Index Page Please note: Current operating instructions are also available via 1. Safety Precautions ........3 www.pfeiffer-vacuum.net. 1.1. For Your Orientation............3 1.2. Pictogram Definitions............3 2. Understanding The Pump......4 2.1 Main Features..............4 2.2. Differences Between The Pump Types......4 3.
– Accessories other than those named in this manual may not be used without the agreement of Pfeiffer Vacuum. – Do not use the connecting line between the heads of the Danger of damage to the pump or system.
The diaphragm pump can be applied in all areas where an oil- free, dry vacuum is required. Particularly the pump is suitable as backing pump for many Pfeiffer Vacuum turbopumps in applications involving light gas loads only. Further applications: – Pumping stations –...
3. Installation 3.1. Setting Up The Pump And Location Pump versions where the thermostatic winding CAUTION protection protrudes must be appropriately ➡ Place pump on a smooth, even surface. wired to ensure the motor is protected. ➡ Anchor the pump if it is to be erected in a stationary positi- ➡...
4. Operations 4.1. Important Information 4.3 Intermittent Operations Before starting, ensure that impermissibly high To prolong the life of diaphragm pumps, intermittent CAUTION pressures cannot build up on the pressure side. operations can be selected with lesser gas throughputs of Interchanging the connections causes <...
5. What To Do In The Case Of Breakdowns ? P P r r o o b b l l e e m m P P o o s s s s i i b b l l e e c c a a u u s s e e R R e e m m e e d d y y Pump does not attain final pressure •...
6. Maintenance 6.1. Precautionary Measures During Mainten- 6.4. Assembling The Membrane Head ance Work ➡ Assemble all parts in reverse order. The connecting rod should be positioned in the upper dead point when fitting Whenever working on the pump ensure the CAUTION the diaphragm.
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Dismantling the membrane head 11 Allan head screw 15 Intermediate plate 12 Head cover 16 Diaphragm 13 Valve plate 17 Washer 14 Sealing ring Membrane head 1 Membrane head 2 Membrane head 4 Vacuum flange (direct screw joint) Exhaust (silencer) Capacitor 10 Interhead connection 1-2 10a Interhead connection 2-3...
➡ A copy of the completed declaration must accompany the unit; any additional copies must be sent to your local Pfeiffer Vacuum Service Center. Please get in touch with your local Pfeiffer Vacuum represen- tatives if there are any questions regarding contamination. Decontaminate units before returning or WARNING possible disposal.
8.2. Dimensions 9. Spare Parts P P o o s s . . D D e e s s c c r r i i p p t t i i o o n n P P i i e e c c e e s s S S i i z z e e N N u u m m b b e e r r C C o o m m m m e e n n t t s s / / r r e e l l e e v v a a n n t t...
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Declaration of Contamination of Vacuum Equipment and Components The repair and/or service of vacuum components will only be The manufacturer could refuse to accept any equipment carried out if a correctly completed declaration has been without a declaration. submitted. Non-completion will result in delay. This declaration can only be completed and signed by authorised and qualified staff: 1.
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