Purge Transmission; Automatic Transmission Warm Up - Craftsman 917.275021 Owner's Manual

23.0 hp electric start 48" mower automatic garden tractor
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- NOTE: Before starling, read the warm and
cold sta_ng procedures below.
6. 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)
7. 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)
7. 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 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:
1. Be sure parking brake is engaged.
2. Remove retainer spring from the drive
belt tension handle to relieve belt
tension.
3. Start engine and allow it to warm up
for three (3) minutes.
4. Shut-off engine and engage parking
brake.
5. Engage drive belt tension handle and
replace the retainer spring.
AUTOMATIC TRANSMISSION WARM UP
Before driving the unit in cold weather,
the transmission should be warmed up as
follows:
1. Be sure the tractor is on level ground.
2. Place the motion control lever in
neutral. Release the parking brake
and let the 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 adjusted for best engine performance.
See "TO ADJUST
CARBURETOR"
in the
Service and Adjustments section of this
manual.
PURGETRANSMISSION
,_CAUTION:
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 will
remove any trapped air inside the trans-
mission which may have developed dudng
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.
Disengage
parking brake.
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"
Dudng this procedure there will be
no movement of drive wheels. The air is
being removed from hydraulic ddve
system.
18

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