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Craftsman EZ3 917.387070 Owner's Manual page 16

5.5 horsepower 20" cast convertible rotary lawn mower

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TROUBLESHOOTING
CHART
PROBLEM
Lossof power
Poor cut - uneven
Excessive
vibration
;tarter rope hard
o pull
.3rass catcher
lot filling (ff so
)quipped)
-lard to push
.'AUSE
• Rear of lawn mower housing
or cutting blade dragging
in heavy grass.
,, Cutting too much grs.se.
• Dirty air filter.
• Buildup of grass, leaves,
md trash under mower.
• Too much oil in engine.
• Walking speed too fast.
• Worn, bent or loose blade.
• Wheel heights uneven.
• Low engine speed.
• Buildup of grass, leaves
and trash 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 oft.
• Catcher not venting air.
• Lowengine 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 positionnot
right for you.
CORRECTION
• Set to"Higher Cut"
position.
• Set to 'l-ligher Cut"
position.
• Clean/replace air filter.
• Clean underside of mower
housing.
• Check oil level.
• Cut at slower walking
speed
• Replace blade.Tighten
blade bolt.
• Set all wheels at same
height
• Set engine speed control
in fast position.
• Clean underside of
mower housing.
• Replace blade.Tighten
blade bolt.
• Contact an authorized
service center.
• Depress controlharto
upper handle before
pulling starter rope.
• Contact an authorized
service center.
• Replace blade adapter.
• Move lawn mower to cut
grass orto 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

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