Downshifting
NOTE: With the transmission in drive (D) in the
automatic mode, downshifts require no driver
interaction.
1.
With the transmission in drive in the manual
mode, request a downshift by pushing downward
on the control. If the requested gear is available,
the transmission will downshift.
NOTE: A single, momentary push downward on
the control selects the next lower gear when it is
available. Two consecutive, momentary down-
ward pushes will cause a skip shift, when the
next two lower gears are available and condi-
tions are right.
2.
To skip shift, move the control two times in less
than 1/2 second. The number of the gear en-
gaged will appear on the message display
screen.
NOTE: The Eaton Fuller AutoShift 18-speed
transmission is able to perform triple downshifts
when the next three lower gears are available
and conditions are right. To triple shift this trans-
mission, move the control three times in less
than 1/2 second.
If a requested gear is not available, an audible
warning will sound and the gear display module
will indicate that the requested gear is not avail-
able. Unlike upshifting, an unavailable requested
downshift is stored in memory and the shift will
be made when the gear is available. The time
limit for this memory is a programmable param-
eter.
Start-Up
1.
With the parking brake applied, press the clutch
all the way down to the floor.
2.
Start the engine.
3.
Check to make sure the transmission is in neu-
tral.
4.
With the transmission in neutral, release the
clutch.
NOTE: This allows the speed sensor on the
input shaft to get a reading.
5.
Press down on the clutch again and release the
parking brake.
6.
Select the desired starting gear.
7.
Release the clutch.
Reverse
1.
To engage reverse (R), slide the selector switch
upward to the next position above the neutral
position and disengage the clutch.
NOTE: AutoShift 10- and 18-speed transmis-
sions have a dual-range reverse. Reverse low
(RL) is the default reverse gear.
2.
Select reverse high (RH) by pulling upward on
the control.
NOTE: Reverse may be engaged below a pro-
grammable forward speed in order to rock the
vehicle. If reverse is selected above the pro-
grammed forward speed, an audible warning will
sound and a message indicating that the gear is
not available will appear on the message dis-
play screen.
Low Gear Operation
Use low (L) when descending steep hills and using
compression braking. Engine speed will be increased
by 200 rpm and shift points will be offset by 200 rpm.
The efficiency of the exhaust brake will be maxi-
mized.
Using the Clutch
Use the clutch to start and stop the vehicle.
ZF-FreedomLine Automated
Transmissions
Refer to the Meritor website for additional informa-
tion, www.arvinmeritor.com.
General Information, FreedomLine
FreedomLine is a fully-automated manual transmis-
sion that features only an accelerator and brake
pedal in the cab. Clutch actuation is fully automated.
On Freightliner vehicles, it will be operated by a cus-
tom version of the SmartShift controller. On Columbia
vehicles, dash messages will appear on the round
Meritor message center display.
Transmissions
8.4
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