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20901544_E12C+16C_NT Vsel_V1.2_260922
Cleaning and maintenance
7.1
7.1 Information on service work
Information on service work
Recommended maintenance intervals
Maintenance intervals*
Maintenance intervals*
If required
If required
15,000 h
15,000 h
Replace diaphragms
x
Replace valves
x
Replace O‑rings
x
Clean or replace molded PTFE hose
x
Clean the vacuum pump
x
* Recommended maintenance interval according to operating hours and under
normal operating conditions; depending on the environment and area of ap-
plication, we advise performing cleaning and maintenance as needed .
Recommended aids
Protective gloves
>
Always wear your personal protective equipment when per
‑
forming activities which may bring you into contact with haz
‑
ardous substances.
Example
Recommended aids
for cleaning and
maintenance
IMPORTANT!