1
2
Fig. 35:
Changing the gas ballast filter
1 Gas ballast line
2
Gas ballast filter
Removing the gas ballast filter
1. Dismantle the gas ballast filter.
2. Check the gas ballast filter and replace the gas ballast filter in the event of severe contamination
or damage.
Installing the gas ballast filter
► Screw the gas ballast filter into the gas ballast line.
7.8 Drain condensate in the silencer
WARNING
Health hazard through poisoning from toxic contaminated components or devices
Toxic process media result in contamination of devices or parts of them. During maintenance work,
there is a risk to health from contact with these poisonous substances. Illegal disposal of toxic sub-
stances causes environmental damage.
► Take suitable safety precautions and prevent health hazards or environmental pollution by toxic
process media.
► Decontaminate affected parts before carrying out maintenance work.
► Wear protective equipment.
Clean silencer
Clean the silencer in accordance with the respective process, approx. every 5000 h with a suitable
cleaning agent.
1. Remove the silencer from the vacuum pump.
2. Clean and dry the silencer thoroughly.
3. Mount the silencer onto the vacuum pump.
Clean non-return flap
Clean the non-return flap as a function of the process approx. every 1000 h with a suitable cleaning
agent.
1. Check the functionality of the non-return flap.
2. If needed, restore the non-return flap's functionality.
3. Clean and dry the non-return flap thoroughly.
Maintenance
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