18
Installation
5.6
Filling up the operating fluid
The type and amount of operating fluid should be visible on the pump's rating plate for
every rotary vane pump.
The delivery consignment for the
standard pump
contains sufficient operating fluid for
one filling. The use of other operating fluids requires prior authorisation from Pfeiffer Vac-
uum.
Permissible operating fluid
●
P3 (standard operating fluid)
●
Operating fluid for special applications on request
Filling up the operat-
ing fluid
Unscrew operating fluid filler screw 91.
Fill up the operating fluid.
– First fill when the pump is cold: Maximum 3/4 of the min./max. range.
Screw in operating fluid filler screw 91.
Fig. 9:
Filling up the operating fluid
Check oiler
The bearing oil chambers are factory-filled with P3 lubricant.
Prior to commissioning, check fill level of both oiler 39;
– The oiler should always be filled to a max. of one-third (when the pump is cold); top
up as required.
5.7
Setting up ventilation or measurement connection
The ventilation or measurement connection complies with DN 10 ISO-KF and for serial-
production pumps is sealed vacuum-tight with a blank flange.
Other connection possibilities:
●
manually or electrically activated valve for ventilating the pump at standstill
●
Vacuum gauge for pressure measurement
NOTICE
Use approved operating fluids only!
The use of operating fluids that have not been approved by Pfeiffer Vacuum shall result
in a limited warranty. In such cases, it is not possible to guarantee that product-specific
performance data will be achieved.
Prior consultation is required before using other application-specific operating fluids.
91
m ax
m in.
