Driving
5.2 Operating the transmission
Operating Instructions GMK5250L 3 302 633 en 5 - 27
27.09.2017
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 must be engaged,
– The accelerator is not operated.
• Start the engine; à p. 4 - 14.
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
–For forward travel in position D.
–for reverse travel in position R. An acoustic signal sounds if additional
equipment is present.
The
Automatic operating mode 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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