Paccar DAF CF, Driver Manual

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10
Automated gearbox
CAUTION: The vehicle speed may increase when travelling downhill.
In fully automatic mode, the automated gearbox selects a higher gear
to protect the engine against excessive engine speed. If the gearbox is
in manual mode, the engine speed can exceed the maximum permitted
engine speed. This can lead to serious damage to the engine.
– If the gearbox is in manual mode, select a higher gear manually to
prevent the engine from exceeding the maximum engine speed (red
area of the rev counter)
10.4 MANUAL GEAR CONTROL
NOTE: Manual shifting on a
TraXon gearbox is only
possible with the Eco Mode
function switched off.
Manual gear control is possible using
steering column switch:
– shift up.
Shift up one gear: move steering
column switch 1 x to
+ .
Shift up two gears: move steering
column switch 2 x to
+ .
– shift down.
Shift down one gear: move steering
column switch 1 x to
- .
Shift down two gears: move
steering column switch 2 x to
- .
NOTE: On the 'Lite' shifting strategy (see section 'Introduction'), manual
shifting is only possible when the vehicle speed is below 30 km/h or when
the engine brake is active (at any vehicle speed).
If the Eco Mode function is switched off, the automated gearbox shifting
program automatically returns to automatic shifting as soon as the vehicle
speed goes above 30 km/h.
WARNING! If the vehicle rolls and no gear is engaged (selector switch
in N), the drive line is interrupted and engine braking is not possible.
This may lead to dangerous situations resulting in serious injury or
damage to the vehicle.
– If prolonged braking is necessary select a gear (selector switch in
D) and engage the engine brake or use the retarder if present on the
vehicle.
NOTE: When the steering column switch has been operated, the gearbox
is in the manual control mode. Indication in the master display:
M (Manual)
or A (Automatic). If the gearbox is in the automatic control mode, it is
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DW63246305.book Page 292 Friday, March 22, 2019 4:54 PM