Craftsman 917.27538 Owner's Manual page 16

17.5 hp, 42" mower electric start automatic transmission
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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,
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
control
to the fast position.
• 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.
• 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
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
in an area that is
flat for approximately
80 feet in front of
the tractor
and set the parking
brake.
2.
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.
3.
Slowly
move motion
control
lever to
full forward
position
and hold for five
(5) seconds,
or approximately
40 feet.
Slowly
move lever to full reverse
posi-
tion and hold for five (5) seconds,
or
approximately
20 feet. After the tractor
moves
approximately
20 feet in reverse
return the motion
control
lever to the
neutral
(N) position.
Repeat
this proce-
dure three (3) times.
Your transmission
is now purged
and now
ready
for normal
operation.
16

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