Craftsman 917.20403 Operator's Manual page 37

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TROUBLESHOOTING
CHART:
See appropriate
section in manual unless directed to Sears service center
CAUSE
1
Cutting too much grass/too
fast.
2
3
PROBLEM
Loss of power
Throttle
in cold weather
starting
position
(1_).
Excessive
vibration
Build-up
of grass, leaves and
trash under mower.
4
Dirty air filter.
5
Low oil level/dirty
oil.
6
Faulty spark plug.
7
Dirty fuel filter.
8
Stale or dirty fuel.
9
Water in fuel.
10
Spark plug wire loose.
11
Dirty engine air screen/fins.
12
Dirty/clogged
muffler.
13
Loose or damaged
wiring.
14
Engine valves out of adjustment.
1
Worn, bent or loose blade.
2
Bent blade mandrel.
3
Loose/damaged
part(s).
Engine continues to
1
Faulty operator-safety presence
control system.
run when operator
leaves seat with
attachment
clutch
engaged
Poor cut = uneven
cutting
1
Worn, bent or loose blade.
2
Mower deck not level.
3
Buildup of grass, leaves, and
trash under mower.
4
Bent blade mandrel.
5
Clogged
mower deck vent from
build-up
of grass, leaves, and
trash around mandrels.
CORRECTION
1
Raise cutting height/reduce
speed.
2
Move throttle control to fast
position
(=_).
3
Clean underside
of mower
housing.
4
Clean/replace
air filter.
5
Check oil level/change
oil.
6
Clean and regap or change
spark
plug.
7
Replace fuel filter.
8
Empty fuel tank and refill tank witk
fresh, clean gasoline.
9
Empty fuel tank and carburetor,
refill tank with fresh gasoline
and
replace fuel filter.
10
Connect/Tighten
spark plug wire.
11
Clean engine air screen/fins.
12
Clean/replace
muffler.
13
Check all wiring.
14
Contact
a qualified service
center.
1
Replace
blade. Tighten
blade bolt
2
Contact
a qualified service
center.
3
Tighten
loose part(s).
Replace
damaged
parts.
1
Check wiring, switches
and
connections.
If not corrected,
contact a qualified service
center.
_i
AUTION:
DO NOT
operate
machine
until
problem
is corrected.
1
Replace
blade. Tighten
blade bolt
2
Level mower deck.
3
Clean underside
of mower
housing.
4
Contact
a qualified service
center.
5
Clean around
mandrels
to
open vent holes.
37

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