Commissioning 
4.3.4  Zero point adjustment of inclination sensor (X/Y) on 
superstructure  
Crane fully outriggered. 
Preconditions: 
 
Calling up function from adjustment menu.  
 
 
1) 
  Rotate main boom to travel direction and set down. 
  Confirm with   key when completed. 
2) 
  Align crane precisely with spirit level in X and Y 
direction. 
  The bubble might not be in the centre because the 
sensor has not yet been adjusted. 
  Confirm with 
 key when completed. 
  Zero point is re-adjusted. 
3) 
The signal prefix is checked in the X direction. To do this: 
  Tilt the crane by at least 3° by raising the front 
supports and/or lowering the rear supports. 
  Confirm with 
 key when completed. 
4) 
The signal prefix is checked in the Y direction. To do this: 
  Tilt the crane by at least 3° by raising the left-hand 
supports and/or lowering the right-hand supports. 
  Confirm with 
 key when completed. 
  The signal prefix is automatically corrected. 
 
5) 
  Align the crane once more precisely with a spirit level 
in the X and Y direction. The bubble should now be 
central. 
  Confirm next with   key. 
  Adjustment menu appears. 
  Select next sensor for adjustment as required. 
 
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