Craftsman EZ3 917.387151 Owner's Manual page 16

_ROBLEM
_oss of power
TROUBLESHOOTING CHART
CAUSE
• Rear of lawn mowerhousing
or cuttingbladedragging
in heavy grass.
• Cuttingtoo much grass.
Poorcut-uneven
_cessive
4bration
_'larter rope hard
o pull
3rass catcher
lot filling (if so
_uipped)
_ardtopush
• Dirty air filter.
• Buildup of grass, leaves,
and bash under mower.
• Too much oil in engine.
• Walking speed too fast.
•Wom, bent or loose blade.
• Wheel heights uneven.
Low engine speed.
• Buildup of grass, leaves
and bash under mower.
•Wom, bent or loose blade.
• Bent engine crankshaft.
• Engine flywheel brake is on
when control bar is released.
• Bent engine crankshaft.
• Blade adapter broken.
• Blade dragging in grass.
• Cutting height too low.
• Lift on blade worn off.
• Catcher not venting air.
• Low engine speed.
• Grass is too high or wheel
height is too low.
• Rear of lawn mower
housing or blade dragging
in grass.
• Grass catcher too full.
• Handle height position not
dght for you.
CORRECTION
• Set to =Higher Cur
position.
• Set to "Higher Cur
position.
• Clean/replace air filter.
• Clean underside of mower
housing.
• Check oil level.
• Cut at slower walking
speed.
• Replace blade. Tighten
blade belL
• Set all wheels at same
height
• Set engine speed control
in fast position.
• Clean underside of
mower housing.
i. Replace blade. Tghten
blade bolL
• Contact an authorized
service center.
• Depress control bar to
upper handle before
pulling s tarter rope.
• Contact an authorized
service center.
• Replace blade adapter.
• Move lawn mower to cut
grass or to hard surface
to start engine.
• Raise cutting height.
• Replace blade.
• Clean grass catcher.
• Set engine speed control
in fast position.
• Raise cutting height.
• Raise rear of lawn mower
housing one (1) setting
higher.
• Empty grass catcher.
• Adjust handle height to
suit.
16