Start-up
6.4 Locked center position
WARNING
Risk of injury due to unexpected movement of the
machine/system!
In an EMERGENCY STOP situation, the center position lock can
come loose.
•
Swivel the product to one of the end positions to restart.
CAUTION
Damage due to erroneous control!
Erroneous control may damage the pistons.
•
The locking pistons must be free to extend without striking
the drive pistons.
•
Observe electrical circuit diagram, electrical circuit diagram
actuation with two 5/3 directional control valves (example).
If this option is selected, the locking pistons can stop the rotating
motion in the center position and enable it again. The center
position can be adjusted by ± 3°.
Move from 0° position to the center position
1. Extend locking piston "C".
2. Actuate air connection "A", pinion begins to move.
✔
Assembly swivels into center position.
Move from 180° position to the center position
1. Extend locking piston "D", pinion begins to move.
2. Actuate air connection "B".
✔
Assembly swivels into center position.
NOTE
Before actuating "C" and "D", connections "A and "B" must be
completely ventilated. Observe the waiting period here,
circuit diagram actuation with two 5/3 directional control valves,
example [
.
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04.00 | SRU-plus-D | Assembly and Operating Manual | en | 1380765
Summary of Contents for SRU-plus-D
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