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Troubleshooting - Husqvarna 22" Multi-Cut Owner's Manual

Rotary lawn mower 725 series briggs & stratton engine, all wheel drive, self-propelled
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ENGINE
FUEL SYSTEM
IMPORTANT:
It is important to prevent
gum deposits from forming in essential fuel
system parts such as carburetor, fuel filter,
fuel hose, or tank during storage. 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
damage 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
1. Remove spark plug.
2. Pour one ounce (29 ml) of oil through
spark plug hole into cylinder.
3. Pull starter handle slowly a few times
to distribute oil.
4. Replace with new spark plug.
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 Husqvarna
or other
qualified
Parts & Re _air Center.
PROBLEM
CAUSE
CORRECTION
Does not start
1. Dirty air filter.
1. Clean/replace
air filter.
2. Out of fuel.
2. Fill fuel tank.
3. Stale fuel.
3. Empty fuel tank and refill tank
with fresh, clean gasoline.
4. Water in fuel.
4. Empty fuel tank and refill tank
with fresh, clean gasoline.
5.
5. Connect wire to plug.
6.
6. Replace spark plug.
7.
7. Tighten blade bolt or
replace blade adapter.
8.
8. Depress control bar to
handle.
9.
9. Replace control bar.
10. Fuel valve lever (if so
10. Turn fuel valve lever
equipped)
in OFF position,
to the ON position.
11. Weak battery (if equipped).
11. Charge battery.
12. Disconnected
battery
12. Connect battery to engine.
connector
(if equipped).
13. Blown fuse (if equipped).
13. Replace fuse.
Spark plug wire is
disconnected.
Bad spark plug.
Loose blade or broken
blade adapter.
Control bar in released
position.
Control bar defective.
23

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