Operation Tips, Allison
WARNING
Never shift from neutral (N) to drive (D) or re-
verse (R) at engine speeds above idle. The ve-
hicle will lurch forward or backward, which could
cause property damage and personal injury.
NOTICE
The engine should never be operated for more
than 30 seconds at full throttle with the transmis-
sion in gear and the output stalled. Prolonged
operation of this type will overheat the transmis-
sion fluid and will result in severe damage to the
transmission.
NOTICE
Do not allow the vehicle to coast in neutral. This
can result in severe transmission damage. Also,
no engine braking is available.
The following tips highlight imortant operation prin-
ciples.
•
Start the engine, then check the digital display
on the "push button shift selector." Under "Se-
lect" at the top of the unit, the display should
always show the "primary" shift mode. Under
"Monitor," the gear the transmission is in
should be displayed.
•
Use reverse (R) to back the vehicle. Com-
pletely stop the vehicle before shifting from a
forward gear to reverse, or from reverse to for-
ward. There is only one reverse gear.
•
Select drive (D) for all normal driving condi-
tions. The vehicle will start out in 1st gear, and
as speed increases, the transmission will up-
shift through each gear automatically. As the
vehicle slows down, the transmission will
downshift to the correct gear automatically.
•
The pressure of your foot on the accelerator
pedal influences the automatic shifting. When
the pedal is fully depressed, the transmission
will automatically upshift near the governed
speed of the engine. A partially depressed po-
sition of the pedal will cause the upshifts to
occur at a lower engine speed.
•
Occasionally the road, load, or traffic conditions
make it desirable to restrict the automatic shift-
ing to a lower range. The lower the gear range,
the greater the engine braking power.
•
Use the up or down arrow buttons on the shift
selector to reach the desired gear. The "Select"
indicator will display your choice, and the
"Monitor" indicator will show the selected gear
once it is reached. In the lower gear ranges,
the transmission will not upshift above the
highest gear selected unless the engine gov-
erned speed is exceeded.
•
Use neutral (N) and apply the parking brake
when the vehicle is parked with the engine run-
ning.
Automated and Automatic Transmissions
14.14
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