is explained below. For future reference, please copy the model number and the serial number of the equipment in the space below.

!

(Model Number)

M__'f

(Serial Number)

MTD PRODUCTS INC

CLEVELAND, OHIO 44136

Copy the model number here:

Copy the serial number here:

If you have difficulty assembling this product or have any questions regarding the controls, operation or maintenance of this unit, please call the Customer Support Department.

Call 1- (330) 220-4MTD (4683) or 1- (800)-800-7310 to reach a Customer Support representative.

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.

2

This Warning symbol points out important safety instructions which if not followec, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate your lawn mower. Failure to comply with these instructions may result in personal injury. When you see this symbol, heed its warning.

DANG Ell:

Your lawn mower was built to be coerated according to the rules for safe operation in this manual. As with any type of power equipment, carelessness or error on the Dart of the operator can result in serious injury. This lawn mower is capable of amputating hands and feet and throwing objects.

Failure to observe the following safety instructions could result in serious injury or death.

WARNING:

The Engine Exhaust from this product contains chemicals known to the State of

California to cause cancer, birth defects or other reproductive harm.

GENERALOPERATION

• 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.

• Your rotary mower 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.

• Never allow children under 14 years old to operate a power mower. Children 14 years old and over should only operate mower under close parental supervision.

Only responsible individuals who are familiar with these rules of safe operation should be allowed to use your mower.

• Keep the area of operation clear of all persons, particularly small children and pets.

Stop engine when they are in the vicinity of your mower to help prevent blade contact or thrown object injury,

Although the area of operation should be completely cleared of foreign objects, an object may have been overlooked and could be accidentally thrown by the mower in any direction and cause serious personal injury to the operator or any others allowed in the area.

• 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.

Do not wear loose fitting clothes or jewelry.

They can be caught in moving parts. Never operate a unit in bare feet, sandals, slippery or light weight (e.g. canvas) shoes.

• Always wear safety glasses or safety goggles during operation or while performing an adjustment or repair, to protect eyes from foreign objects that may be thrown from the machine in any direction.

• Thoroughly inspect the area where the equipment is to be used. Remove eli stones, sticks, wire, bones, toys and other foreign objeds which could be picked up and thrown by the mower in any direCtion and cause serious personal injury to the operator or any others allowed in the area. Plan your mowing pattern to avoid discharge of material toward roads, sidewalks, bystanders and the like. To help avoid a thrown objects injury, keep children, bystanders and heIpers at least 75 feet from the mower while it is in operation.

Do not put hands or feet near or under rotating parts.

Keep clear of discharge opening at all times as the

rotating blade can cause injury,

Many injuries occur as a result of the mower being pulled over the foot during a fall. Do net hang on to the mower ff you are falling; release the handle immediately.

• Never pull the mower toward you while you are

walking. If you must back the mower away from a

. wall or obstruction first look down and behind, and then follow these steps:

• Step back from the mower to fully extend your arms.

• Be sure you ere well balanced with sure footing.

o Pull the mower back slowly, no more than half

way toward you.

Repeat these steps as needed.

Do not operate the mower while under the influence of alcohol or drugs.

Do not engage the self-propelled mechanism on units so equipped while starting engine.

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.

3

• Never operate the mower in wet grass. Always be sure of your footing. A slip and fall can cause serious personal injury. Keep a firm hold on the handle and walk, never run, If you feel you are losing your footing, RELEASE THE BLADE CONTROL HANDLE

IMMEDIATELY and the blade will stop rotating within three seconds.

• Mow only in daylight or good artificial light.

• Stop the blade when crossing gravel drives, walks or roads.

• If the equipment should start to vibrate abnormally, stop the engine and check immediately for the cause.

Vibration is generally a warning of trouble.

• 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.

• Never operate mower without proper guards, grass catcher, plates or other safety protective devices in place.

.

Muffler and engine become hot and can cause a burn. Do not touch.

• Only use accessories approved for this machine by the manufacturer.

Read, understand, and follow all instructions provided with the approved accessory.

• If situations occur which are not covered in this manual, use care and good judgment.

Contact your dealer for assistance.

Telephone 1-800-800-7310 for the name of your nearest dealer.

