Festo DRD Instrucciones De Utilizacion página 29

DRE/DRD
To adjust the inner end position limit:
1. Using an Allen key, first turn one of the inner threaded rods aD until the
connected process valve reaches the desired position.
2. Then turn the inner threaded rod aD on the other side until you feel resistance.
Make sure that this does not change the position of the connected process
valve.
3. Screw the outer threaded rods aC back into the threads.
Preparations for adjusting the outer end position limit:
Pressurize the DRD−/DRE−...−O briefly at connection 2 (A) 2. The device's
S
pistons move to the outer end position.
aA aB
Fig. 10
To adjust the outer end position limit:
1. Vent the DRD−/DRE−...−O.
2. Using an Allen key, turn one of the outer threaded rods aC until the connected
process valve reaches the desired position.
3. Then turn the outer threaded rod aC on the other side until you feel resistance.
Make sure that this does not change the position of the connected process
valve.
4. Re−tighten the locking nuts aB on the threaded rods. Make sure that the
threaded rods are no longer turning during this.
Festo DRD/DRE 0703a English
aC aD aD aC aB aA
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