382514_B_HI
18
Troubleshooting
Problem
Possible Cause of Problem
Possible Solution to Problem
Engine will not start.
• Stop switch is in OFF position.
• Throttle is in OFF position.
• Engine is not in full choke
position.
• No gasoline in engine.
• Gasoline in engine has expired.
• Oil level in engine is too low.
• Air filter is dirty.
• Check stop switch, throttle, and
choke positions.
• Check engine’s gasoline level
and quality.
• Check engine’s oil level and
quality.
• Clean or replace air filer.
• Contact a qualified engine
servicer.
Machine vibrates abnormally.
• Tines are damaged or missing.
• Handle bolts are loosened.
• Engine bolts are loosened.
• Stop work immediately!
• Replace damaged or missing
tines.
• Tighten all loose nuts and bolts.
Engine stalls or labors when
aerating.
• Slope is too steep for operation.
• Engine oil level is too low.
• Work at a 45
o
angle to the slope.
• Work up and down the slope, not
across.
• Check engine oil level and add oil
when appropriate.
Engine is locked and will not pull
over.
• Debris is locked against drive
pulleys.
• Engine is malfunctioning.
• Pull spark plug wire.
• Remove debris from drive
pulleys.
• Contact a qualified engine
servicer.
Machine does not move when the
clutch is engaged.
• Drive belt is out of adjustment.
• Drive belt is worn.
• Pulleys are loose or damaged.
• Clutch cable is damaged or
broken.
• Refer to subsection “Replacing
the Drive Belt” in the Maintenance
section of this manual to perform
the belt replacement properly.
• Contact a qualified engine
servicer.
NOT
FOR
REPRODUCTION
