Craftsman 6.0 HORSEPOWER 22" REAR DISCHARGE ROTARY LAWN MOWER 917.387402 Owner's Manual page 17

TROUBLESHOOTING CHART
PROBLEM
Loss of power
Poorcut-uneven
Excessive
vibration
Starter rope hard
to pull
Grass catcher
not filling (if so
equipped)
Hard to push
CAUSE
• Rear of lawn mower housing
or cutting blade dragging
in heavy grass.
• Cutting too much grass.
• Dirtyairfilter.
,o Buildupof grass,leaves,
and trash undermower.
• Too much oilin engine.
• Walkingspeed too fast.
•Wom, bent or loose blade.
• Wheel heights uneven.
• Buildup of grass, leaves
and trash under mower.
•Wom, bent or loose blade.
• Bent engine crankshaft.
• Engine flywheelbrake is on
when controlbar is released.
• Bent engine crankshaft.
• Blade adapter broken.
• Blade dragging in grass.
• Cutting height toolow.
• Lifton bladeworn off.
• Catcher notventingair.
• 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
right for you.
CORRECTION
• Set to "Higher Cut"
position.
• Set to "Higher 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
• Clean underside of
mower housing.
• Replace blade. Tighten
blade belt.
• Contact an authorized
service center.
• Depress controlbar to
upper handle before
pulling starterrope.
• Contactan authorized
servicecenter.
• Replaceblade adapter.
• Move lawn mowertocut
grass orto hard surface
to start engine.
• Raise cutting height.
• Replace blade.
• Clean grass catcher.
• Raise cutting height.
• Raise rear of lawn mower
housing one (1) setting
higher.
• Empty grass catcher.
• Adjust handle height to
suit.
17