MTD 428C manual Trouble Shooting Guide, Trouble Possible Causes Corrective Action

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SECTION 7: TROUBLE SHOOTING GUIDE

Trouble

Possible Cause(s)

Corrective Action

 

 

 

Engine fails to

Fuel tank empty, or stale fuel.

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

start

 

days unless a fuel stabilizer is used.

 

Throttle control lever not in correct starting

Move throttle lever to start position.

 

position (if so equipped).

 

 

Blocked fuel line.

Clean fuel line.

 

Dirty aircleaner.

Refer to the engine manual packed with your unit.

 

Choke not in ON position.

Move choke to ON position.

 

Spark plug wire disconnected.

Connect wire to spark plug.

 

Faulty spark plug.

Clean, adjust gap or replace.

 

Engine flooded.

Refer to the engine manual packed with your unit.

Engine runs

Unit running on CHOKE.

Move choke lever to OFF position.

erratic

Spark plug wire loose.

Connect and tighten spark plug wire.

 

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.

 

Vent in gas cap plugged.

Clear vent.

 

Water or dirt in fuel system.

Drain fuel tank. Refill with fresh fuel.

 

Dirty air cleaner.

Refer to the engine manual packed with your unit.

 

Carburetor out of adjustment.

Refer to the engine manual packed with your unit.

Engine overheats

Engine oil level low.

Fill crankcase with proper oil.

 

Dirty air cleaner.

Refer to the engine manual packed with your unit.

 

Air flow restricted.

Refer to the engine manual packed with your unit.

 

Carburetor not adjusted properly.

Adjust carburetor as instructed in separate engine manual.

Tines do not

Foreign object lodged in tines.

Dislodge foreign object.

engage

Tine clevis pin(s) missing.

Replace tine clevis pin(s).

 

Pulley and idler not in correct

Take unit to authorized service dealer.

 

adjustment.

 

 

Not shifting properly.

Refer to controls section of operator’s manual for proper

 

 

shifting procedures.

 

Control cable not adjusted properly.

Adjust control cable (see assembly instructions).

 

Belt worn and/or stretched.

Replace belt.

Wheels do not

Clevis pin missing.

Replace clevis pin.

engage

Tiller is not being shifted properly.

Refer to controls section of operator’s manual for proper

 

 

shifting procedures.

 

Control cable not adjusted properly.

Adjust control cable (see assembly instructions).

 

Belt worn and/or stretched.

Replace belt.

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

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Contents Operator’s Manual Customer Support Table of ContentsOperation Important Safe Operation PracticesTraining PreparationYour Responsibility Maintenance & StorageTo Remove Unit From Carton Before Assembly Attaching Depth StakeAttaching Handle Assembly Assembling Your TillerAttaching Clutch Cable Attaching Gear Shift RodIf the wheels do not spin with the unit Final Clutch AdjustmentTire Pressure Viewed From Under HandleThrottle Control Know Your TillerGear Selection Handle Clutch HandleFuel Shut-Off Valve If Equipped Handle Adjustment CrankPrimer Button If Equipped Depth StakeStarting Engine Setting The DepthOperating Your Tiller Before Starting Gas And Oil Fill-UpOperating the Tiller Handle Adjustment Belt Tension AdjustmentEngine Adjustment Maintaining Your Tiller Off-Season Storage Trouble Possible Causes Corrective Action Trouble Shooting GuideParts List for Model Series Part Description Model SeriesModel Series Model Series 16 17 Model Series Page Page MANUFACTURER’S Limited Warranty for