SLOPEOPERATION

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 as shown on the slope gauge, do not operate this unit on that area or serious injury could result.

DO:

• Mow across the face of slopes; never up and down.

Exercise extreme caution when changing direction on slopes.

• Watch for holes, ruts, hidden objects, or bumps. Tall grass can hide obstacles.

• 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 in less than 3 seconds.

DO NOT:

• Do not mow near drop_offs, ditches or embankments.

The operator could lose footing or balance.

• Do not mew slopes greater than 15 degrees as shown on the slope gauge.

• Do not mow on wet grass. Reduced 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. Never assume that children will remain where you last saw them.

• Keep children out of the mowing area and under the watchful care of a responsible adult other than the operator.

° Be alert and turn mower off if e child enters the area.

• Before and while moving backwards, look behind and down for small children or other objects.

Never allow children under age 14 to operate the mower.

Children 14 years of age and above should read and understand the operation instructions and safety rules in this manual.

• Use extreme care when approaching blind corners, shrubs, trees, or other objects that may obscure your vision of a child or hazard.

SERVICE

Use extreme care in handling gasoline and other fuels. They are extremely flammable and the vapors are explosive.

Use only an approved gasoline container.

Never remove gas cap or add fuel while the engine is running, Allow engine to cool at least two minutes before refueling.

Replace gasoline cap securely and wipe off any spilled gasoline before starting the engine as it may cause a fire or explosion. o Extinguish all cigarettes, cigars, pipes and other sources of ignition.

Never refuel machine indoors because flammable vapors will accumulate in the area.

Never store the machine or fuel container inside where there is an open flame or spark such as a gas water heater, space heater, or furnace.

Never run an engine inside a closed area.

To reduce fire hazard, keep mower free of grass, leaves, or other debris build-up. Clean up oil or fuel spillage.

Allow mower to cool at least 5 minutes before storing.

Before cleaning, repairing, or inspecting, make certain the blade and all moving parts have stopped,

Disconnect the spark plug wire, and keep the wire away from the spark plug to prevent accidental starting.

Check the blade and engine mounting bolts at frequent intervals for proper tightness.

Also, visually inspect blade for damage (e.g., bent, cracked or worn).

Replace with blade which meets original equipment specifications listed in this manual.

4

° Keepelinuts.bolts,andscrewstighttobesurethe

equipment is in safe working condition.

• Never tamper with safety devices. Check their proeer

operation regularly.

• After striking a foreign object, stop the engme, remove the wire from the spark plug, and thoroughly inspect the mower for any damage.

Repair the damage before starting and operating {he mower

Never attempt to make a wheel or cutting height adjustment while the engine is running.

WARNING - YOUR RESPONSIBILITY:

NOTE: Not all safety labels shown may apply to your lawn mower.

• Grass catcher comoonents are subject to wear.

damage and deterioration, which could expose moving parts or allow objects to be thrown. For safety protection, frequently check components and replace with manufacturer's recommended parts, when necessary,

• Mower blades are sharp and can cut.

Wrap the blade(s) or wear gloves, and use extra caution when servicing them.

• Do not change the engine governor setting or overspeed the engine. Excessive engine speeds are dangerous.

DANGER

o t-

0 o

£ i <

I

SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE

A POWER POLE

A CORNER OF A BUILDING

OR A FENCE POST

0

E o

_,1 o

15°

WARNING

031D_

_ 0

.m ..c

,i= o

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.

0

IMPORTANT:This unit is shipped without gasoline or oil in the engine. Be certain to service engine with gasoline and oil as instructed in the separate engine manual before operating your mower,

NOTE: Reference to right or left hand side of the mower is observed from the operating position.

the lower handle is seated securely into the handle bracket assemblies. To secure the upper and lower handle, tighten the wing nuts near the toe of lower handle (carriage bolts must be seated properly into the handle).

Tighten the wing nuts at the end of the lower handle to secure the handle to handle bracket assemblies.

See Figure 2.

NOTE: Your mower is shipped with the handle in the higher position.

If you wish to lower the height of the handle, refer to the Adjustment Section.

• Remove staples, break glue on top flaps, or cul tape at carton end and peel along top flap to open carton.

