5. Maintenance and conversion
5-5
Festo P.BE-MPA-EN en 1108e
5.3 Maintenance of the MPA-S valve terminal
5.3.1 Cleaning the flat plate silencer
Caution
Fire risk due to highly inflammable cleaning materials
• Observe the safety regulations for handling highly
inflammable cleaning materials.
Caution
Health hazard
• Do not use chlorinated hydrocarbons (CHCs) such as
trichloroethylene (TCE), but petrol or paraffin instead.
Note
Avoiding malfunctions
Dirt in the flat plate silencer can cause an increase in
pressure in exhaust channels (3) and (5).
• Clean the flat plate silencer if it is yellow/black or has a
dark colour, or replace it with a new insert.
You can then guarantee faultless functioning of the flat
plate silencer and avoid malfunctioning of the valves.
Proceed as follows:
1. L o osen the 6 mounting screws of the flat plate silencer
and remo ve it from the base components.
2. Clean the flat plate silencer with petrol or paraffin.
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