The operating fluid type intended for the pump and the respective filling quantity are indicated on the
rating plate. Only the operating fluid used during initial commissioning is permissible.
Approved operating fluid
● P3 (standard operating fluid)
● F5 (operating fluid for corrosive gas versions)
● D1 for special applications (such as higher operating temperatures)
● A113 (operating fluid for corrosive gas versions)
max.
min.
1
2
Fig. 14:
Fill pump with operating fluid
1
Filler screw
2
O-ring
Refilling operating fluid
1. Unscrew the operating fluid filler screw.
2. Refill the operating fluid.
– Quantity for initial filling and with cold pump: A maximum of 3/4 of the min./max. range.
3. Screw in the operating fluid filler screw.
– Be careful with the O-ring.
5.6 Connecting accessories
Installation and operation of accessories
Pfeiffer Vacuum offers a series of special, compatible accessories for its products.
● You can find information on approved accessories online at
● The following accessories are not included in the scope of supply and must be
ordered separately.
Installation
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