Remove loose parts if included with unit (i,e..

operator's manual, etc.}

• Cut along corners, lay carton down flat, and remove packing material.

Roll or slide unit out of carton and check carton thoroughly for loose parts,

Nuts

1

This lawn mower is shipped with following loose parts in the hardware pack for attaching the wheels:

RearWheels

• Two lock nuts 3/8-16

• Two spring washers

Front Wheels

• Two shoulder screws 3/8-16

• Two cupped washers .401 ID x .870 OD

Before setting up your lawn mower, disconnect the spark plug wire from the spark plug and ground to a bolt on the engine, See Figure 1.

Bolt

Handle

Bracket

Assemblies

/

Figure 2

Fasten the cable to the lower handle with the cable tie found on the lower handle. Pull the cable tie tight and trim off the excess. See Figure 3.

Cable Tie.

Handle

Spark/

Plug Wire Spark Plug '

Figure 1

etting UpYourLawn Mower

Lift up and pull back on the upper handle to raise the handle into the operating position, Make certain

Figure 3

Move rope guide to the first hole above the lower handle on right side. The wing nut loosens and secures the rope guide to handle. See Figure 4.

Starter

Rope

\

Nut

Rope

Guide

\ Lower

Handle

Figure 4

7

holdthebladecontrolhandleagainstthe upperhandle,andpullthestarterropeoutofthe engine.Releasethebladecontrolhandle.Slipthe

starterrope

into the rope guide. Tighten the wing nut.

Installing FrontWheels

• Securely place the front of mower on raised blocks.

• Insert shoulder screw through front wheel. Place cupped washer on the shoulder screw (crowned side against the wheel). Insert shoulder screw into the pivot arm. See Figure 5.

• Assemble the other side in the same manner.

RemovingChuteRetainer

The chute deflector on your mower is held in an upright position by a retainer for shipping purposes only.

Remove the retainer, following steps below, before running the mower for the first time,

• Push the chute deflector up and towards the engine. Holding the deflector in this position, remove the retainer. See Figure 7.

* Lower the chute deflector carefully to its operating position keeping your fingers out if the way.

Shoulder

Screw_

_'_Cupped

Washer

Figure 5

Installing Rear Wheels

• Securely place the rear of mower on raised blocks,

• Place spring washer (cupped side toward handle bracket assembly) on the axle that extends from the pivot arm assembly. See Figure 6.

• Slide whee! onto axle and secure with lock nut.

• Assemble the other side in the same manner,

Spring

Washer

Deflector

Retainer

Figure 7

WARNING: The chute retainer must be removed and discarded before operating the mower.

InstallingMulching Baffle

If your mower is equipped with the optional mulching baffle, install it following these instructions:

• Lift up side discharge chute and insert the mulching baffle so that the notches at the bottom of the baffle sit firmly on the lip of the deck opening. See Figure

8.

• Snap the hooks of the baffle over the hinge pin on the discharge chute. Make sure that the hooks snaps into place, locking the mulching baffle firmly onto the mower.

• Release the side discharge chute.

/ Discharge

Chu_

Lock/

Nut

Figure 6

NOTE: This manual represents two different model series.

Model 500 series comes with the side discharge assembly on the unit and a snap on mulching baffle.

The 510 series_ comes with the mulching baffle on the unit and a snap on side discharge chute.

8

Saffle_

Hook Insert Notches

On Top Of Lip

Figure 8

Pin

Mulching

Baffle

Installing Side DischargeChute

If your mower is equippeo with the optional side discharge chute, install it following these instructions:

Slide the hooks of the side discharge chute over the

hinge pin on the mulching baffle, Make sure that the hooks snaps into place, locking the chute firmly

onto the mower. See Figure 9.

Release the mulching baffle.

Side Discharge"

Chute Hooks

Figure 9

SECTION4: KNOWYOURLAWNMOWER

Read this operator's manual and safety rules before operating your lawn mower. Compare the illustration in

Figure 10 with your lawn mower to familiarize yourself with the location of various controls and adjustments.

Save this manual for future reference.

A WARNING: The operation of any lawn

mower can result in foreign objects being thrown into the operator's eyes and causing severe eye damage.

Always wear safety glasses while operating the mower, or while performing any adjustments or repairs on it.

