Crane operation
11.7 Working range limiter
Operating manual 3 302 690 en 11 - 135
GMK4100L-1
23.11.2017
11.7 Working range limiter
You can set and monitor three different limits in the working range limiter
menus:
– a maximum overall height,
– a maximum working radius,
– a maximum slewing angle,
– a limited rope travel.
The monitoring of the programmed limits can be switched on and off
separately.
G
Risk of accidents due to situations which cannot be monitored
The working range limiter only serves as an additional safety device. Brake
the crane movement before contact with the obstacle becomes imminent.
Do not deliberately move into the shutdown range. You, the crane opera-
tor, are still responsible for monitoring the working range, so that you can
react appropriately if situations arise which cannot be monitored electron-
ically.
G
Risk of accidents due to limits set too low
When entering the limits, bear in mind that, even after switching off the
engine, movements can still occur that would bring the load into the shut-
down range, for example, due to the load swinging or the boom bending.
For this reason, always enter the limit values with sufficient safety margin
from the object.
G
Risk of accidents due to insufficient safe distances!
Always observe all safety distances in accordance with the national legal
regulations (for example, concerning overhead power lines) even if the
working range limiter is switched on.
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