Engine Fuel System; Engine Oil - Husqvarna 55R21HV Owner's Manual

STORAGE
HANDLE (See Figs. 23 and 24)
You can fold your lawn mower handle for storage.
1. Loosen the two (2) handle knobs on sides of the upper
handle and allow handle to fold down to the rear.
2. Remove the two (2) handle knobs and carriage bolts
on sides of the lower handle and pivot entire handle
assembly forward and allow it to rest on mower.
3. Reinstall knobs and carriage bolts to lower handle or
handle brackets for safe keeping.
• When setting up your handle from the storage posi-
tion, you must manually lock the lower handle into the
mowing position.
IMPORTANT: WHEN FOLDING THE HANDLE FOR STORAGE
OR TRANSPORTATION,BE SURE TO FOLD THE HANDLE AS
SHOWN OR YOU MAY DAMAGE THE CONTROL CABLES.
OPERATOR PRESENCE
CONTROL BAR
UPPER
LOWER
HANDLE
MOWING
POSITION
FIG. 23
KNOB
_BOLT
HANDLE
BRACKET
ENGINE
FUEL SYSTEM
IMPORTANT: IT IS IMPORTANTTO PREVENTGUM DEPOSITS
FROM FORMING IN ESSENTIAL FUEL SYSTEM PARTS SUCH
AS CARBURETOR, FUEL FILTER, FUEL HOSE, OR TANK
DURING STORAGE. ALSO, ALCOHOL BLENDED FUELS
cCALLED GASOHOL OR USING ETHANOL OR METHANOL)
AN ATTRACT MOISTURE WHICH LEADS TO SEPARATION
AND FORMATION OFACIDS DURING STORAGE. ACIDIC GAS
CAN DAMAGE THE FUEL SYSTEM OF AN ENGINE WHILE IN
STORAGE.
• Empty the fuel tank by starting the engine 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 mini-
mizing the formation of fuel gum deposits during storage.
Add stabilizer to gasoline in fuel tank or storage 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 carburetor. Do not empty
the gas tank and carburetor if using fuel stabilizer.
ENGINE OIL
Drain oil (with engine warm) and replace with clean en-
gine 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 give
protection from dust and dirt.
• Cover your unit with a suitable protective 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.
A
CAUTION: Never store the lawn mower
with gasoline in the tank inside a build-
ing where fumes may reach an open
flame or spark. Allow the engine to cool
before storing in any enclosure.
FIG. 24
16