Maintenance
17
7.2
Changing the filter element
The filter insert must be exchanged when the exhaust pressure increases until the pres-
sure relief valve opens inside the OME and oil mist exits.
Safely dispose of the materials according to the locally applicable regulations.
Dismantling
Fig. 8:
OME 16 M, OME 16 ATEX, OME 25 M, OME 25 ML (with OME 25 MXL 8.1 is a part of 8)
NOTICE
Disclaimer of liability
Pfeiffer Vacuum accepts no liability for personal injury or material damage, losses or op-
erating malfunctions due to improperly performed maintenance. The liability and war-
ranty entitlement expires.
DANGER
Danger to health by hazardous substances during maintenance or installation
Depending on the process vacuum pumps, components or operating fluids can be con-
taminated by toxic, reactive or radioactive substances.
Wear adequate protective equipment during maintenance and repairs or in case of
reinstallation.
WARNING
Contamination of parts and operating fluid by pumped media is possible.
Poisoning hazard through contact with materials that damage health.
In the case of contamination, carry out appropriate safety precautions in order to pre-
vent danger to health through dangerous substances.
Decontaminate affected parts before carrying out maintenance work.
2
Casing
4
Cover
6
Casing of pressure relief valve
8
Filter insert
11
Deflector
12
Sight glass
14
Valve buffer
16
Pressure spring
18
Washer
20
Circlip
22
Compression spring
28
O-ring
30
O-ring
32
Screw
33
Operating fluid drain screw
4
30
33
12
2
22
20 16
6
28
8
11
18
14
32
28
8.1
