Problem

 

Cause

 

Remedy

 

 

 

 

 

Engine fails to start

1.

Choke not in ON position.

1.

Move choke to ON position.

 

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.

Engine not primed.

4.

Prime engine as instructed in

 

 

 

 

“Operating Your Snow Thrower”.

 

5.

Faulty spark plug.

5.

Clean, adjust gap, or replace.

 

 

 

 

6.

Blocked fuel line.

6.

Clean fuel line.

 

 

 

 

7.

Safety key not in ignition on engine.

7.

Insert key fully into the switch.

 

 

 

 

8.

Fuel shut-ff valve closed. (If Equipped)

8.

Open fuel shut-off valve.

 

 

 

 

 

 

 

 

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; fill tank with clean,

 

 

 

 

fresh gasoline.

 

3.

Water or dirt in fuel system.

3.

Drain fuel tank. Refill with

 

 

 

 

fresh fuel.

 

4.

Carburetor out of adjustment.

4.

Contact Service Center.

 

 

 

 

 

Engine overheats

1.

Carburetor not adjusted properly.

1.

Contact Service Center.

 

 

 

 

 

Excessive

1.

Loose parts or damaged auger.

1.

Stop engine immediately and

Vibration

 

 

 

disconnect spark plug wire. Tighten

 

 

 

 

all bolts and nuts. If vibration

 

 

 

 

continues, have unit serviced by a

 

 

 

 

Service Center.

 

 

 

 

 

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.

Contact Service Center.

 

 

 

 

 

Unit fails

1.

Drive control cable in need of adjust-

1.

Adjust drive control cable. Refer to

to propel itself

 

ment.

 

“Adjustments”.

 

2.

Drive belt loose or damaged.

2.

Replace drive belt.

 

 

 

 

 

Unit fails

1.

Chute assembly clogged.

1.

Stop engine immediately and

to discharge snow

 

 

 

disconnect spark plug wire. Clean

 

 

 

 

chute assembly and inside of

 

 

 

 

auger housing with clean-out tool

 

 

 

 

or a stick.

 

2.

Foreign object lodged in auger.

2.

Stop engine immediately and

 

 

 

 

disconnect spark plug wire.

 

 

 

 

Remove object from auger with

 

 

 

 

clean-out tool or a stick.

 

3.

Auger control cable in need of adjust-

3.

Refer to “Auger Control Test” .

 

 

ment.

 

 

 

4.

Auger belt loose or damaged.

4.

Refer to Maintenance section.

 

5.

Shear pin(s) sheared.

5.

Replace with new shear pin(s).

8

Trouble-

Shooting

NOTE: This section addresses minor service issues. For further details, contact customer assistance.

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MTD 769-03244 warranty Trouble Shooting, Problem Cause Remedy