freightliner Columbia Driver Manual page 119

A
02/17/98
A. Press the bottom portion (engage the first position)
of the shift-intent switch to begin a downshift.
B. Press the bottom portion again (engage the second
position) to break torque.
Fig. 8.20, ESS Downshifting Using the Shift-Intent
2. Push the clutch pedal to the bottom of its travel
to engage the clutch brake.
3.
Start the engine.
4. Slowly release the clutch pedal.
5. Allow the system air to build up to the range
specified on the gauge.
6. Release the parking brake.
Shifting Into a Starting Gear
CAUTION
Always use the proper starting gear. Do not shift
into neutral and coast, as this will result in dam-
age to the transmission.
1.
Press the system switch down, into the ON posi-
tion, to activate the ESS system.
2. Press the top portion of the shift-intent switch.
IMPORTANT: Use the clutch brake only when
initially engaging a gear with the vehicle stand-
ing still.
3. Push the clutch pedal to the bottom of its travel
so that the clutch brake stops the transmission
input shaft from rotating.
4.
Move the shift lever and engage a starting gear.
5. Slowly release the clutch pedal.
NOTE: If you do not shift the transmission out of
neutral into a gear within two seconds, the ESS
system will "time out" and deactivate. The trans-
B
f270060
Switch
mission returns to manual operation. To reacti-
vate the ESS system, press the shift-intent
switch again. See the following procedures for
upshifting and downshifting for instructions on
how to use the shift-intent switch.
Upshifting
1. To upshift into the next higher gear:
1.1 Press the top portion of the shift-intent
switch.
1.2 Apply pressure with the shift lever toward
the neutral position.
1.3
Press the top portion of the shift-intent
switch again, far enough so that the
switch goes into a second position inside
the body of the shift handle. Then release
the switch. See
torque.
1.4 Immediately move the shift lever to the
neutral position.
1.5
Allow engine rpm to slow down enough to
synchronize with road speed.
1.6 Move the shift lever to the next higher
gear.
2. To upshift through the rest of the gears, repeat
the substeps above. Before each upshift, push
the top of the shift-intent switch into the shift
handle body to break torque. The range shift is
automatic.
3. To skip a gear, press the shift-intent switch into
the shift handle body, while in Neutral, one time
for every gear that is skipped.
Downshifting
1. To downshift into the next lower gear.
1.1 Press the bottom portion of the shift-intent
switch.
1.2 Apply pressure with the shift lever toward
the neutral position.
1.3
Press the bottom portion of the shift-intent
switch again, far enough so that the
switch goes into a second position inside
the body of the shift knob. Then release
the switch. See
torque.
Transmissions
Fig. 8.19. This will break
Fig. 8.20. This will break
8.22