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problem
Engine fails to start
Engine runs erratic
Engine overheats
Occasional skips (hesitates)
Idles poorly
Excessive vibration
Mower will not mulch grass
Uneven cut
TROUBLESHOOTING
Cause
1.
Blade control disengaged.
2.
Spark plug boot disconnected.
3.
Fuel tank empty or stale fuel.
4.
Engine not primed.
5.
Faulty spark plug.
6.
Blocked fuel line.
7.
Engine flooded.
1.
Spark plug boot loose.
2.
Blocked fuel line or stale fuel.
3.
Vent in gas cap plugged.
4.
Water or dirt in fuel system.
5.
Dirty air cleaner.
1.
Engine oil level low.
2.
Air flow restricted.
1.
Spark plug gap too close.
1.
Spark plug fouled, faulty, or gap too wide.
2.
Dirty air cleaner.
1.
Cutting blade loose or unbalanced.
2.
Bent cutting blade.
1.
Wet grass.
2.
Excessively high grass.
3.
Dull blade.
1.
Wheels not positioned correctly.
2.
Dull blade.
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1.
Engage blade control.
2.
Connect wire to spark boot.
3.
Fill tank with clean, fresh gasoline.
4.
Prime engine as instructed in the Operation section.
5.
Clean, adjust gap, or replace.
6.
Clean fuel line.
7.
Wait a few minutes to restart, but do not prime.
1.
Connect and tighten spark plug boot.
2.
Clean fuel line; fill tank with clean, fresh gasoline.
3.
Clear vent.
4.
Run engine until it stops from lack of fuel. Refill with
fresh fuel.
5.
Refer to engine maintenance section.
1.
Fill crankcase with proper oil.
2.
Clean area around and on top of engine.
1.
Adjust gap to .030".
1.
Reset gap to .030" or replace spark plug.
2.
Refer to engine maintenance section.
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.
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