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Craftsman 917.28990 Manual Del Operador página 32

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TROUBLESHOOTING
CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM
Poor cut - uneven
cutting
Mower blades will
not rotate
Poor grass
discharge
Headlight(s)
not
working
(if so equipped)
Battery will not
charge
CAUSE
1
Worn, bent or loose blade.
1
2
Mower deck
not level.
2
3
Buildup
of grass,
leaves, and
3
trash under mower.
4
Bent blade
mandrel.
4
5
Clogged
mower deck vent from
build-up
of grass,
leaves, and
trash around
mandrels.
1
Obstruction
in clutch
mechanism.
2
Worn/damaged
mower
drive belt.
3
Frozen
idler pulley.
4
Frozen
blade
mandrel.
1
Engine
speed too slow.
2
Travel speed too fast.
3
Wet grass.
4
Mower deck
not level.
5
Low/uneven
tire air pressure.
6
Worn, bent or loose blade.
7
Buildup
of grass,
leaves and
trash under mower.
8
Mower drive belt worn.
9
Blades
improperly
installed.
10
Improper
blades
used.
11
Clogged
mower deck vent holes
from buildup
of grass,
leaves,
and
trash around
mandrels.
1
Light switch
is "OFF".
2
Bulb(s)
or lamp(s)
burned
out.
3
Faulty light switch.
4
Loose or damaged
wiring.
5
Blown fuse.
1
Bad battery
cell(s).
2
Poor cable connections.
3
Faulty regulator
(if so equipped).
4
Faulty alternator.
CORRECTION
Replace
blade. Tighten
blade
bolt.
Level mower
deck.
Clean
underside
of mower
housing.
Contact
a Sears or other
qualified
service
center.
Clean
around
mandrels
to
open vent holes.
1
Remove
obstruction.
2
Replace
mower drive belt.
3
Replace
idler pulley.
4
Contact
a Sears or other
qualified
service
center.
1
Place throttle
control
in "FAST"
position.
2
Shift to slower speed.
3
Allow grass
to dry before
mowing.
4
Level mower
deck.
5
Check tires for proper
PSI.
6
Replace/sharpen
blade. Tighten
blade
bolt.
7
Clean
underside
of mower
housing.
8
Replace
mower drive belt.
9
Reinstall
blades
sharp edge down.
10
Replace
with blades
listed in
this manual.
11
Clean
around
mandrels
to
open vent holes.
1
Turn light switch "ON".
2
Replace
bulb(s)
or lamp(s).
3
Check/replace
light switch.
4
Check wiring
and connections.
5
Replace
fuse.
1
Replace
battery.
2
Check/clean
all connections.
3
Replace
regulator.
4
Replace
alternator.
32

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