Troubleshooting - MTD 11A-413F800 Operator's Manual

PROBLEM
Engine failsto start
Enginerunserratic
Engineoverheats
Idlespoorly
Excessive v ibration
Mower w ill not
mulchgrass
Uneven cut
Wheels will not
propel
TROUBLE SHOOTING
CORRECTIVE ACTION
POSSIBLE CAUSE(S)
1.
2.
3.
4.
5.
6.
1.
2.
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.
3. Vent in gas plugged.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
6. Carburetor out of adjustment.
1. Engine oil level low.
2. Air flow restricted.
,
1.
,
3.
1.
2.
1.
,
,
1.
2.
1.
,
Carburetor not adjusted properly.
Spark plug fouled, faulty or gap too
wide.
Carburetor improperly adjusted.
1. Engage blade control handle.
2. Connect spark plug wire.
3. Fill tank with clean, fresh gasoline.
4, Clean the 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 the fuel line; fill the tank with clean, fresh
gasoline.
3. Clear vent.
4. Drain the fuel tank and carburetor. 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.
,
Dirty air cleaner. 3.
Cutting blade loose or unbalanced. 1.
Bent cutting blade. 2.
Wet grass. 1.
Excessively high grass. 2.
Dull blade. 3.
Wheels not positioned correctly. 1.
Dull blade. 2.
Belt not installed properly. 1.
Debris clogging drive operation. 2.
Adjust carburetor.
Clean air cleaner.
Tighten blade and adapter. Balance blade.
Replace blade.
Do not mow when grass is wet; wait until later to
cut.
Mow once at a high cutting height, then mow
again at desired height or make a narrower cut-
ting path.
Sharpen or replace blade.
Place all four wheels in same height position.
Sharpen or replace blade.
Check belt for proper pulley installation and
movement.
Clean out debris.
NOTE: For repairs beyond the minor adjustments listed above, contract your nearest authorized service dealer.
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