TROUBLE SHOOTING CHART
25
MTF-0410107C
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.
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.
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.
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.
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. Remove object from auger housing.
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.
Summary of Contents for ST0521E
Page 1: ...ST0521M ST0521E Snow Thrower MTF 0410107C OPERATOR S MANUAL...
Page 26: ...NOTES 26 MTF 0410107C...
Page 42: ...NOTES 42 MTF 0410107C...
Page 43: ...NOTES 43 MTF 0410107C...
