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Husqvarna YTH2748 Owner's Manual page 15

Husqvarna lawn tractor owner's manual
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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, 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 sec onds
to several minutes, depending on the temperature.
AUTOMATIC TRANSMISSION WARM UP
Before driving the unit in cold weather, the trans mis sion
should be warmed up as follows:
Be sure the tractor is on level ground.
Place the motion control lever in neu tral.
Re lease the parking brake and let the clutch/brake
slowly return to operating po si tion.
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 con trol be pulled out
slight ly.
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 Ad just ments
section of this manual.
PURGE TRANSMISSION
CAUTION: Never engage or disengage
freewheel lever while the engine is run-
ning.
To ensure proper operation and performance, it is rec om -
mend ed that the transmission be purged before operating
tractor for the fi rst time. This procedure will remove any
trapped air inside the transmission which may have de-
vel oped during shipping of your tractor.
IMPORTANT:
SHOULD YOUR TRANSMISSION RE QUIRE
REMOVAL FOR SERVICE OR REPLACEMENT, IT SHOULD
BE PURGED AFTER REINSTALLATION BEFORE OPERATING
THE TRACTOR.
Place tractor safely on level surface with engine off
and parking brake set.
Disengage transmission by placing freewheel control
in freewheeling position (See "TO TRANSPORT" in
this section of manual).
Sitting in the tractor seat, start engine. After the engine
is running, move throttle control to slow position. With
motion control lever in neutral (N) po si tion, slowly dis-
engage clutch/brake pedal.
OPERATION
Move motion control lever to full forward position and hold
for fi ve (5) seconds. Move lever to full reverse position
and hold for fi ve (5) seconds. Repeat this procedure
three (3) times.
NOTE: During this procedure there will be no movement
of drive wheels. The air is being removed from hydraulic
drive system.
Move motion control lever to neutral (N) position. Shut-
off engine and set parking brake.
Engage transmission by placing freewheel control in
engaged position (See "TO TRANSPORT" in this sec-
tion of manual).
Sitting in the tractor seat, start engine. After the engine
is running, move throttle control to half (1/2) speed.
With motion control lever in neutral (N) position, slowly
disengage clutch/brake pedal.
Slowly move motion control lever forward, after the tractor
moves approximately fi ve (5) feet, slowly move motion
control lever to reverse position. After the tractor moves
approximately fi ve (5) feet return the motion control lever
to the neutral (N) position. Repeat this procedure with
the motion control lever three (3) times.
Your transmission is now purged and now ready for
normal op er a tion.
MOWING TIPS
Mower should be properly leveled for best mowing per-
formance. See "TO LEVEL MOWER HOUSING" in the
Service and Adjustments section of this manual.
The left hand side of mower should be used for trim-
ming.
Drive so that clippings are discharged onto the area
that has been cut. Have the cut area to the right of the
machine. This will result in a more even dis tri bu tion of
clippings and more uniform cutting.
When mowing large areas, start by turning to the right so
that clippings will discharge away from shrubs, fences,
driveways, etc. After one or two rounds, mow in the
opposite direction making left hand turns until fi nished
(See Fig. 12).
If grass is extremely tall, it should be mowed twice to
reduce load and possible fi re hazard from dried clip-
pings. Make fi rst cut relatively high; the second to the
desired height.
Do not mow grass when it is wet. Wet grass will plug
mower and leave undesirable clumps. Allow grass to
dry before mowing.
Always operate engine at full throttle when mow-
ing to assure better mowing performance and proper
dis charge of material. Regulate ground speed by
se lect ing a low enough gear to give the mower cut ting
per for mance as well as the quality of cut desired.
When operating attachments, select a ground speed
that will suit the terrain and give best performance of
the at tach ment being used.
15
FIG. 12

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