Correction sheet GMK 6400 3 113 178 en 3
01.10.2014
Extending and locking the telescoping cylinder
You may not select Lock while the telescoping cylinder is retracting or
extending. Under no circumstances should you press the button (1).
• Slowly move the telescoping cylinder into the next extended telescopic
section.
At the locking point:
– the arrows (4) are green,
– the display (5) shows the length for the cur-
rent locking point;
à p. 14 - 51.
• Press the button (2) once.
The telescoping cylinder is locked. In
Locked
position:
– the locking pins (3) are green,
– the symbol (1) is grey,
– the symbol (2) is yellow.
• You can now retract this telescopic section; à p. 1
S
Risk of damage to the main boom!
If you select Lock while the telescoping cylinder is moving, the locking pins
on the telescopic section are slid out immediately and they can damage or
tear the electrical or hydraulic components in the main boom.
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