Yard-Man 31AE553F401 manual Trouble Shooting Guide, Trouble Possible Causes Corrective Action

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SECTION 12: TROUBLE SHOOTING GUIDE

Trouble

Possible Cause(s)

Corrective Action

 

 

 

Engine fails to start

Fuel tank empty, or stale fuel.

Fill tank with clean, fresh gasoline. Fuel will not last over thirty

 

 

days unless a fuel stabilizer is used.

 

Blocked fuel line.

Clean fuel line.

 

Choke not in ON position

Move switch to ON position

 

Faulty spark plug.

Clean, adjust gap or replace.

 

Key not in switch on engine.

Insert key.

 

Spark plug wire

Connect spark plug wire.

 

disconnected.

 

 

Primer button not depressed.

Refer to the engine manual packed with your unit.

 

Fuel shut-off valve closed

Open fuel shut-off valve.

 

(if so equipped).

 

 

Throttle in Stop position

Move Throttle to RUN position.

Engine runs erratic

Unit running on CHOKE.

Move choke lever to OFF position.

 

Blocked fuel line or stale fuel.

Clean fuel line; fill tank with clean fresh gasoline. Fuel will not last

 

 

over thirty days unless a fuel stabilizer is used.

 

Water or dirt in fuel system.

Drain fuel tank. Refill with fresh fuel.

 

Carburetor out of adjustment.

Refer to the engine manual packed with your unit or have

 

 

carburetor adjusted by an authorized service dealer.

Loss of power

Spark plug wire loose.

Connect and tighten spark plug wire.

 

Gas cap vent hole plugged.

Remove ice and snow from cap. Be certain vent hole is clear.

 

Exhaust port plugged.

Clean-see Maintenance section of engine manual.

Engine overheats

Carburetor not adjusted

Refer to the engine manual packed with your unit or have

 

properly.

carburetor adjusted by an authorized service dealer.

Excessive vibration

Loose parts or damaged

Stop engine immediately and disconnect spark plug wire. Tighten

 

auger.

all bolts and nuts. Make all necessary repairs. If vibration

 

 

continues, have unit serviced by an authorized service dealer.

Unit fails to propel

Incorrect adjustment of drive

Adjust drive cable. Refer to Adjustment section of this manual.

itself

cable.

Replace drive belt. Refer to Belt Replacement in Maintenance

 

Drive belt loose or damaged.

section of this manual.

 

Rubber on friction wheel worn

Replace rubber following instructions on page 15.

 

off

 

Unit fails to

Discharge chute clogged.

Stop engine immediately and disconnect spark plug wire. Clean

discharge snow

 

discharge chute and inside of auger housing.

 

Foreign object lodged in

Stop engine immediately and disconnect spark plug wire.

 

auger.

Remove object from auger.

 

Incorrect adjustment of drive

Adjust drive cable. Refer to Adjustment section of this manual.

 

cable.

Replace drive belt. Refer to Belt Replacement in Maintenance

 

Drive belt loose or damaged.

section of this manual.

Note: For repairs beyond the minor adjustments above, contact your local authorized service dealer.

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Contents MTD Products INC. P.O. BOX 368022 CLEVELAND, Ohio Important Read Safety Rules and Instructions CarefullyTraining Important Safe Operation PracticesPreparation OperationSafety Labels found on your unit Maintenance and StorageUnpacking the Snow Thrower Finding Snow Thrower Model NumberCalling Customer Support SET-UP Instructions Auger Drive Clutch Final AdjustmentsSkid Shoe Traction Drive Clutch and Shift LeverControls GAS and OIL FILL-UP OperationTo Start Engine To Stop EngineTo Steer Snowthrower To Engage DriveTo Engage Augers Tire PressureAdjustments Lubrication Augers MaintenanceShave Plate and Skid Shoes Replacing BeltAuger drive belt from the front auger pulley Drive Belt Changing Friction Wheel RubberOFF-SEASON Storage Trouble Possible Causes Corrective Action Trouble Shooting GuideRepair Parts Ref. No Codes below. Please add the applicable color code Cable Guide Page 151 2732 Yard-Man Green Yard-Man Yellow0674 Powder Black Wheel Assembly Yard-Man Green Yard-Man Yellow 0674 Powder Black 0637 Tire Chain Part Number Optional PartsOther Warranties MANUFACTURER’S Limited Warranty for

31AE553F401, 31AE573H401 specifications

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