MTD Troubleshooting Guide for E740F Snow Blower

Page 18

SECTION 9: TROUBLESHOOTING

Problem

 

Cause

 

Remedy

 

 

 

 

 

Engine fails to start

1.

Fuel tank empty, or stale fuel.

1.

Fill tank with clean, fresh gasoline. Fuel

 

 

 

 

becomes stale after thirty days.

 

2.

Blocked fuel line.

2.

Clean the fuel line.

 

3.

Choke not in the ON position

3.

Move switch to the 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.

 

8.

Fuel shut-off valve closed.

8.

Open fuel shut-off valve.

Engine runs erratic

1.

Unit running on CHOKE.

1.

Move the choke lever to OFF position.

 

2.

Blocked fuel line or stale fuel.

2.

Clean the fuel line; fill the tank with

 

 

 

 

clean, fresh gasoline.

 

3.

Water or dirt in the fuel system.

3.

Drain the fuel tank and carburetor.

 

 

 

 

Refill with fresh fuel.

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.

Excessive vibration

1.

Loose parts or damaged auger.

1.

Stop the engine immediately and

 

 

 

 

disconnect the spark plug wire. Tighten

 

 

 

 

all bolts and nuts. If vibration continues,

 

 

 

 

have the unit serviced by an authorized

 

 

 

 

service dealer.

Unit fails

1.

Traction control cable in need of

1.

Adjust traction control cable. Refer to

to propel itself

 

adjustment.

 

Making Adjustment Section.

 

2.

Drive belt loose or damaged.

2.

Replace drive belt. Refer to the Service

 

 

 

 

Section.

Unit fails

1.

Discharge chute clogged.

1.

Stop engine and disconnect spark plug

to discharge snow

 

 

 

wire. Clean discharge chute and inside

 

 

 

 

of auger housing.

 

2.

Shear bolt sheared.

2.

Replace shear bolt.

 

3.

Foreign object lodged in auger.

3.

Stop engine immediately and

 

 

 

 

disconnect spark plug wire. Remove

 

 

 

 

object from auger.

 

4.

Auger control cable in need of adjustment.

4.

Adjust auger control cable. Refer to the

 

 

 

 

Making Adjustments Section.

 

5.

Auger belt loose or damaged.

5.

Refer to Service Section.

 

6.

Shear bolt(s) sheared.

6.

Replace shear bolt(s).

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Contents OPERATOR’S Manual Table of Contents Preparation Important Safe Operation PracticesTraining OperationMaintenance And Storage Your ResponsibilityContents of Hardware Pack Assembling Your Snow Thrower Attaching Handle AssemblyAttaching Chute Assembly UnpackingAttaching Shift Rod Hardware CUse Hardware D Attaching Control Cables Auger Control AdjustmentSkid Shoe Adjustment Attaching Track ControlsTraction Control and Shift Lever Adjustment Know Your Snow ThrowerAuger Drive Control Chute Directional Control Safety Ignition KeyShift Lever Skid ShoeOperating Your Snow Thrower To Engage Track Drive Recoil StarterTo Stop Engine To Engage AugersChute Directional Control And Support Bracket Adjustment Auger Control AdjustmentTraction Control Adjustment Shift Rod AdjustmentMaintaining Your Snow Thrower Skid Shoe AdjustmentChute Assembly LubricationEngine Belt Removal And ReplacementServicing Your Snow Thrower AugersServicing Friction Wheel Rubber Drive BeltOff-season Storage Troubleshooting Problem Cause RemedyModel E740F Part DescriptionModel E740F Part Description Model E740F Part Description 315 Model E740F 4039 Model E740F Model E740F Model E740F Page Page MANUFACTURER’S Limited Warranty for