Recoil Starter

The recoil starter is attached to the right lower handle

Stand behind the unit and pull the recoil starter to start the unit. See Figure 10.

Blade Control Handle

The blade control handle is located on the upper handle of the mower, The blade control handle must be depressed in order to operate the unit. Release blade control handle to stop engine and blade.

Starter

Mulching

Plug

Discharge/

Chute

/

Blade Control

Handle

Mulching_

___

Plug i Discharge

/ Chute

Figure 10

Height

Adjustment

,_ WARNING: This blade control mechanism its operations.

Cutting Height AdjustmentLever

These levers are located on each wheel and they are used to adjust the cutting height, All four levers have to be at the same relative position to ensure an uniform cut.

Engine Controls

See the separate engine manual for the location and function of the controls on the engine.

Release blade control handle to stop the engine and the blade.

• Disconnect spark plug wire and ground it to a bolt on the engine.

,_ WARNING: Before using your lawn mower, manual.

Always be careful.

9

SECTION5: OPERATINGYOURLAWN MOWER

WARNING: Keep hands and feet away from chute area on the cutting deck.

The operation of any lawn mower can result in foreign objects being thrown into the eyes, which can result in severe eye damage.

Always wear safety glasses or eye shields.

GasandOil Fill-Up

Service the engine with gasoline and oil as instructed in the separate engine manual packed with your mower.

Read instructions carefully.

WARNING: Never fill fuel tank indoors with engine running or until the engine has been allowed to coot for at least two minutes after running.

StartingEngine

• Attach spark plug wire to spark plug. Make certain the metal cap on the end of the spark plug is fastened securely over the metal tip on the spark plug.

• Prime engine as instructed in the separate engine manual packed with your unit.

• Your lawn mower may be equipped with a constant speed throttle, which is set at full throttle for best performance.

• Stand behind the mower and squeeze the blade control handle against the upper handle.

• Grasp recoil starter handle and pull rope out slowly until engine reaches the start of compression cycle

(rope will pull slightly harder at this point). Let the rope rewind slowly. Pull rope with a rapid, continuous, full arm stroke. Keeping a firm grip on the starter handle, let the rope return to the starter slowly.

UsingYourLawnMower

Be sure that 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.

For best results, do not cut wet grass because it tends to stick to the underside of the mower; preventing proper discharge of grass clippings, and could cause you to slip and fall. New grass, thick grass, or wet grass may require a narrower cut.

For a healthier lawn, never cut off more than one-third of the total length of the grass. Your lawn should be cut

in the falI as long as there is growth. This mower is designed to be operated at full throttle to give you the best cut and do the most effective job of mowing or mulching.

WARNING: If you strike a foreign object, spark plug, thoroughly 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.

Mulching

For effective mulching, do not cut wet grass because it tends to stick to the underside of the deck, preventing proper mulching of grass clippings. New or thick grass may require a narrower cut. The ground speed should be adjusted to the condition of the lawn. tf mowing has been delayed and the grass has been allowed to grow

in excess of 4", mulching is not recommended.

Mow using the side discharge to reduce the grass height to 3

1/4" maximum before mulching.

SECTION6: MAKINGADJUSTMENTS

CuttingHeightAdjustment

WARNING: Do not at any time make any and disconnecting spark plug wire.

Each wheel has a height adjustment lever which provides cutting height adjustment. When the adjustment lever is moved from one location to another the height of cut will be changed. Simply depress the lever towards wheel and move lever assembly to desired position. See Figure 11.

IMPORTANT:All wheels must be placed in the same relative position. For rough or uneven lawns, move the height adjustment lever to a higher position. This will help stop scalping of the grass.

10

Height Adjustment..._

Lever

* Position each handle bracket assembly stud into one of the other holes in the lower handle.

• Each end of the lower handle must be placed in same relative position.

Lower

Figure 11

HandleHeightAdjustment

Your mower is shipped with the handle in the higher

height position. To lower the he ght proceed as follows:

• Remove the starter rope from the rope guide.

• Disconnect the handle from the handle bracket assemblies by removing the wing nuts.

See Figure 12.

