Operation
63GA02411_002_C0 - 10/2016 - © Leybold
An error message will be displayed (and must be acknowledged), if the purge
gas will be turned off prior to the SP Guard or turned on after the SP Guard.
4.2.4 Regular Checks
(Note also Section 5 “Maintenance”)
Reliable and safe operation is ensured when running the following checks
regularly:
■
Oil level check
■
Check on the oil cooler for accumulated dirt
■
Emptying the condensate separator (optional)
■
Check the readings on the SP-Guard (optional)
(temperatures and vibration levels)
■
Cleaning the filter at the gas ballast valve (optional)
■
Cleaning the intake screen
■
Checking the dust filter (optional) and cleaning as required
In the case of ATEX applications we recommend keeping a log on the
regular checks. Stop operating the pump when the SP-Guard displays a
warning.
A wire-mesh filter is located in the pump’s intake port to act as an intake
screen for foreign items. It should be kept clean at all times in order to avoid
reduction of the pumping speed.
For this purpose, disconnect the intake line, remove the intake screen from
the intake port and clean it in a suitable way. If the intake screen is defective,
replace it.
The cleaning intervals depend on requirements. If large amounts of abrasive
materials occur, a suitable dust filter should be fitted into the intake line.
The interval between the regular checks will depend on the ambient condi-
tions and the process in each case and needs to be defined based on expe-
rience gained during operation. The temperature of the oil and the dirt accu-
mulated on the oil cooler will have to be checked more frequently when the
pump is being operated in a dusty environment. If much condensate is col-
lected, the condensate separator will have to be checked regularly.
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