Festo DSBC-40-30-PPVA-N3 Notice D'utilisation page 17

Pneumatic linear cylinder
Individual unit
Warning
1. Make sure that:
nobody can place his/her hand in the
positioning range of the moveable
mass
there are no objects in the positioning
range.
2. Close both upstream one−way flow control valves:
at first completely,
then loosen approximately one turn.
3. Close the adjusting screws for the end position cushioning
at first completely (with DNCB−.. close completely);
then loosen again approximately one turn (with DNCB−... ¼ turn).
4. Note that adjustable end position cushionings may have no effect if used in
conjunction with fitted quick exhaust valves.
This depends on the flow ratio of the exhaust air.
5. Exhaust the cylinder slowly on one side.
Otherwise excessive loadings will occur during the first move, if the piston
moves too quickly into an end position.
For slow start−up pressurization use safety start−up valve type HEL−... .
6. Start a test run.
7. During a test run check whether the following settings on the cylinder need to
be modified:
the end position cushioning
the speed of the moveable mass.
With masses which project longitudinally
over the bearing/end cover:
In this case the following screws may only
be turned when the cylinder is at a stand:
the adjusting screws for the one−way
flow control valves
the adjusting screws for the end posi
tion cushioning.
Festo 0506a English
Fig. 8
Fig. 9
17