Handle

Bracket

Assemblies

Figure 12

CustomerResponsibilities

MAINTENANCE

SCHEDULE _e*" _o_ q_ _ _

R_o<k o_' O_O_ 4_° DATES

8

Clean deck

Blade care uJ

Z

Z

LU

Change oil

Replace air filter

Clean engine

Cheek spark plug

Check spark arrester (if any)

<_

GeneralRecommendations

• Always observe safety rules when performing any maintenance,

• The warranty on this lawn mower does not cover items that have been subjected to operator abuse

11 or negligence, To receive full value from the warranty, operator must maintain the lawn mower as instructed in this manual.

Changing of engine governed speed will void engine warranty,

Some adjustments will have to be made periodically to maintain your unit properly. All adjustments in the Making Adjustments section of this manual should be checked at least once each season.

Periodically check all fasteners and make sure these are tight.

Follow the maintenance schedule under Customer

Responsibilities to get quality performance from your lawn mower.

Lubrication

,_ Always stop engine and disconnect spark doing any kind of service work on the lawn mower.

Lubricate

\

Engine

Refer to the separate engine manual for all engine maintenance instructions.

• Maintain engine oil as instructed in the separate engine manual packed with your unit.

• Service air cleaner every 25 hours under normal conditions. Poor engine performance and flooding usually indicate that the air cleaner should be serviced. To service the air cleaner, refer to the separate engine manual packed with your unit.

• The spark plug should be cleaned and the gap reset once a season. Spark plug replacement is recommended at the start of each mowing season.

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, discharge, or bagging.

The deck may be cleaned by tilting the mower and scraping clean with a suitable tool (make certain the spark plug wire is disconnected).

IMPORTANT: We do not recommend the use of a pressure washer or garden hose to clean your unit.

Cutting Blade Removal,Replacement,and Sharpening

• When removing the cutting blade for sharpening or replacement, protect your hands with a pair of heavy gloves or use a heavy rag to hold the blade.

• Remove the bolt and the blade bell support which hold the blade and the blade adapter to the engine crankshaft. See Figure 14.

• Remove the blade and the adapter from the crankshaft.

Figure 13

Blade Control Handle: 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 13.

Wheels: Lubricate the wheels at least once a season

with light oil (or motor oil). If the wheels are removed for

any reason, lubricate the surface of the axle bolt and

inner surface of the wheel with light oil.

Chute Deflector or Mulching Baffle: Lubricate the

torsion spring and pivot point periodically with light oil to prevent any rust or binding.

Engine: Follow the separate engine manual packed with you unit for lubrication instructions.

Maintenance

NOTE: When tipping the unit, empty the fuel tank and keep the spark plug side of engine up. Never tip the mower more than 90 degrees and do not leave the mower tipped for any length of time. Oil can drain into the upper part of the engine causing a starting problem.

Blade

Ada

Blade Bell

_Support

_]k

411

Figure 14

WARNING: Periodically inspect the blade

adapter for cracks, especially if you strike a foreign object. Replace when necessary.

.........

12

When sharpening the blade, follow the original angle of grind as a guide. It is extremely important that each cutting edge receives an equal amount of grinding to prevent an unbalanced blade. An unbalanced blade wilt cause excessive vibration when rotating at high speeds. It may cause damage to the mower, and could break causing personal injury.

The blade can be tested by balancing it on a round shaft screwdriver, Remove metal from the heavy side until it balances evenly. It is recommended that the blade always be removed from the adapter when testing for balance. Before reinstalling the blade and the blade adapter to the unit, lubricate the engine crankshaft and the inner surface of the blade adapter with light oil.

° Be sure to install the blade with the end tips facing up or side of the blade marked "Bottom" (or with part number) facing the ground when the mower is in the operating position,

• Slide the blade adapter onto the engine crankshaft,

• Place the blade on the adapter. Be certain the blade is aligned and seated on the blade adapter flanges.

• Place blade bell support on blade. Make sure the notches on the blade bell support are aligned with small holes in the blade,

• Replace hex bolt and tighten hex bolt to torque: 450 in, Ibs, min., 600 in. Ibs. max.

NOTE: To ensure safe operation of your mower, the blade bolt must be checked periodically for correct torque,

SECTION8: TROUBLESHOOTING

Problem Cause Remedy

Engine fails to start

Engine runs erratic

1.

