Driving
5.3 Driving the truck crane and switching it off
Operating Manual GMK6300L 3 112 xxx en 5 - 45
xx.xx.xxxx
When driving downhill, you can also slow down the truck crane as follows,
in addition to using the service brake:
– By shifting down from the highest gear;
à p. 5 - 45,
– with the additional brake;
à p. 5 - 46,
– with the transmission retarder;
à p. 5 - 47.
Shifting down
from the highest
gear
If you shift down from the highest gear, the braking force of the engine is
increased.
• Shift down from the highest gear, e.g. to 4th gear.
• Brake the truck crane.
When a permissible speed has been reached, the transmission will shift
down.
You can also increase the braking force of the engine by switching to
the P (1) driving mode.
H
If the maximum permissible speed is also reached in a lower gear, the
transmission will automatically engage the highest gear and shift up.
s
S
Risk of damage from resonance vibrations!
Always maintain a speed below 85 km/h (53 mph). Stop the truck crane
promptly.