Paccar 12-Speed, Руководство оператора

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automatically launch and creep at
constant engine idle.
• Upshifts and downshifts can be
made while at constant engine
idle by utilizing the up/downshift
request procedure. The
transmission may deny a shift
and sound a tone if the load of
the vehicle or grade of the
terrain falls outside the
acceptable range to perform a
shift.
Power Down
1. Select N Neutral on the
Transmission Driver Interface
Device.
• If gear display does not show
solid
N , neutral has not yet
been obtained.
NOTE
Neutral should always be reached be-
fore initiating power down, except in
cases of emergency.
2. Set the vehicle parking brakes.
WARNING
Apply parking brake and follow vehicle
manufacturer parking instructions.
Failure to follow these instructions
could cause unintended vehicle move-
ment resulting in death, serious injury
or damage to property.
3. Turn ignition key to OFF and allow
the engine to shut down.
Transmission Power Take
Off (PTO)
The transmission may have a PTO
installed. Engaging the PTO differs if it is
operating in either a mobile or a stationary
application.
Stationary PTO Operation
The transmission countershaft PTO is used
in this application. To engage the PTO for
stationary operation, perform the following
steps:
1. Bring the vehicle to a complete
stop and apply the parking brake.
WARNING
Apply parking brake and follow vehicle
manufacturer parking instructions. Fail-
ure to follow these instructions could
cause unintended vehicle movement re-
sulting in death, serious injury or dam-
age to property.
2. Select “N” on the Transmission
Driver Interface Device.
3. Select the transmission PTO
switch.
4. Raise engine speed as required to
operate PTO.
NOTE
Use the transmission PTO switch to dis-
engage the PTO.
Mobile PTO Operation
The transmission countershaft PTO is used
in this application and provides limited
mobile operation in the start gears. To
engage the PTO for mobile operation,
perform the following steps:
DRIVING - Transmission Power Take Off (PTO)
20 Y53-1272-1B1 (08/17)
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