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Maintenance inter-
vals
-> Example
Recommended aids
for cleaning and
maintenance
Description
20901367_EN-US_PC3001 VARIO select Serie_V1.3_100720
7.1 Information on service work
Recommended maintenance intervals
Maintenance intervals
Replace diaphragms
Replace valves
Clean or replace molded PTFE hose
Replace pressure relief valve on EK
Cleaning the pumping unit
Recommended aids
No. Item
1 Round bottom flask stand
2 Glass pipette
3 Protective gloves
4 Chemical-resistant vessel + funnel
10 Recommended maintenance interval according to operating hours and under normal
operating conditions; depending on the environment and area of application, we advise
performing cleaning and maintenance as needed.
Cleaning and maintenance
10
As required
x
x
x
15,000 h
x
x
53
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