Cleaning and maintenance
20901118_EN-US_PC301x VARIO select Serie_V1.3_100720
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7
Cleaning and maintenance
WARNING
Danger due to electrical voltage.
Ø
Switch the device off before cleaning or maintenance
work.
Ø
Unplug the power plug from the socket.
Risk from contaminated parts.
Pumping hazardous media can result in hazardous substances
adhering to internal parts of the pump.
If this is the case for you:
ð
Wear your personal protective equipment, e.g., pro-
tective gloves, eye protection and, if necessary, res-
piratory protection.
ð
Decontaminate the vacuum pump before opening it.
If necessary have decontamination carried out by
an external service provider.
ð
Take safety precautions according to the instruc-
tions you have received on handling hazardous
substances.
NOTICE
Damage possible if work is performed incorrectly.
ð
Let a trained specialist or at least an instructed person carry
out Maintenance work.
ð
Before carrying out Maintenance for the first time, please
read through all the instructions to get an overview of the re-
quired service work.
7.1 Information on service work
Recommended maintenance intervals
9
Maintenance inter-
vals
Maintenance intervals
As required
15,000 h
Replace diaphragms
x
Replace valves
x
9 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.