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Action
Change the oil
Change the oil filter
Replace the oil separator elements
Replace the filter element of electric cabinet
Replace the thermostatic valve
Test the pressure switch
Carry out a LED/display test
Motor overhaul
Replace membrane of vacuum control valve
Change lip seal assembly
Replace the tubes
Element overhaul
P ≥ 300 mbar(a)
300 mbar(a) > P ≥ 200 mbar(a)
P < 200 mbar(a)
* Or yearly, whichever comes first.
† Or every 2 years, whichever comes first.
The given maintenance intervals are correct for the standard operating conditions (refer
to
Reference condition and limitations
(refer to
Exposure of the pump to process/external pollutants (for example, humidity, dust, high-
cycle operation) has an impact on the maintenance requirement. Contact your pump
manufacturer to align the preventive maintenance schedule with warranty/product
liability coverage of your pump.
Note:
To change the timer setting, contact us.
Leakages must be attended immediately. Replace damaged hoses or flexible joints.
9.2 Oil specification
Note:
Do not mix lubricants of different brands or types as they can possibly not be compatible
and the oil mix will have inferior properties. A label, showing the type of oil filled
ex‑factory, is given on the air receiver/oil tank.
We recommend to use genuine vacuum lubricants supplied by manufacturer. They are
the result of years of field experience and research. Refer to
schedule
for the part number information.
6996022910_B
6996022910_B - Maintenance
Vacuum pump data
on page 61).
on page 100 for the applicable replacement intervals. Refer to spare parts list
on page 60) and nominal operating pressure
Page 102
Vacuum synthetic oil
Normal
†
8000 hours
24000 hours
96000 hours
72000 hours
64000 hours
Preventive maintenance
09/2021 - ©Edwards Limited
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