42
Driving
Start
The engine can only be started with the gear selector in
position N
Cold engine should idle for 1–2 minutes so as to avoid dam-
age to the gearbox.
Pulling away
With the bus at a standstill and the engine idling, a suitable
gear can be selected. To eliminate the mistake of a gear
being selected from the N-position without sitting in the
drivers seat, the gear can not be selected until the brake
pedal is depressed. If the brake pedal is not depressed
within 2 seconds of the selector button be pressed in, you
must return to the N-position.
Release the handbrake and drive off.
Driving forwards
In normal traffic conditions use the D position.
If automatic shifting in heavy traffic or in climbing ”fluctuates”
– i.e. shifts up and down often – the nearest lower gear
should be chosen using the gear selector. While driving,
each forward gear selection can be pre-selected.
If gear position 2 or 1 is used at higher speeds than the cor-
responding driving position, changing down will first occur
when the maximum engine speed is not exceeded.
Gear selector.
When changing from forward gears to reverse the neutral
position N has to be engaged first. The illustrated button
arrangement is standard design. Other designs have another
number of buttons.
Warning function on ZF automatic gearboxes
When shift duration (slip duration) is too long, this will be
indicated by the engaged gear selector button flashing. (En-
gaged button is normally on constantly.)
Contact your garage immediately when the gear selector
button flashes!
Continues driving could cause aggravated damage to the
gearbox.
If the bus is unable to be driven after the handbrake has
been released, check to see if the blocking valve is de-
pressed.
Automatic gearbox
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