2.

3,

4.

5,

6,

1.

2,

3,

4.

5.

I 6.

Blade control handle disengaged.

Spark plug wire disconnected.

Fuel tank empty or stale fuel.

Blocked fuel line.

Faulty spark plug.

Engine flooded

Spark plug wire loose.

Blocked fuel line or stale fuel.

Vent in gas plugged.

Water or dirt in fuel system.

Ditty air cleaner.

Carburetor out of adjustment.

Engine oil level low.

Air flow restricted.

Carburetor not adjusted properly,

1.

Engage blade control handle.

I 2.

Connect wire to spark plug.

3, Fill tank with clean, fresh gasoline.

4.

Clean fuel line,

5, Clean, adjust gap, or replace.

6, Wait a few minutes to restart, but do not prime,

1.

Connect and tighten spark plug wire.

2.

Clean fuel line; fill tank with clean, fresh gasoline

3.

Clear vent.

4, Drain fuel tank. Refill with fresh fuel.

5.

Clean air cleaner.

6.

Adjust carburetor.

1.

Fill crankcase with proper oil.

2, Remove blower housing and clean.

3.

Adjust carburetor.

1.

Reset gap to .030" or replace spark plug_

2.

Adjust carburetor.

3, Clean air cleaner.

Engine overheats

Idles poorly

!.

2,

3.

1.

Spark plug fouled, faulty or gap too wide.

Carburetor improperly adjusted.

Dirty air cleaner.

Cutting blade loose or unbalanced.

Excessive vibration

Mower will not mulch grass

Uneven cut

2,

1.

3.

1.

Bent cutting blade.

Wet grass.

Dull blade.

Wheels not positioned correctly.

2.

Du!l blade.

1.

Tighten blade and adapter. Balance blade,

2, Replace 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.

1.

Place all four wheels in same height position.

2, Sharpen or replace blade.

NOTE: For repairs beyond the minor adjustments listed above, contact your nearest authorized service dealer.

13

Models500 thru519

45

31

\

6

12

!8

14

Models500 thru519

Ref.

No.

PaN No,

1,

2.

3_

747-1161

749-1092

746-0957

746-1091

4.

5.

6.

7.

8.

710-1205

720-0279

720-0241

736-0451

710-1174

9.

10.

1!.

12.

725-0157

749-1093

710-0599

782-9065

13.

731-2280

14.

_ 682-3062

15.

. 682-3063

16.

736-3050

17.

712-3005

18.

710-0654A

19.

I 682-0094

20.

_736-0270

21.

741-1102

22.

23.

682-0143

748-0376C

24.

_ 742-0642

Blade Control Handle

Upper Handle

Control Cable - B&S

Control Cable - Tec

Eye Bolt

Wing Nut

Wing Nut

Shoulder Washer .320 IDx .93 OD

Carriage Bolt 5/16-18 x 2.0

Cable Tie

Lower Handle

Hex Washer Screw 1/4-20 x .50

Hinge Clip

Trail Shield

Handle Bracket Assembly - RH

Handle Bracket Assembly - LH

Fiat Washer .406 ID x .812 OD

Lock Nut 3/8 -16

Hex Washer Screw 3/8-16 x 1.0

Deck Assembly 22"

Bell Washer .265 x .75

Height Adjuster Bearing

Pivot Arm Assembly

Blade Adapter

Blade 22"

Ref,

NO,

Part No.

25.

26.

27.

28.

29.

30.

31.

32.

33.

34.

35.

36.

37.

38.

39.

49.

41.

42.

43.

44.

45.

46.

742-0742

710-1044

736-0524A

738-1126

736-0105

734-1988

738-0102

720-0190

732-0969

747-0710

732-0593

732-0981

731-1035A

731-1034A

631-0098

710-0216

741-0717

682-0093

732-0984

738-1127

736-0182

734-1864

731-2230

731-1386A

Part Description

, Mulching Blade 22"

Hex Cap Screw 3/8-24 x 1.5

Blade Bell Support

Shoulder Screw 3/8 - 16 x .302

I Bell Washer .401 ID x .870 OD

Wheel Comp 7 x 1.8

Shoulder Screw 3/8 - 16

Height Adjuster Knob

Front Spring Lever

Hinge Pin

Torsion Spring - Side Discharge

Torsion Spring - Mulching Baffle

Chute Hinge

Side Discharge Chute Assembly

Mulching Baffle(if Equipped)

