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Craftsman 917.271841 Owner's Manual page 17

21.0 hp electric start 42" mower automatic lawn tractor

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• The attachments
and ground drive c an
now beused.
|t 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)
8. 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
contral 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:
1. Be sure the tractor la on level ground.
2. Place the motion control lever in
neutral. Release the parking brake
and let the clutch/brake
slowly return
to operating position.
3. 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)
the carburetor fuel mixture may need to
be ad usted for best engine performance.
See "3"0 ADJUST CARBURETOR"
n the
Service and Adjustments
section of this
manual.
PURGETRANSMISSION
_CAUTtON:
Never engage or disen-
gage freewheel lever while the engine is
running.
To ensure proper operation and perfor-
mance, it is recommended that the
transmission be purged before operating
tractor for the first time.
This procedure wilt remove any trapped air
inside the transmission which may have
developed during shipping of your tractor.
IMPORTANT= Should your transmission
require removal for service or replacement,
it should be purged after reinstallation
before operating the tractor.
1. Place tractor safely on level surface
with engine off and parking brake set.
2. Disengage transmission
by placing
freewheel control in freewheeling
position (See "TO TRANSPORT"
in
this section of manual).
3. 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)
position, slowly disengage clutch/
brake pedal.
4. Move motion control lever to full
forward position and hold for five (5)
seconds. Move lever to full reverse
position and hold for five (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.
5. Move motion control lever to neutral
(N) position. Shut- off engine and set
parking brake.
6. Engage transmission
by placing
freewheel control in driving position
(See "TO TRANSPORT"
in this section
of manual).
7. 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.
8. Slowly move motion control lever
forward, after the tractor moves
approximately five (5) feet, slowly
move motion control lever to reverse
position. After the tractor moves
approximately
five (5) feet return the
motion control lever to the neutral (N)
position. Repeat this procedure with
the motion control lever three (3)
times.
Your tractor is now purged and now ready
for normal operation.
17

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