30
Troubleshooting
WARNING!
Always switch off the engine and pull the ignition cable
before starting any inspection or adjustment work.
If after making an adjustment or repair to the engine you
let it run for a few minutes, remember that the exhaust
and other parts will get hot.
The following table provides solutions to common problems
encountered with the lawn mower:
Fault
Possible cause
Solution
Loud while
running,
machine
vibrates
heavily
• Screws are loose
• Blade fasteners
are loose
• Blade is
unbalanced
• Check screws
• Check blade
fasteners
• Replace blade
Engine does
not start
• Start/stop bar
not pressed
• Primer bulb is
empty
• Spark plug is
defective
• Fuel tank is
empty
• Engine may be
flooded
• Press start/stop bar
• Press primer bulb
3-5 times
• Replace spark plug
• Refill with fuel
• Remove plug and
dry, see page 27
Engine runs
unsteadily
• Air filter is soiled
• Spark plug is
soiled
• Clean the air filter
• Clean the spark
plug
Uneven
mowing
results
• Blade is blunt
• Cutting height is
too low
• Sharpen the blade
• Set correct height
Unsatisfactory
grass
collection
• Cutting height is
too low
• Blade is worn
• Grass collection
bag is clogged
• Set correct height
• Replace the blade
• Clear any clogged
grass debris
