Commissioning and operation
44
Gearbox control
With emergency operation active, the gearbox is controlled using 3 key functions in the
positions Neutral, Forwards or Reverse:
Key Shift gearbox to neutral position
Key Shift gearbox to forwards position
Key Shift gearbox to reverse position
N
Gearbox shifting only takes place when the engine speed is in the idle range.
It is advisable always to switch the gearbox into neutral first prior to reversing.
However, if reverse is requested directly after forwards (or vice versa) and the engine is
at a higher speed, the engine is automatically returned to idling speed prior to each ac-
tive gear shift.
As long as the desired state has not yet been reached, the key that has been pressed
flashes.
It goes out as soon as another control command is issued or it signals with continuous
light that the gear shift has taken place (display of the actual state).
Engine speed control
If the gearbox is in forwards or reverse position, two key functions can be used to in-
crease or decrease the current engine speed:
–
Key Increase engine speed
Key Decrease engine speed
+
As long as the + or – keys are pressed (“Tastensysmbol einfügen”), there is a continuous
change in the engine speed.
The rate of increase and / or rate of change is 50 revolutions per second.
With a single brief press of the key, the engine speed changes by 10 engine revolutions.
The engine speed is restricted downwards to the idling speed and upwards to the maxi-
mum permitted engine speed.
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