Craftsman 917.28990 Manual Del Operador página 31

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TROUBLESHOOTING
CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM
Engine clicks but
will not start
Loss of power
Excessive vibration
Engine continues
run when operator
leaves seat with
attachment
clutch
engaged
CAUSE
CORRECTION
1
Weak
or dead battery.
1
Recharge
or replace
battery.
2
Corroded
battery
terminals.
2
Clean
battery terminals.
3
Loose or damaged
wiring.
3
Check all wiring.
4
Faulty solenoid
or starter.
4
Check/replace
solenoid
or starter.
1
Cutting too much grass/too
fast.
1
Raise cutting
height/reduce
speed.
2
Throttle
in "CHOKE"
position.
2
Adjust
throttle
control.
3
Build-up
of grass, leaves
and
3
Clean
underside
of mower
trash
under mower,
housing.
4
Dirty air filter.
4
Clean/replace
air filter.
5
Low oil level/dirty
oil.
5
Check oil level/change
oil.
6
Faulty spark plug.
6
Clean
and regap
or change
spark
plug.
7
Dirty fuel filter.
7
Replace
fuel filter.
8
Stale or dirty fuel.
8
Empty fuel tank and refill tank wig-
fresh, clean gasoline.
9
Water
in fuel.
9
Empty fuel tank and carburetor,
refill tank with fresh gasoline
and
replace
fuel filter.
10
Spark plug wire loose.
10
Connect
and tighten
spark
plug
wire.
11
Dirty engine
air screen/fins.
11
Clean
engine air screen/fins.
12
Dirty/clogged
muffler.
12
Clean/replace
muffler.
13
Loose or damaged
wiring.
13
Check all wiring.
14
Carburetor
out of adjustment.
14
See "To Adjust
Carburetor"
in
Service
and Adjustments
section.
15
Engine
valves out of adjustment.
15
Contact
a Sears
or other qualified
service
center.
1
Worn,
bent or loose blade.
1
Replace
blade. Tighten
blade
bolt
2
Bent blade
mandrel.
2
Contact
a Sears
or other
qualified
service
center.
3
Loose/damaged
part(s).
3
Tighten
loose part(s).
Replace
damaged
parts.
1
Faulty operator-safety
presence
1
Check wiring,
switches
and
control system,
connections.
If not corrected,
contact
a Sears or other
31
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