
Function and handling
26
12.03|SRU 20 - 60|en
Locked center position (variant VM)
WARNING
Risk of injury if the machine/system moves unexpectedly!
In an EMERGENCY STOP situation, the center position lock can
come loose
• Swivel the module to one of the limit positions to restart.
NOTICE
The pistons can be damaged if incorrectly controlled.
• The locking pistons must be free to extend without striking the
drive pistons.
If this option is selected, the locking pistons can stop the rotating
motion in the center position and enable it again. The center posi-
tion can be adjusted by ± 3°.
Move from the 0° position to the center position
1 Extend locking piston C.
2 Actuate connection A.
Move from the 180° position to the center position
1 Extend locking piston D.
2 Actuate air connection B.
NOTE
Before actuating C and D, connections A and B must be completely
ventilated.
7.3