Troubleshooting - Craftsman 917.286140 Operator's Manual

20.0 hp 46" mower, electric start, automatic transmission
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If battery is removed from tractor for
storage, do not store battery directly on
concrete or damp surfaces.
ENGINE
FUEL
SYSTEM
iMPORTANT:
It is important
to prevent
gum deposits
from forming
in essential
fuel
system
parts such as carburetor,
fuel
hose,
or tank during
storage.
Also, alcohol
blended
fuels
(called
gasohol
or using
ethanol
or methanol)
can attract
moisture
which
leads to separation
and formation
of
acids during
storage.
Acidic
gas can dam-
age the fuel system
of an engine
while
in
storage.
Empty
the fuel tank by starting
the en-
gine and letting
it run until the fuel lines
and carburetor
are empty.
Never
use engine
or carburetor
cleaner
products
in the fuel tank or permanent
damage
may occur.
Use fresh fuel next season.
NOTE:
Fuel stabilizer
is an acceptable
alternative
in minimizing
the formation
of
fuel gum deposits
during
storage.
Add
stabilizer
to gasoline
in fuel tank or stor-
age container.
Always
follow
the mix ratio
found
on stabilizer
container.
Run engine
at least 10 minutes
after adding
stabilizer
to allow the stabilizer
to reach
the car-
buretor.
Do not empty
the gas tank and
carburetor
if using fuel stabilizer.
ENGINE
OIL
Drain oil (with engine
warm)
and replace
with clean
engine
oil.
(See "ENGINE"
in
the Maintenance
section
of this manual).
CYLINDER(S)
1.
Remove
spark
plug(s).
2.
Pour one ounce
of oil through
spark
plug hole(s)
into cylinder(s).
3.
Turn ignition
key to start position
for a
few seconds
to distribute
oil.
4.
Replace
with new spark
plug(s).
OTHER
Do not store gasoline from one season
to another.
Replace your gasoline can if your can
starts to rust. Rust and/or dirt in your
gasoline will cause problems.
, If possible, store your tractor indoors
and cover it to give protection from dust
and dirt.
, Cover your tractor with a suitable pro-
tective cover that does not retain mois-
ture. Do not use plastic.
Plastic cannot
breathe which allows condensation
to
form and will cause your tractor to rust.
iMPORTANT:
Never cover tractor while
engine
and exhaust areas are still warm.
TROUBLESHOOTING
CHART:
See appropriate
section
in manual
unless
directed
to Sears service
center
PROBLEM
CAUSE
CORRECTION
Will
not start
1
2
3
4
5
6
7
Out of fuel.
Engine not "CHOKED" properly.
Engine flooded.
Bad spark plug.
Dirty air filter.
Dirty fuel filter.
Water in fuel.
8
Loose or damaged wiring.
9
Carburetor out of adjustment.
10
Engine valves out of adjustment.
1
Fill fuel tank.
2
See "TO START ENGINE"
in
Operation
section.
3
Wait several minutes
before
attempting
to start.
4
Replace spark plug.
5
Clean/replace
air filter.
6
Replace fuel filter.
7
Empty fuel tank and carburetor,
refill tank with fresh gasoline
and
replace fuel filter.
8
Check all wiring.
9
See "To Adjust Carburetor"
in
Service and Adjustments
section.
10 Contact
a Sears or other qualified
service
center.
30

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