Craftsman 388 Lawn Mower User Manual


 
TROUBLESHOOTING CHART
PROBLEM CAUSE
Loss of power
Poor cut - 1.
uneven
2.
3.
Excessive
vibration
1. Rear of lawn mower
housingor cuttingblade
dragging in heavy grass.
2. Cutting too much grass.
Starter rope hard 1.
topull
2.
3.
4.
Grass catcher 1,
not filling(if so 2.
equipped) 3.
Hard to push 1,
2,
3.
4,
3. Dirty air filter.
4. Buildup of grass, leaves,
and trash under mower.
5. Too much oil in engine..
6. 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.
CORRECTION
1. Set to "Higher Cur'
position.
2. Set to "Higher Cut"
position.
3. Clean/replace air filter.
4. Clean underside of mower
housing.
5. Check oil level.
6. Cut at slower walking
speed.
1. Replace blade. Tighten
blade bolt.
2. Set all wheels at same
height
3. Clean underside of
mower housing.
1. 1. Replace blade. Tighten
blade bolt.
2. 2. Contact a Sears or other
qualified service center.
Engine flywheel brake is on
when control bar is release€
Bent engine crankshaft.
Blade adapter broken.
Blade dragging in grass.
1. Depress controlbar to
upper handle before
pullingstarter rope.
2. Contacta Searsor other
qualifiedservicecenter.
3. Replaceblade adapter.
4. Move lawnmowerto cut
grassorto hardsurface.
Cutting height too low. 1. Raise cutting height.
Lift on blade worn off. 2. Replace blade.
Catcher not venting air. 3. Clean grass catcher.
1. Raise cutting height.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
rightfor you.
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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