Purge Transmission; Warm Weather Starting; Automatic Transmission Warm Up - Craftsman 917.28738 Operator's Manual

22.0 hp 42" mower electric start automatic transmission
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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 en-
gine 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.
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 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).
RGE
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 a level surface
- that is clear of objects
and open - 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.
AUTION:
At any time, during
step
4, there
may be movement
of the drive
wheels.
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.
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.
15

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