Craftsman 917.387402 - Manual (Page 17)

TROUBLESHOOTING CHART
PROBLEM CAUSE CORRECTION
Loss of power • Rear of lawn mower housing • Set to “Higher Cut”
or cutting blade dragging
in heavy grass. position.
• Cutting too much grass. • Set to “Higher Cuf
position.
• Dirty air fitter. • Clean/replace air filter.
1
* Buildup of grass, leaves, • Clean underside of mower
and trash under mower. housing.
• Too much oil in engine. * Check oil level.
• WalMng speed too fast. • Cut at slower walking
speed.
Poor cut - uneven • Worn, bent or ioose biade. • Replace blade. Tighten
blade bolt.
• Wheel heights uneven. • Set all wheels at same
height
• Buildup of grass, leaves • Clean underside of
•
and trash under mower. mower housing.
Excessive • Worn, bent or loose blade. • Replace blade. Tighten
vibration blade bolt.
• Bent engine crankshaft. • Contact an authorized
service center.
Starter rope hard • Engine flywheel brake is on • Depress control bar to
to puli when control bar is released. upper handle before
pulling starter rope.
• Bent engine crankshaft. • Contact an authorized
service center.
• Blade adapter broken. • Replace blade adapter.
• Blade dragging in grass. • Move lawn mower to cut
grass or to hard surface
to start engine.
Grass catcher • Cutting height too low. • Raise cutting height.
not failing (if so • Lift on blade worn off. • Replace blade.
equipped) • Catcher not venting air. • Clean grass catcher.
Hard to push • Grass is too high or wheel
height is too low.
• Raise cutting height.
• Rear of lawn mower • Raise rear of lawn mower
housing or blade dragging housing one (1) setting
in grass. higher.
• Grass catcher too full. • Empty grass catcher.
• Handle height position not • Adjust handle height to
right for you. suit.
17