Craftsman EZ3 917.377540 Owner's Manual page 17

PROBLEM
i
Loss of power
TROUBLESHOOTING CHART
CAUSE
• Rear of lawn mower housing
or cutting blade dragging
in heavy grass.
• Cutting too much grass.
Poor cut- uneven
Excessive
vibration
Starter rope hard
to pull
Grass catcher
not filling (if so
equipped)
Hard to push
o Dirty air filter.
o Buildup of grass, leaves,
and trash under mower.
• Too much oil in engine.
o Walking speed too fast.
. Worn, bent or loose blade_
- Wheel heights uneven.
• Buildup of grass, leaves
and trash under mower,
• Worn, 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
o Cutting height too low,
° Lift on blade worn off°
° Catcher not venting air.
° Grass is too high or wheel
height is too Iowo
° Rear of lawn mower
housing or blade dragging
in grass,
, Grass catcher too full
,, Handle height position not
right for you,
i COFIRECTION
° Set to "Higher Cut"
position.
, Set to "Higher Cut"
position,
• Clean/repiace airfiiter_
° Clean underside of mower
housing.
,, Check oit level
• Cut at slower walldng
speed.
° Replace biade. Tighten
blade bolt.
° Set all wheels at same
height
° Clean underside of
mower housing.,
• Replace blade. Tighten
b}ade bolt..
° Contact an authorized
service center.
- Depress control bar to
upper handle before
pulling starter 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,
° Clear_ grass catcher
° Raise cutting height.
,, Raise rear of lawn mower
housing one (1) setting
higher.
° Empty grass catcher.
• Adjust handle height to
suit.
17