KNF N922SPE, Перевод оригинальных инструкций по эксплуатации и установке

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Diaphragm pump N922S_E IP54 Servicing
Translation of Original Operating and Installation Instruction, english, KNF 318667-318664 05/21 27
Tool and material
Quantity Tool/material
1 Allen key, 3 mm
1 Allen key, 4 mm
1 Screwdriver blade width 4.5 mm
1 Felt-tip pen
Tab.12
Information on the procedure Always replace the diaphragm, reed valve, valve limiter and O-ring to-
gether to maintain the performance of the pump.
WARNING
Risk of burns from hot pump parts and/or hot
medium
Some pump parts may be hot during or after oper-
ation of the pump.
à
Allow the pump to cool after operation.
à
Take protective measures to protect against
touching hot parts.
WARNING
Health hazard due to dangerous substances in the
pump
Depending on the medium being transferred,
caustic burns or poisoning is possible.
à
Wear protective equipment if necessary, e.g.,
protective gloves, goggles.
à
Clean the pump with suitable measures.
Work steps
The item numbers within the following work instruction refer to Fig.
11.
Ensure the stable condition of the pump during all servicing work.
Removing the pump head
1. Mark the position between the housing (1), intermediate plate (2) and
head plate (3) with a continuous line made with a felt-tip pen to ensure
proper mounting.
2. Removing the pump head:
Loosen the four screws (4) and remove the head plate (3) and interme-
diate plate (2) from the pump housing.
Replacing the diaphragm
1. Loosen the four Allen screws ( Fig. 10/2) of the housing cover ( Fig.
10/1) and remove the screws.