MTD 400 Series warranty Trouble Shooting, Problem Cause Remedy

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6

Trouble

Shooting

For repairs beyond the minor adjust- ments listed here, contact an autho- rized service dealer.

Problem

 

Cause

 

Remedy

 

 

 

 

 

Engine fails to start

1.

Blade control handle disengaged.

1.

Engage blade control handle.

 

2.

Spark plug wire disconnected.

2.

Connect wire to spark plug.

 

3.

Fuel tank empty or stale fuel.

3.

Fill tank with clean, fresh gasoline.

 

4.

Engine not primed.

4.

Refer to engine manual.

 

5.

Faulty spark plug.

5.

Clean, adjust gap, or replace.

 

6.

Blocked fuel line.

6.

Clean fuel line.

 

7.

Engine flooding.

7.

Wait a few minutes to restart, but do not

 

 

 

 

prime.

 

 

 

 

 

Engine runs erratic

1.

Spark plug wire loose.

1.

Connect and tighten spark

 

 

 

 

plug wire.

 

2.

Blocked fuel line or stale fuel.

2.

Clean fuel line; fill tank with clean, fresh

 

 

 

 

gasoline.

 

3.

Gas cap vent plugged.

3.

Clear vent.

 

4.

Water or dirt in fuel system.

4.

Drain fuel tank and carburetor. Refill with

 

 

 

 

fresh fuel.

 

5.

Dirty air cleaner.

5.

Refer to engine manual.

 

6.

Carburetor out of adjustment.

6.

Refer to engine manual.

 

 

 

 

 

Engine overheats

1.

Engine oil level low.

1.

Fill crankcase with proper oil.

 

2.

Dirty air filter.

2.

Refer to the engine manual packed with

 

 

 

 

your unit.

 

3.

Air flow restricted.

3.

Remove blower housing and clean.

 

4.

Carburetor not adjusted properly.

4.

Refer to engine manual.

 

 

 

 

 

Occasional skip

1.

Spark plug gap too close.

1.

Adjust gap to .030”. Refer to engine

(hesitates) at high speed

 

 

 

manual.

 

2.

Carburetor idle mixture adjustment

2.

Refer to engine manual.

 

 

improperly set.

 

 

 

 

 

 

 

Idles poorly

1.

Spark plug fouled, faulty or gap too

1.

Reset gap to .030” or replace spark plug.

 

 

wide.

 

Refer to engine manual.

 

2.

Carburetor improperly adjusted.

2.

Refer to engine manual.

 

3.

Dirty air cleaner.

3.

Refer to engine manual.

 

 

 

 

 

Excessive vibration

1.

Cutting Blade loose or unbalanced.

1.

Tighten blade and adapter. Balance blade

 

2.

Bent cutting blade.

2.

Replace blade.

 

 

 

 

 

Mower will not mulch

1.

Wet grass.

1.

Do not mow when grass is wet;

grass

 

 

 

wait until later to cut.

 

2.

Excessive high grass.

2.

Mow once at a high cutting height, then

 

 

 

 

mow again at desired height or make a

 

 

 

 

narrower cutting path.

 

3.

Dull blade.

3.

Sharpen or replace blade.

 

 

 

 

 

Uneven cut

1.

Wheels not positioned correctly.

1.

Place all four wheels in same height

 

 

 

 

position.

 

2.

Dull blade.

2.

Sharpen or replace blade.

 

 

 

 

 

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Contents OPERATOR’S Manual Rotary Mower Model SeriesTable of Contents Finding and Recording Model NumberCustomer Support Slope Gauge Your Responsibility General OperationSlope Operation Service General ServiceChildren Setup Adjustments Adjustments Operating Your Lawn Mower Know Your Lawn MowerUsing Your Lawn Mower Assembly firmly securedTo Stop Engine To rotate for a few seconds afterMaintenance Rear Flap Replacement Blade Mounting TorqueTrouble Shooting Problem Cause RemedyYear Limited Warranty WarrantyOHV Wheel TreadsParts List Pièces Détachées For parts and/or accessories refer to customer support onAdressez-vous au «Service après-vente» La page 2 pour ce qui concerne les pièces et/ou accessoiresGarantie 06.08.12Solution Cause Problème DépannageEntretien Lame la de remplacement et Entretien Général d’ordre RecommandationsCoupe de Plateau MoteurUtilisation Commandes Option en déchiquetage de Bouchon’essence plein le jamais faites Ne Réglages et Montage deInstructions La de instructions Général Entretien EnfantResponsabilité Votre Pente une sur UtilisationGénéral en Utilisation Inclinomètre ArbreVente-après Service Vente après service au d’abord adresser vous sansModèle de numéro le trouver Pour Matières des Table’UTILISATION Notice 400 Séries Rotative Tondeuse po