Hex Cap Screw 3/8-16 x .75

Thrust Bearing .688 ID x 1.938 OD

Rear Pivot Arm Assembly

Rear Spring Lever

Shoulder Screw 3/8 - 16x .442

Spring Washer

Wheel Comp 14 x 1.8

Snap Discharge Chute (If Equipped)

Snap Mulching Plug (if Equipped)

15

MANUFACTURER'S LIMITED WARRANTY FOR:

YARD

The limited warranty set forth below is given by MTD PROD-

UCTS INC ("MTD") with respect to new merchandise purchased and used in the United States, its possessions and territories.

MTD warrants this product against defects in material and workmanship for a period of two (2) years commencing on the date of original purchase and will, at its option, repair or replace, free of charge, any part found to be defective in material or workmanship.

This limited warranty shall only apply if this product has been operated and maintained in accordance with the Operator's Manual furnished with the product, and has not been subject to misuse, abuse, commercial use, neglect, accident, improper maintenance, alteration, vandalism, theft, fire, water or damage because of

other peril or natural disaster.

Damage resulting from the installation or use of any accessory or attachment not approved by MTD Products inc. for use with the product(s) covered by this manual will void your warranty as to any resulting damages.

Normal wear parts or components thereof are subject to separate terms as follows: All normal wear part or component failures will be covered on the product for e period of 90 days regardless of cause. After 90 days, but within the two year period, normal wear part failures will be covered ONLY IF caused by defects in material or workmanship of OTHER component parts.

Normal wear parts and components include, but are not limited to, belts, blades, blade adapters, grass bags, rider deck wheels, seats, snow thrower skid shoes, shave plates and tires. Batteries are covered by a 90day limited replacement warranty.

HOW TO OBTAIN SERVICE: Warranty service is available,

WITH PROOF OF PURCHASE THROUGH YOUR LOCAL

AUTHORIZED SERVICE DEALER.

To locate the dealer in your area, please check for a listing in the Yellow Pages or contact the Customer Service Department of MTD PROD-

UCTS INC by calling 1-800-800-7310 or writing to P.O. Box

368022, Cleveland, Ohio 44136-9722.

This limited warranty does not provide coverage in the following cases: a. The engine or component parts thereof.

These items carry a separate manufacturer's warranty. Please refer to the applicable manufacturer's warranty on these items.

b. Log splitter pumps, valves and cylinders have a separate one year warranty.

c. Routine maintenance items such as lubricants, filters, blade sharpening and tune-ups, or adjustments such as brake adjustments, clutch adjustments or deck adjustments; and normal deterioration of the exterior finish due to use or exposure.

d. MTD does not extend any warranty for products sold or exported outside of the United States of America, its possessions and territories, except those sold through

MTD's authorized channels of export distribution.

No implied warranty, including any implied warranty of merchantability or fitness for a particular purpose, applies after the applicable period of express written warranty above as to the parts as identified.

No other express warranty or guaranty, whether written or oral, except as mentioned above, given by any person or entity, including a dealer or retailer, with respect to any product shall bind MTD. During the period of the Warranty, the exclusive remedy is repair or replacement of

the product as set forth above. (Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you.)

The provisions as set forth in this Warranty provide the sole and exclusive remedy arising from the sales. MTD

shall not be liable for incidental or consequential loss or damages including, without limitation, expenses incurred for substitute or replacement lawn care services, for transportation or for related expenses, or for rental expenses to temporarily replace a warranted product. (Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above exclusion or limitation may net apply to you.)

In no event shall recovery of any kind be greater than the amount of the purchase price of the product sold. Alteration of the safety features of the product shall void this Warranty.

You assume the risk and liability for loss, damage, or injury to you and your property and/or to others and their property arising out of the use or misuse or inability to use the product.

This limited warranty shall not extend to anyone other than the original purchaser, original lessee or the person for whom it was purchased as a gift.

How State Law Relates to this Warranty: This limited war-

ranty gives you specific legal rights, and you may also have other rights which vary from state to state.