5 Conversion and maintenance
Festo – P.BE-MPA-E N – 1309f – English 103
5.3.4 Replacing valves or c over plates
The sub-bases of the MPA-S valve terminal with multi-pin plug connection support actu-
ation of one or two solenoid c oils per valve position, dependent on the built-in MPA elec-
tronics module ( Tab. 5 . 4).
Dismantling
Proceed as follows:
• Use a screwdriver with a narrow blade to loosen the mounting screws and remove the c omponent
from the sub-bases ( Fig. 5.1).
Fig. 5.1 Removing valves or cover plates
Mounting
Proceed as follows:
1. Check the seal for damage.
2. Replace seals if they are damaged.
3. Make sure that the cord seal between sub-base a nd component is in the co rrect position: The cord
seal must sit in the cut-out of the component.