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Husqvarna 917.289540 Owner's Manual page 12

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OPERATION
CAUTION:
Wipe off any spilled oil or
fuel. Do not store, spill or use gasoline
near an open flame.
IMPORTANT:
WHEN OPERATING IN TEMPERATURES
BELOW32° F(0°C), USE FRESH, CLEAN WINTER GRADE
GASOLINE TO HELP INSURE GOOD COLD WEATHER
STARTING.
CAUTION:
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. To avoid engine problems, the
fuel system should be emptied before storage of 30 days
or longer. Drain the gas tank, start the engine and let it
run until the fuel lines and carburetor
are empty. Use
fresh fuel next season. See Storage
instructions for
additional
information. Never use engine or carburetor
cleaner products in the fuel tank or permanent damage
may occur.
TO START ENGINE
(See Fig. 3)
When starting the engine for the first time or if the engine
has run out of fuel, it will take extra cranking time to move
fuel from the tank to the engine.
Be sure freewheel control is in the transmission engaged
position.
Sit on seat in operating position, depress brake pedal
and set parking brake.
Move attachment clutch to "DISENGAGED"
position.
Move throttle control to fast position
Pull choke control out for a cold engine start attempt.
For a warm engine start attempt the choke control may
not be needed.
NOTE: Before starting, read the warm and cold starting
procedures below.
Insert key into ignition and turn key clockwise
to
"START" position and release key as soon as engine
starts. Do not run starter continuously for more than
fifteen seconds per minute. If the engine does not start
after several attempts, push choke control in, wait a
few minutes and try again. If engine still does not start,
pull the choke control out and retry.
WARM WEATHER STARTING (50°F/10°C and above)
When engine starts, slowly push choke control in until
the engine begins to run smoothly. If the engine starts
to run roughly, pull the choke control out slightly for a
few seconds and then continue to push the control in
slowly.
The attachments and ground drive can now be used. If
the engine does not accept the load, restart the engine
and allow it to warm up for one minute using the choke
as described above.
COLD WEATHER STARTING (50°F/10°C and below)
When engine starts, slowly push choke control in until
the engine begins to run smoothly. Continue to push
the choke control in small steps allowing the engine to
accept small changes in speed and load, until the choke
control is fully in. Ifthe engine starts to run roughly, pull
the choke control out slightly for a few seconds and
then continue to push the control in slowly. This may
require an engine warm-up period from several seconds
to several minutes, depending on the temperature.
AUTOMATIC TRANSMISSION
WARM UP
Before driving the unit in cold weather, the transmission
should be warmed up as follows:
Be sure the tractor is on level ground.
Release the parking brake and let the brake slowly
return to operating position.
Allow one minute for transmission to warm up. This
can be done during the engine warm up period.
The attachments can be used during the engine warm-
up period after the transmission
has been warmed
up and may require the choke control be pulled out
slightly.
NOTE: If at a high altitude (above 3000 feet) or in cold
temperatures (below 32 ° F/0°C) the carburetor fuel mixture
may need to be adjusted for best engine performance. See
"TO ADJUST CARBURETOR"
in the Service and Adjust-
ments section of this manual.
12

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