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SECTION 9: TROUBLESHOOTING
NOTE: For repairs beyond the minor adjustments listed above, contact your nearest authorized service dealer.
Problem Cause Remedy
Engine fails to start 1. Blade control handle disengaged.
2. Start control button not depressed.
3. Spark plug wire disconnected.
4. Safety key not in run position
5. Fuel tank empty or stale fuel.
6. Blocked fuel line.
7. Faulty spark plug.
8. Engine flooded
9. Self starter already de-energized
1. Engage blade control handle.
2. Depress starter control button.
3. Connect wire to spark plug.
4. Place safety key in run position.
5. Fill tank with clean, fresh gasoline.
6. Clean fuel line.
7. Clean, adjust gap, or replace.
8. Wait a few minutes to restart, but do not
prime.
9. Use recoil starter to start engine.
Engine runs erratic 1. Spark plug wire loose.
2. 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. 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.
Engine overheats 1. Engine oil level low.
2. Air flow restricted.
3. Carburetor not adjusted properly.
1. Fill crankcase with proper oil.
2. Remove blower housing and clean.
3. Adjust carburetor.
Occasionally skips (hesitates)
at high speed
1. Spark plug gap too close. 1. Adjust gap to.030”.
Idles poorly 1. Spark plug fouled, faulty or gap too
wide.
2. Carburetor improperly adjusted.
3. Dirty air cleaner.
1. Reset gap to.030” or replace spark plug.
2. Adjust carburetor.
3. Clean air cleaner.
Excessive vibration 1. Cutting blade loose or unbalanced.
2. Bent cutting blade.
1. Tighten blade and adapter. Balance blade.
2. Replace blade.
Mower will not mulch grass 1. Wet grass.
2. Excessively 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.
Uneven cut 1. Wheels not positioned correctly.
2. Dull blade.
1. Place all four wheels in same height
position.
2. Sharpen or replace blade.