Festo CPA VI Series Manual page 62

4. Commissioning
Auxiliary pilot
air supplied
separately
Taken from
behind the
safety start-up
valve
Taken in
front of the
safety start-up
valve
Carry
out test
4-8
The table below shows the effects of slow start-up
pressurization when an electric signal is present.
Pressure Pressure
increase in increase in
complete auxiliary pilot
supply air (12/14)
slow slow
slow fast
Proceed as follows:
1. Switch on the compressed air supply.
2. Check the functioning and effect of each individual
valve-cylinder combination by actuating the manual
override as shown in the following diagrams.
PLEASE NOTE
Incorrect operation of the pushing manual override
can lead to malfunctioning or damage to the manual
override.
• Use a blunt object to actuate the pushing manual
override
• Actuate the manual override with max 30 N.
3. In the case of a CPA valve terminal with locking ma-
nual override, make sure after testing the valves that
all manual override actuations are in the basic
position again.
4. Switch off the compressed air supply after testing
the valves.
Point when Movement of
valve control cylinder
switches
after pressure fast
increase at (1)
before pressure slow
increase
at (1)
CPA... 9808A