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TROUBLE SHOOTING CHART
39
MTF−051057L
PROBLEM LOOK FOR REMEDY
Difficult starting Defective spark plug. Replace defective spark plug.
Engine runs erratically Blocked fuel line. Clean fuel line.
Empty gas tank. Check fuel supply,
Stale gasoline. Add fresh gasoline with fuel stabilizer.
Water or dirt in fuel system. Remove carburetor bowl to drain fuel tank. Refill
with fresh fuel. CAUTION: Do not remove
carburetor bowl when the engine is hot.
Engine stalls Unit running on CHOKE. Set choke lever to RUN position.
Loss of power Gas cap vent hole is plugged. Remove ice and snow from cap. Be sure vent
hole is clear.
Excessive vibration Loose parts or damaged impeller. Stop engine immediately and remove spark plug
wire. Tighten all bolts and make all necessary
repairs. If vibration continues, have the unit
serviced by a competent repairman.
Unit fails to propel
itself
Drive belt loose or damaged. Replace drive belt. Refer to Drive Belt
Replacement in the Maintenance section of this
manual.
Incorrect adjustment of traction drive
cable.
Adjust traction drive cable. Refer to Cable
Adjustment in the Maintenance section of this
manual.
Worn or damaged friction disc. Replace friction disc. Refer to Friction Wheel
Replacement in the Maintenance section of this
manual.
Unit fails to discharge
snow
Auger drive belt loose or damaged. Replace or adjust auger drive belt. Refer to Drive
Belt Replacement and Drive Belt Adjustment in
the Maintenance section of this manual.
Auger control cable not adjusted
correctly.
Adjust auger control cable. Refer to Cable
Adjustment in the Maintenance section of this
manual.
Broken shear bolt. Replace shear bolt. Refer to Auger Shear Bolt
Replacement in the Maintenance section of this
manual.
Discharge chute clogged. Stop engine immediately and disconnect spark
plug wire. Refer to the first Warning in
Snowthrower Operation in the Operation
section of this manual. Clean discharge chute
and inside of auger housing.
Foreign object lodged in auger. Stop engine immediately and disconnect spark
plug wire. Refer to the third Warning in
Snowthrower Operation in the Operation
section of this manual. Remove object from
auger.
Identifying Your Snowthrower
Your new snowthrower has two (2) identifying numbers: (1) unit model number: (2) unit serial number. The two preceding
numbers are required to insure that the proper replacement parts are obtained when required. If you have any questions
concerning parts, service, or technical data, contact your nearest John Deere/Frontier dealer.
For complete warranty information refer to the warranty in the Owner’s Information section of this manual.