KNF N 813.3 AN.29DC-B, Перевод оригинальных инструкций по эксплуатации и установке

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Servicing Diaphragm Vacuum Pumps N 813
30 Translation of original Operating and Installation Instructions, english, KNF 121240-121506 09/19
8.3. Replacing the diaphragm and valve plates
▪
Pump disconnected from mains and de-energized.
▪
Pump is clean and free of hazardous materials.
▪ Hoses removed from pump’s pneumatic inlet and outlet.
Spare part/tool Quantity
Valve plates 2 (per pump head)
Diaphragm 1 (per pump head)
Sealing rings 2 (per pump head)
Ring spanner 14 mm
(alternative: open-ended spanner 14 mm)
1
For N 813.3 AN_ and N 813.5 ANE:
Open-ended spanner 17 mm 1
Phililips screwdriver No. 1 1
Felt-tip pen 1
Tab. 13
Diaphragm, valve plates and sealing rings are the only parts of the
pump subject to wear. They are simple to change.
Always change diaphragm, valve plates and sealing rings at the
same time. Service all heads.
WARNING
Dangerous substances in the pump can
cause a health hazard.
Depending on the substance transferred, caustic
burns or poisoning are possible.
➔
Wear protective clothing if necessary, e.g.
protective gloves.
➔
Flush the pump before replacing the diaphragm
and valve plates (see Chapter 8.2.1).
CAUTION
Danger of burns from hot pump parts
The pump head or motor may be hot even after the
pump has been shut off.
➔
Allow the pump to cool off after operation.
Requirements
Spare parts/tools
Information on procedure