Cleaning and maintenance
20901334_EN-US_PC3000 VARIO select Serie_V1.4_061022
61
Membrane maintenance
11 Spacers, max. 4 pieces per pump head
7.3.2 Changing the membranes and valves
Preparation
-> Example
Preparing for mainte-
nance
1. Switch off the pumping unit
and disconnect the power
plug.
2. Remove the glass flask and
connected hoses.
-> Example
Disassembling the EK
(optional)
3. Undo the screws from the
counterholder; Torx screw-
driver TX10.
4. Remove the counterholder
and set it aside together
with the screws.