22
Maintenance
8
Maintenance
Turn off the vacuum pump, vent to atmospheric pressure and allow to cool.
8.1 Maintenance intervals and responsibilities
●
Carry out the required maintenance on the components of the pumping station in ac-
cordance with the instructions in the individual operating manuals.
●
Clarify shorter maintenance intervals for extreme loads or impure processes with Pfei-
ffer Vacuum Service.
●
For all other cleaning, maintenance or repair work, please contact your Pfeiffer Vacu-
um service location.
8.2 Removal of components for their maintenance
In some cases, components may need to be dismantled from the pumping station so that
customers can carry out necessary maintenance work on them (they should then be re-
assembled in reverse order).
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.
WARNING
Danger of electric shock
The pumping station is only free of voltages when the mains plug has been disconnect-
ed.
Switch off the master switch and disconnect the mains plug before all work.
Secure against unintentional restarting.
CAUTION
Release of the connecting screws between backing and Roots pump because of
vibrations during operation
Roots pump moves and falls down.
Control connecting screws regularly during maintenance work and tighten with a
tightening torque of 40 - 50 Nm.
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.
CAUTION
High weight of backing pump when dismounting and mounting
Body parts can become crushed between backing pump and pumping station frame.
Use lifting device for lifting the backing pump.
If necessary wear protective gloves according to directive EN 420.
Wear safety shoes with steel toe cap according to directive EN 347.
