85
During operation
Operator's Manual GB
6.2
6.2
OLP (Overload protection)
OLP is a safety function that prevents overload-
ing of the crane. With 90% of maximum permit-
ted pressure the amber lamp on the lamp pole, if
present, flashes.
OLP boom system
When 100% of the maximum permitted pressure
is reached, OLP cuts in and stops all functions
that increase the pressure. On the lamp pole, if
present, the red lamp and amber lamp will light
continuously.
The pressure level in the first and second boom is
indicated by the LEDs on the user interface:
• 50% of maximum pressure – 1 of 4 LEDs
light green
• 70% of maximum pressure – 2 of 4 LEDs
light green
• 90% of maximum pressure – 3 of 4 LEDs
flash red
• 100% of maximum pressure – 4 of 4 LEDs
flash red
! NOTE
Do not operate heavy loads with the extensions
fully retracted. In an OLP situation it is an
advantage to be able to retract the extensions.
OLP manual control
If one prohibited function is used, all functions
will stop. The crane will be fully operational as
long as only allowed functions are used.