Craftsman 917377520 rotary lawn mower

User Manual - Page 17

For 917377520.

PDF File Manual, 48 pages, Download pdf file

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TROUBLESHOOTING CHART
PROBLEM CAUSE
Loss of power =
Poor cut- uneven
Excessive
vibration
Starter rope hard
to pull
Grass'catcher .............
not filling (if so
equipped)
Hard to push
Rear of lawn mower housing
or cutting blade dragging
in heavy grass.
Cutting too much grass_
o Dirty air _tero
° Buildup of grass, leaves,
and trashi_)hdermower.
o Too much oil in engine.
Walking speed too fast.
Worn, bent or loose blade.
o Wheel heights uneven.
= Buildup of grass, leaves
and trash under mower.
o Worn, bent or loose blade.
o Bent engine crankshaft.
o Engine flywheel brake is on
when control bar is released.
° Bent engine crankshaft.
° Blade adapter broken.
Blade dragging in grass.
Cutting height too low.
o Lift on blade worn off.
,, Catcher not venting air.
° Grass is too high or wheel
height is too Iow_
- 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 Cu't"
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 bolt. '+.
, Contact an authorized
service center.
Depress control bar to
upper handle before
pulling starter rope.
o Contact an authorized
service center.
° Replace blade adapter.
° Move lawn mower to cut
grass or to hard surface
to start engine.
- Raise cutting heighL
° Replace blade.
° Clean grass catcher.
Raise cutting height.
° Raise rear of lawn mower
housing one (1) se_ng
higher°
° Empty grass catcher.
Adjust handle height to
suit.
17
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