8.3.3 Change the oil
WARNING: HAZARDOUS SUBSTANCES
Risk of injury or damage to the pump. Hazardous substances may escape from the
pump and the oil. If there is a danger that the operating agent may present a hazar
d
in any way due to decomposition of the oil or because of the media which have been
pumped, you must determine the kind of hazard and make sure that all necessary
safety precautions are taken. Use gloves, face protection or a respirator, for example.
Observe safety information given in Thermal hazards on page 9 and Hazards caused
by materials and substances on page 9.
Change the oil while the pump is cold to avoid releasing adsorbed gases. If releasing
adsorbed gases has no problem, change the oil after the pump has been switched off
and while the pump is still warm.
WARNING: HOT SURFACE
Risk of burn. With the pump warm from the operation, both pump and oil can get so
hot that there is the risk of suffering bur
ns. If required, wear gloves.
Note:
Check and top up oil only after the pump has been shut down.
When disposing of waste oil, observe the applicable environmental
protection regulations.
When changing the oil use the same type of oil which was previously in the
pump. If you want to change the type of oil entir
ely consult us rst.
The oil must be changed after the rst 500 operating hours and then at least
every 2000 - 3000 operating hours or after 6 months. At high intake
pressures and/or high intake temperatures when pumping contaminated
gases, the oil will have to be changed more frequently.
Further oil changes must be made before and after the long-term storage of
the pump.
If the oil becomes contaminated too quickly, install a dust lter (refer to
Accessories on page 58).
Contact us for more information on this matter.
300956027_002_A0 - 03/2022 - © Leybold
44
Maintenance
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