Troubleshooting; Engine Oil - Craftsman 917.370931 Owner's Manual

725 series briggs & stratton engine power-propelled, electric start 22" multi-cut rotary lawn mower
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• Emptythe 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 formationof
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 enginewarm) and replace
with clean engine oil. (See "ENGINE"in
the Maintenance section of this manual).
CYLINDER
1. Remove spark plug.
2. Pour one ounce (29 ml) of oil through
spark plug hole into cylinder.
3. Pullstarter handle slowly a few times
to distribute oil.
4. Replacewith new spark plug.
BATTERY
Disconnectthe battery from the
engine
connector
and charge battery 48 hours.
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 unit indoors and
cover it to protect it from dust and dirt.
• Cover your unit with a suitable protec-
tive cover that does not retain moisture.
Do not use plastic.
Plastic cannot
breathe, which allows condensation
to
form and will cause your unit to rust.
IMPORTANT:
Never cover mower while
engine and exhaust areas are still warm.
&CAUTION:
Never store the lawn
mower with gasoline in the tank inside a
building where fumes may reach an open
flame or spark. Allow the engine to cool
before storing in any enclosure.
TROUBLESHOOTING
= See appropriate
section
in manual
unless directed
to a Sears
Parts
& Repair
Center.
PROBLEM
CAUSE
Does not start
1. Dirty air filter.
2. Out of fuel.
3. Stale fuel.
4. Water in fuel.
5. Spark plug wire disconnected.
6. Bad spark plug.
7. Loose blade or broken
blade adapter.
8. Control bar in released
position.
9.
Control bar defective.
10.
Fuel valve lever (if so
equipped)
in OFF position.
11. Weak battery (if equipped).
12.
Disconnected
battery
connector
(if equipped).
19
CORRECTION
1. Clean/replace
air filter.
2.
Fill fuel tank.
3. Empty fuel tank and refill tank
with fresh, clean gasoline.
4.
Empty fuel tank and refill tank
with fresh, clean gasoline.
5. Connect wire to plug.
6. Replace spark plug.
7. Tighten blade bolt or
replace blade adapter.
8. Depress control bar to
handle.
9. Replace control bar.
10. Turn fuel valve lever
to the ON position.
11. Charge battery.
12. Connect battery to engine.

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