Yard-Man 31AE993J401 manual Troubleshooting, Problem Cause Remedy

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SECTION 8: TROUBLESHOOTING

Problem

 

Cause

 

Remedy

 

 

 

 

 

Engine fails to start.

1.

Fuel tank empty, or stale fuel.

1.

Fill tank with fresh gasoline.

 

2.

Blocked fuel line.

2.

Clean the fuel line.

 

3.

Choke not in ON position

3.

Move switch to ON position

 

4.

Faulty spark plug.

4.

Clean, adjust gap or replace.

 

5.

Safety key not in ignition switch on engine.

5.

Insert the key fully into the switch.

 

6.

Spark plug wire disconnected.

6.

Connect spark plug wire.

 

7.

Primer button not being used properly.

7.

Refer to the engine manual.

Engine runs erratic.

1.

Unit running on CHOKE.

1.

Move choke lever to OFF position.

 

2.

Blocked fuel line or stale fuel.

2.

Clean fuel line and fill tank with clean, fresh

 

 

 

 

gasoline.

 

3.

Water or dirt in fuel system.

3.

Drain fuel tank and carburetor. Refill with

 

 

 

 

fresh fuel.

 

4.

Carburetor out of adjustment.

4.

Refer to the engine manual.

Loss of power.

1.

Spark plug wire loose.

1.

Connect and tighten spark plug wire.

 

2.

Gas cap vent hole plugged.

2.

Remove ice and snow from gas cap. Be

 

 

 

 

certain vent hole is clear.

 

3.

Exhaust port plugged.

3.

Refer to the engine manual.

Engine overheats.

1.

Carburetor not adjusted properly.

1.

Refer to the engine manual or have the

 

 

 

 

carburetor adjusted by an authorized

 

 

 

 

engine service dealer.

Excessive vibration.

1.

Loose parts or damaged auger.

1.

Stop engine immediately and disconnect

 

 

 

 

spark plug wire. Tighten all bolts and nuts. If

 

 

 

 

vibration continues, have unit serviced by

 

 

 

 

an authorized service dealer.

Unit fails

1.

Traction control cable in need of adjustment.

1.

Adjust traction control cable. Refer to

to propel itself.

 

 

 

Adjustments.

 

2.

Drive belt loose or damaged.

2.

Replace drive belt.

Unit fails

1.

Discharge chute clogged.

1.

Stop engine immediately and disconnect

to discharge snow.

 

 

 

spark plug wire. Clean discharge chute and

 

 

 

 

inside of auger housing.

 

2.

Foreign object lodged in auger.

2.

Stop engine immediately and disconnect

 

 

 

 

spark plug wire. Remove object from auger.

 

3.

Auger control cable in need of adjustment.

3.

Refer to Final Adjustments in Assembly

 

 

 

 

Section.

 

4.

Auger belt loose or damaged.

4.

Refer to Adjustments.

 

5.

Shear bolt(s) sheared.

5.

Replace shear bolt(s).

NOTE: For repairs beyond the minor adjustments listed above, contact the local dealer.

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Contents OPERATOR’S Manual Table of Contents Training Important Safe Operation PracticesPreparation OperationMaintenance And Storage Unpacking Assembling Your Snow ThrowerLoose Parts Assembling HandleAuger Control Final AdjustmentsTraction Control and Shift Lever Auger Control Knowing Your Snow ThrowerShift Lever Skid ShoesChute Crank Safety Ignition KeyChute Tilt Control Discharge ChuteBefore Starting Gas And Oil Fill-up Operating Your Snow ThrowerTo Start Engine Electric StarterTo Engage Wheel Drive To Stop EngineTo Engage Augers Operating TipsMaintaining Your Snow Thrower Lubrication CarburetorShave Plate and Skid Shoes Servicing Your Snow ThrowerAugers Auger Belt Replacing BeltsDrive Belt Changing Friction Wheel RubberOff-season Storage EngineProblem Cause Remedy TroubleshootingModel 31AE993J401 Part Description Model 31AE993J40115 48 Yard-Man Green Yard-Man Yellow Powder Black Model 31AE993J401 Yard-Man Green Yard-Man Yellow Powder Black Model 31AE993J401 Description Handle Suppt. Bracket 5/8 RH Page Page MANUFACTURER’S Limited Warranty for