Craftsman 917.377553 Owner's Manual page 17

PROBLEM
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)
Hardtopush
• Dirtyairfiiter.
• Buildup ofgrass,leaves,
and trashundermower
• Toomuchoilin engine.
• Walldngspeedtoofast.
• Worn, bent or loose blade.
• Wheel heights uneven.
• Buildup of grass, leaves
and trash under mower.
• Wom, bent or loose blade.
• Bent engine crankshaft.
• Engine flywhe_ brake is on
when controlbar is released.
• Bent engine crankshaft
• Bade adapter brokan.
• Blade dragging in grass.
• Cutting height too low.
• Uft on blade worn off.
• Catcher not venting air.
• Grass istoo high or wheel
height is tOOlow.
• Rearof lawn mower
housing or blade dragging
in grass.
• Grass catcher too full.
• Handle height position not
rightfor you.
CORRECTION
• Set to"HigherCut"
position.
• Set to "Higher Cut"
pos'_on.
• C_an/replace air fiiter.
• Clean underside of mower
housing.
• Check oil level.
• Cut at slower walking
speed.
• Replace blade. Tighten
blade bolL
• Set all wheels at same
height
• Clean underside of
mower housing.
• Replaceblade.T_hten
bladebolt.
• Contactan authorized
service center.
• Depresscontrol b ar to
upperhandlebefore
polling starterrope.
• Contactan authorized
servicecenter.
• Replasebladeedapter.
• Movelawnmowertocut
grassorto hardsurface
tostartengine.
• Raise cutting height.
• Replace blade.
• Clean grass catcher.
• Raise cuttingheight.
• Raise rear of lawn mower
housing one (1) setting
higher.
• Empty grass catcher.
• Adjust handle height to
suit.
17