Cleaning and maintenance
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20901118_EN-US_PC301x VARIO select Serie_V1.3_100720
ð
On one pump head pair, first replace the di-
aphragms and then the inlet/outlet valves.
ð
Then perform maintenance on the next pump head
pairs one after the other.
ð
Always replace all diaphragms and valves.
7.3.2 Preparation
Disassemble the controller and base, see chapter
Disassemble the device and housing sections
-> Example
Prepare for mainte-
nance
1. Switch the pumping unit
off and unplug the power
plug.
2. Remove glass flasks and
connected hoses from in-
let IN.
3. Remove glass flasks and
connected hoses from va-
por condenser EK.
4. Open the clamping ring of
the separator flask.