Yard-Man 106 manual Trouble Shooting Guide, Trouble Possible Causes Corrective Action

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SECTION 9: TROUBLE SHOOTING GUIDE

Trouble

 

Possible Cause(s)

 

Corrective Action

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.

Blocked fuel line.

4.

Clean fuel line.

 

5.

Faulty spark plug.

5.

Clean, adjust gap or replace.

 

6.

Engine flooded.

6.

Wait a few minutes to restart. Do not prime.

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 fresh gasoline.

 

3.

Vent in gas cap plugged.

3.

Clear vent.

 

4.

Water or dirt in fuel system.

4.

Drain fuel tank. Refill with fresh fuel.

 

5.

Dirty air cleaner.

5.

Clean air cleaner.

 

6.

Carburetor out of adjustment.

6.

Adjust carburetor.

Engine overheats

1.

Engine oil level low.

1.

Fill crankcase with proper oil.

 

2.

Air flow restricted.

2.

Remove blower housing and clean.

 

3.

Carburetor not adjusted properly.

3.

Adjust carburetor.

Occasional skip

1.

Spark plug gap too close.

1.

Adjust gap to .030”.

(hesitates) at high

 

 

 

 

speed

 

 

 

 

Idles poorly

1.

Spark plug fouled, faulty or gap too

1.

Reset gap to.030” or replace spark plug.

 

 

wide.

 

 

 

2.

Carburetor improperly adjusted.

2.

Adjust carburetor.

 

3.

Dirty air cleaner.

3.

Clean air cleaner.

Excessive vibration

1.

Cutting blade loose or unbalanced.

1.

Tighten blade and adapter. Balance blade.

 

2.

Bent cutting blade.

2.

Replace blade.

Mower will not mulch

1.

Wet grass.

1.

Wait until later to cut.

grass

2.

Excessively high grass.

2.

Mow once at a high cutting height, then mow

 

 

 

 

again at desired height or make a narrower

 

 

 

 

cutting swath (1/2 width).

 

3.

Dull blade.

3.

Sharpen or replace blade.

Uneven cut

1.

Wheels not positioned correctly.

1.

Place all four wheels in same height position.

 

2.

Dull blade.

2.

Sharpen or replace blade.

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Contents Operator’s Manual Table of Contents General Operation Important Safe Operation PracticesSlope Operation ServiceChildren Your Responsibility Slope Gauge Assembling Your Lawn Mower Converting to Side Discharge Know Your Lawn MowerOperating Your Lawn Mower Carburetor Handle HeightCutting Height Lubrication Maintaining Your Lawn MowerCutting Blade Engine Cutting DeckTrouble Possible Causes Corrective Action Trouble Shooting GuideParts List Model Ref. No Description ModelMANUFACTURER’S Limited Warranty for