Craftsman 917.379480 Troubleshooting Chart, Problem, Cause, Excessive vibration, Hard to push

Models: 37948 917.379480

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TROUBLESHOOTING CHART

TROUBLESHOOTING CHART

PROBLEM

CAUSE

CORRECTION

Excessive vibration

Starter rope hard topull

Loss of drive

Gross catcher hot filling (if so

equipped)

Hard to push

1.Worn, bent or loose blade.

2.Bent engine crankshaft.

1.Engine flywheel brake is on when control bar is released.

2.Bent engine crankshaft.

3.Blade adapter broken.

4.Blade dragging in grass.

1.Drive wheels not tuming with drive control engaged.

2.Belt not driving

1.Cutting height tee low.

2.Lift on blade wom off.

3.Catcher not venting air.

4.Low engine speed

1.Grass is too high or wheel

height is too low.

2.Rear of lawn mower housing or blade dragging

in grass.

3, Grass catcher too full.

4.Handle height position not right for you,

1.Replace blade. ]]ghten blade bolt.

2.Contact an authorized service center.

1.Depress control bar to upper handle before pulling starter rope.

2.Contact an authorized service center.

3.Replace blade adapter.

4.Move lawn mower to cut grass or to hard surface.

1.Adjust or replace drive control cable.

2.Put belt on pulleys or replace belts if broken.

1.Raise cutting height.

2.Replace blade.

3.Clean grass catcher.

4.Set throttle to fast position.

1.Raise cutting height.

2.Raise rear of lawn mower housing one (1) setting higher.

3.Empty grass catcher.

4.Adjust handle height to suit.

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Craftsman 917.379480 owner manual Troubleshooting Chart, Problem, Cause, Excessive vibration, Hard to push