MTD 31AE993I401 manual Troubleshooting, Problem Cause Remedy

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SECTION 9: 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 minor adjustments listed above, contact the local dealer.

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Contents Operator’s Manual MTD LLC, P.O. BOX 361131 CLEVELAND, OhioTable of Contents Preparation Important Safe Operation PracticesTraining OperationMaintenance & Storage Your ResponsibilityAssembling Your Snow Thrower Traction Control & Shift Lever Chute Clean-Out ToolFinal Adjustments Auger ControlTire Pressure Pneumatic Tires Shift Lever Knowing Your Snow ThrowerTraction Control / Auger Control Lock Discharge ChuteGas & Oil Fill-Up Operating Your Snow ThrowerBefore Starting To Start EngineTo Engage Augers To Stop EngineTo Engage Wheel Drive Operating TipsShift Rod Traction ControlMaintaining Your Snow Thrower Auger Shaft Gear ShaftGear Case Auger Bearings and ShaftServicing Your Snow Thrower Replacing Belts Auger BeltChanging Friction Wheel Rubber Drive BeltSafety & Decorative Labels Part Number and Location Sprocket Hex Shaft Hex HubTroubleshooting Problem Cause RemedyParts List for Model DescriptionModel Part Description List Color Codes below Please add Model 20 57 05244A Bearing Housing Model Description MANUFACTURER’S Limited Warranty for MTD LLC, P.O. BOX 361131 CLEVELAND, Ohio 44136-0019 Phone

31AE993I401 specifications

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