Manitowoc Grove GMK 4100L-1, Operating Manual

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Crane operation
11.4 Operation of the rated capacity limiter
Operating manual 3 302 690 en 11 - 63
GMK4100L-1
2
3
.1
1.
201
7
11.4.10
RCL override – version A
This section applies only when the supplied lifting capacity table contains the
entry EN 13000 in the header ( 1 ).
In the case of other entries;
à
RCL override – version B
, p. 11 - 67.
If the RCL is overridden, the crane operation is not monitored and the
switched off crane movements are enabled again. Once the RCL is switched
off, there are three options for overriding.
– During rigging , you can override the RCL shutdown or the lifting limit
switch for rigging work;
à
When rigging , p. 11 - 64.
– You can release the raise boom function to leave the shutdown area;
à
To raise the boom
, p. 11 - 65.
– In an emergency you can override the RCL shutdown completely;
à
In emergencies , p. 11 - 66.
Overview
status display
The lamps ( 5 ) to ( 7 ) of the status display ( 4 ) light up or flash depending on
the RCL degree of utilisation and button confirmations.
s
Switch pressed
Degree of utilisation
0-90% about 90-100% greater
than 100%
No switch
(normal operation)
Display ( 5 )
green
Display ( 6 )
Yellow
Display ( 7 )
Red
Button ( 2 )
Overriding for
rigging
Display ( 5 )
green
Display ( 6 )
Yellow
Display ( 6 )
yellow ,
flashing
Button ( 1 )
Raising
Display ( 5 )
green
Display ( 6 )
Yellow
Display ( 5 )
green , flashing
Key-operated
switch ( 3 ) RCL
override in case of
emergency
Display ( 7 ) red ,
flashing
Display ( 7 ) red ,
flashing
Display ( 7 ) red ,
flashing