Manitowoc GROVE GMK3060

Operating elements for crane operation
9.2 Brief description of the operating elements
Operating manual 3 302 819 en 9 - 107
GMK3060
13.12.2018
Lifting cylinder position display
The current position of the counterweight lifting
cylinders is shown by different symbols:
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Extending/Retracting the lifting cylinders
Pre-tensioning pressure display
Slewing release display
1 Green – extended
2 Green – retracted
3 Yellow – intermediate position
4 Red – error (with symbol)
1 Retract: Select symbol and confirm – after reaching the end
position, the counterweight is pre-tensioned
2 Extend: Select symbol and confirm
Movement stops after the button is released and when an end position is
reached;
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1 – Green: Pre-tensioning pressure reached
2 – Red: Pre-tensioning pressure too low – pre-tension counterweight
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1 Green: Slewing enabled (if no other shutdown has occurred).
2Red: Slewing disabled by counterweight – the corresponding warning
is displayed.
The pre-tensioning pressure is too low.
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