Diaphragm pump N87TTE Ex
Troubleshooting
Translation of Original Operating- and Installation Instructions, english, KNF N87TTE Ex 01/13
23
Fault cannot be rectified
If you are unable to determine any of the specified causes, send
the pump to KNF Customer Service (see Page 25 for the address).
1. Flush the pump to free the pump head of dangerous or ag-
gressive gases (see Section 8.2.1).
2. Remove
the
pump.
3. Clean the pump (see Section 8.2.2).
4. Send the pump to KNF with a filled out decontamination decla-
ration (Chapter 11) and specification of the medium trans-
ferred.