Warm Weather - Craftsman 917.28608 Operator's Manual

Lawn tractor 20.0 hp 42" mower electric start automatic transmission
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.
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, move throttle control to fast
position, wait a few minutes and try
again. If engine still does not start,
move the throttle control back to the
choke position and retry.
WARM WEATHER
STARTING (50 ° F and
above)
7. When engine starts, move the throttle
contro! to the fast position.
o 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,
allow engine
to run with the throttle
control
in the
choke
position
until the engine
runs
roughly,
then
move throttle
control
to fast position.
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
is 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.
o The attachments
can also be used dur-
ing the engine
warm-up
period
after the
transmission
has been warmed
up.
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.)
PURGE
TRANSMISSION
_CAUTION:
Never engage or dis-
engage freewheel
lever while the engine
is running.
To ensure proper operation and per-
formance,
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
during
shipping of your tractor.
IMPORTANT:
Should your transmission
require removal for service or replace-
ment, it should be purged after reinstall-
ation 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 disengaged
posi-
tion (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 step 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. Shutoff engine and set
parking brake.
6. Engage transmission
by placing free-
wheel control in engaged 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 for-
ward, after the tractor moves approxi-
mately 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 transmission
is now purged and now
ready for normal operation.
16

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