Driving
5.2 Operating the transmission
Operating manual 3 302 709 en 5 - 27
GMK5150L
12.01.2018
5.2.3 Selecting the direction of travel and starting gear
Selecting the
driving direction
Before driving at temperatures below -20 °C (-4 °F); à p. 5 - 34.
The following requirements must be met before selecting the driving
direction:
– The truck crane is stationary;
– The parking brake is applied;
– The accelerator is not operated.
• Start the engine; à p. 4 - 13.
If the supply pressure is insufficient for shifting the transmission, the dis-
play will show the symbol (1). A corresponding message is also displayed.
If necessary, wait until the supply pressure has built up, and the message
disappears;
à Building up supply pressure, p. 5 - 10.
• Release the accelerator.
• In order to
– drive forwards, shift to position D.
– drive backwards, shift to position R. An acoustic signal is given with
additional equipment.
The operating mode
Automatic is now selected. An appropriate starting gear
is selected and displayed:
– for forward travel, e.g. 3rd gear,
– for reverse travel, e.g. 2nd gear.
The clutch is not engaged (only when you press the accelerator).
s
G
Risk of accidents from uncontrolled starting
When you press the accelerator, the clutch is engaged immediately after
the start-up gear is (automatically) selected, and the truck crane will start to
move.
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