Problem

 

Cause

 

Remedy

 

 

 

 

 

Engine overheats

1.

Engine oil level low.

1.

Fill crankcase with proper amount and

 

 

 

 

weight of oil.

 

2.

Air flow restricted.

2.

Clean grass clippings and debris from around

 

 

 

 

the engine’s cooling fins and blower housing.

 

 

 

 

 

Engine hesitates at high

1.

Spark plug(s) gap too close.

1.

Remove spark plug(s) and reset the gap.

RPM

 

 

 

 

 

 

 

 

 

Engine Idles rough

1.

Spark plug(s) fouled, faulty or gap too wide.

1.

Replace spark plug(s). Set plug gap.

 

2.

Dirty air cleaner.

2.

Replace air cleaner element and/or clean

 

 

 

 

pre-cleaner.

 

 

 

 

 

Excessive vibration

1.

Cutting blade loose or unbalanced.

1.

Tighten blade and spindle.

 

2.

Damaged or bent cutting blade.

2.

Replace blade.

 

 

 

 

 

Uneven cut

1.

Deck not leveled properly.

1.

Perform side-to-side deck adjustment.

 

2.

Dull blade.

2.

Sharpen or replace blade.

 

3.

Uneven tire pressure.

3.

Check tire pressure in all four tires.

 

 

 

 

 

Mower will not mulch grass

1.

Engine speed too low.

1.

Place throttle in FAST (rabbit) position.

(If Equipped w/Mulching Kit)

2.

Wet grass.

2.

Do not mulch when grass is wet.

 

3.

Excessively high grass.

3.

Mow once at a high cutting height, then

 

 

 

 

mow again at desired height or make a

 

 

 

 

narrower cutting swath.

 

4.

Dull blade.

4.

Sharpen or replace blade.

 

 

 

 

 

34Section 8 — Troubleshooting