Festo MPAL-VI - Maintenance; General safety measures

6 Service
Festo – MPAL-VI-EN – 2017-07a – English 73
6 Maintenance
6.1 General safety measures
Warning
Uncontrolled movements of the connected actuators and loose tubing can cause injury
to persons and/or damage to property.
 Before carrying out mounting, installation and maintenance work, switch off the
following power sources:
– Compressed air supply
– Operating voltage supply
– Load voltage supply
Note
 Handle all modules and components carefully.
 Screws must be placed so that the self-cutting threads can be used.
 Only tighten the screws by hand.
 Comply with tightening torques.
 Secure all of the components without distortion and mechanical tension.
 Replace damaged seals.
 Keep mounting surfaces clean and dry.
6.2 Check oil setting (operation with lubricated compressed air)
Check lubricator setting èChap.3.4.2
6.3 Cleaning or replacing flat plate silencer
Note
Avoiding malfunctions.
Contaminated silencers can cause the pressure in the exhaust ducts (3) and (5) to rise.
 Replace or clean seriously discoloured silencers.
1. Unfasten the 4 retaining screws on the blanking plate of the flat plate silencer.
2. Remove the blanking plate and flat plate silencer.
3. Replace the flat plate silencer or clean it with benzene or petroleum.
4. Secure the flat plate silencer with the 4 retaining screws.
– Tightening torque: 1.4 Nm± 10 %