2
Conical filter
Draining the external silencer (CV version)
The maintenance frequency depends on the amount of condensable vapors pumped in the application
in which the pump is installed.
Users are advised:
● either to regularly check the saturation of the silencer and drain it when necessary.
● or to connect a permanent drain system instead of the drain plug on the external silencer.
1
1
Drain plug
Replacing the air filter (LG version)
The LG version models have a permanent air filter.
1. Check the cleanliness of this filter regularly.
2. Unscrew the filter and replace it with a new one.
11
11
Air injection (LG version)
7.4 Exchange procedure for replacement products
To proceed with a standard exchange, key steps must be followed in sequential order:
1. Disconnecting the pump from the installation.
2. Draining the external silencer (CV version).
3. Preparing the pump for shipping.
4. Complete the declaration of contamination.
5. Handling the new pump.
6. Installing the new pump.
Familiarize yourself with the service request procedure and fill in the declaration of contamination when
returning products to our service centers
(see chapter “Service solutions from Pfeiffer Vac-
.
Maintenance
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Содержание ACP 28 CP
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