Bolens 18M warranty Trouble Shooting, Problem Cause Remedy

Models: 18M

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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.

CHOKE not activated.

4.

Choke engine as instructed in

 

 

 

 

“Operating Your Lawn Mower”.

 

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

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 maintenance section.

 

6.

Unit running with CHOKE applied.

6.

Push CHOKE knob in.

 

 

 

 

 

Engine overheats

1.

Engine oil level low.

1.

Fill crankcase with proper oil.

 

2.

Air flow restricted.

2.

Remove blower housing and clean.

 

 

 

 

 

Occasional skip

1.

Spark plug gap too close.

1.

Adjust gap to .030”. Refer to engine

(hesitates) at high speed

 

 

 

manual.

 

 

 

 

 

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.

Dirty air cleaner.

2.

Refer to engine maintenance section.

 

 

 

 

 

Excessive vibration

1.

Cutting Blade loose or unbalanced.

1.

Tighten blade and adapter. Balance blade

 

2.

Bent cutting blade.

2.

See an authorized service dealer.

 

 

 

 

 

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.

Dull blade.

1.

Sharpen or replace blade.

 

 

 

 

 

12

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Bolens 18M warranty Trouble Shooting, Problem Cause Remedy