Checking The Oil Levels And Refilling - Edwards EXS Series Instruction Manual

Dry screw vacuum pump
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Inspect the connections, pipelines, cables and fittings. Refer to
connections, pipelines, cables and fittings
Inspect and clean the exhaust pipe, elbow and check valve(if fitted).

7.5.1 Checking the oil levels and refilling

WARNING:
The use of suitable protective gloves and eye protection is recommended when
carrying out this procedure. Personal protective equipments should be checked and
used as specified by its supplier.
CAUTION:
Ensure that the oil levels in the dry pump and the mechanical booster pump (where
applicable) are correct. If a pump oil level is incorrect, pump performance may be
affected and the pump may be damaged.
EXS dry pumping system has a gearbox with a sight glass at each end and so
Location of the oil sight glass and the fill plug on gearbox
accessible from the left side of the dry pumping system and the other is accessible from
the right side.
The dry pumping systems are provided with slots in the side panels to enable the oil
levels to be checked without removal of the side panels. To check oil levels on these
systems:
1.
Switch off the dry pumping system and allow it to stand for at least 5 minutes.
2.
Check that the oil level is in line with the MAX indicator. If the oil level is below the
maximum it must be topped up.
To top up the oil levels, all EXS pumping systems require side panels to be removed:
1.
Refer to
the oil fill plugs on the top of the end cover and gearbox.
2.
Remove the appropriate oil fill plug and carefully top up with oil. Refer to
technical data
3.
Keep adding oil until the oil level is in line with the MAX indicator.
4.
Refit the oil fill plug.
5.
Refit all dry pumping system side panels.
A41870880_A
A41870880_A - Maintenance
Figure: Location of the oil sight glass and the fill plug on gearbox
on page 15 for the specification.
Page 59
Inspect the
on page 60.
applies to both ends. One is
07/2021 - ©Edwards Limited
Figure:
to locate
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Exs750Exs450

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