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Husqvarna GTH2548B Owner's Manual page 15

917.279040

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OPERATION
BEFORE
STARTING THE ENGINE
CHECK
ENGmNE OIL LEVEL
The engine in your tractor
has been shipped, from the
factory, already tiffed with summer weight o&
*
Check engine oil with tractor on bvel ground,
*
Unthread and remove oil tiff cap/dipstbk;
wipe oil off,
Reinsert the dipstick into the tube and rest oil tiff cap on
the tube, Do not thread the cap onto the tube, Remove
and read oil bvel,
if necessary, add oil until "FULl"
mark on dipstick is reached, Do not overfifl,
*
For cold weather operation you should change oil for
easier starting (See "OIL VISCOSITY CHART" in the
Maintenance section of this manual),
,
To change engine oil, see the Maintenance section in
this manual,
ADD GASOLINE
*
Fill fuel tank to bottom of filler neck, Do not overfill,
Use fresh, clean, regular unleaded gasoline with a
minimum of 87 octane,
(Use of leaded gasoline will
increase carbon and lead oxide deposits and reduce
valve life), Do not mix oil with gasoline, Purchase fuel
in quantities that can be used within 30 days to assure
fuel freshness,
IMPORTANT:
WHEN OPERATING iN TEMPERATURES
BELOW32°F(0°C), USE FRESH, CLEAN WINTER GRADE
GASOLINE TO HELP iNSURE GOOD COLD WEATHER
STARTING.
CAUTION:
Atcohol
bJended
fuels
(called
gasohoJ or using ethanol or methano0
can at=
tract moisture
which Jeads to separation
and
formation
of acids during storage.
Acidic gas
can damage the fue! system of an engine while
in storage.
To avoid engine problems,
the fuel
system
should
be emptied
before storage
of
30 days or tonger.
Drain the gas tank, start
the engine
and tet it run until the fueJ lines
and carburetor
are empty.
Use fresh fuet next
season. See Storage instructions
for additionaJ
information.
Never use engine or carburetor
cleaner products in the fuet tank or permanent
damage may occur.
TO START ENGINE
(See Fig. 8)
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,
o
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 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 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, if the engine starts to run roughly, puff
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,
NOTE: in extreme cold conditions, if engine will not start, you
may need to disengage the motion drive belt as follows:
*
Be sure parking brake is engaged,
,
Remove retainer spring from the drive belt tension
handle to relieve belt tension,
*
Start engine and allow it to warm up for three (3) min-
utes,
*
Shut-off engine and engage parking brake,
*
Engage drive belt tension handle and replace the
retainer spring,
AUTOMATIC TRANSMiSSiON
WARM UP
o
Before driving the unit in cold weather, the transmission
should be warmed up as follows:
*
Be sure the tractor is on level ground,
,
Place the motion control lever in neutral,
*
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 puffed out
slightly,
NOTE: if at a high altitude (above 3000 feet) or in cold
temperatures (below 32 F) the carburetor fuel mixture may
need to be adjusted for best engine performance, See "TO
ADJUST CARBURETOR" in the Service and Adjustments
section of this manual,
15

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