Manitowoc Grove GMK 4100L-1, Operating Manual

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Crane operation
11.7 Working range limiter
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GMK4100L-1
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11.7.3
Entering limit values
This section describes how to enter unknown limit values by moving to the
shutdown points.
You can enter known limit values directly;
à
Entering limit values manually
,
p. 11 - 144.
When entering the values:
The monitoring must be switched off – symbol ( 1 ) is red ;
à
p. 11 - 146.
Overall height
•
Move the main boom head to just before the
shutdown point without a load, for example,
up to 17.5 m – value (
1 ).
•
Press the button ( 3 ) or ( 4 ) once.
– The current value ( 1 ) will be accepted as
the limit value ( 2 ).
Switch monitoring on;
à
p. 11 - 146
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.