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Maintenance inter-
vals
20901118_EN-US_PC301x VARIO select Serie_V1.3_100720
7
Cleaning and maintenance
WARNING
Danger due to electrical voltage.
Switch the device off before cleaning or maintenance
Ø
work.
Unplug the power plug from the socket.
Ø
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
Maintenance intervals
Replace diaphragms
Replace valves
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.
Cleaning and maintenance
9
As required
15,000 h
x
x
49
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