Purge Transmission; Cold Weather Starting; Automatic Transmission Warm Up - Craftsman 917.272760 Owner's Manual

Lawn tractor 18.0 hp,42" mower electric start automatic transmission
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• The attachmentsand ground drivecan
now be used. If the engine does not
acceptthe load, restartthe engine and
allow it to warm up for one minuteusing
the chokeas describedabove.
COLD WEATHERSTARTING( 50° F and
below)
7. Whenengine starts, allow engine
to run with the throttle control in the
chokeposition untilthe engine runs
roughly,then movethrottle control
to fast position.This may require an
enginewarm-up periodfrom several
secondsto severalminutes,depending
on the temperature.
AUTOMATIC TRANSMISSIONWARM UP
Beforedrivingthe unit in cold weather,
the transmissionshould be warmed up as
follows:
1. Be sure the tractor is on levelground.
2. Placethe motioncontrol lever in
neutral.Releasethe parking brake
and let the clutch/brakeslowly return
to operatingposition.
3. Allow one minutefor transmissionto
warm up.This can be done during
the engine warm up period.
• The attachmentscan also be useddur-
ing the enginewarm-up period after the
transmissionhas been warmed up.
NOTE: If at a high altitude (above3000
feet) or in cold temperatures(below32 F)
the carburetorfuel mixture may need to
be adjustedfor best engine performance.
(See"TO ADJUSTCARBURETOR"in the
Serviceand Adjustmentssectionof 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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