Maintenance
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GA01423_002_C0 - 10/2016 - © Leybold
5 Maintenance
Neglecting maintenance and inspection can cause poor performance and
pump failure.
To remove debris accumulated in the vacuum pump, operate the pump seve-
ral times for 3-5 seconds (once a day) with its inlet open to atmospheric air
(or open the purge gas valve if one is installed).
Allow the pump to cool down before doing maintenance. Performing main-
tenance immediately after shutdown can cause bodily injury such as burns.
Be careful of automatic restart
The thermal protection on the single-phase motor automatically resets.
This motor restarts without warning after the protector trips back. Be sure
to switch off the electric power before maintenance or inspection.
Switch off electric source
Be sure to switch off the electrical power before maintenance or inspec-
tion. Failure to do so can cause bodily injury from electric shock or rotating
objects.
More frequent maintenance is required if the ambient temperature is too high.
The maintenance interval is based on 5 - 40 °C ambient temperature and
25 °C average yearly temperature.
Shorten the maintenance interval if the ambient temperature is higher.
Otherwise, the pump may fail prematurely.
The maintenance schedule assumes that the pump is exposed to clean gas
only.
You must shorten the maintenance interval when pumping vapour since
vapour temperature, disposal volume, disposal frequency and substances in
the vapour influence the pump‘s operation.
NOTICE
DANGER
