KNF N922SPE, Translation Of Original Operating And Installation Instructions

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Servicing Diaphragm pump N922S_E IP54
26 Translation of Original Operating and Installation Instruction, english, KNF 318667-318664 05/21
9.2.2 Cleaning the pump
CAUTION
Risk of burns from hot pump parts
The pump head or motor may still be hot after op-
eration of the pump.
à
Allow the pump to cool after operation.
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.
NOTICE
During cleaning work, ensure that no fluids enter
the interior of the housing.
à
Only clean the pump with a dry wiping cloth. When cleaning, use no
solvents if possible as these can affect the plastic parts.
à
Only use solvents during cleaning if head materials are not affected
(ensure resistance of the material).
à
If compressed air is present, blow out the components.
9.3 Changing the diaphragm, reed valve and valve limiter
(ST design)
Requirements à
Disconnect the motor from mains and ensure that it is voltage-free.
à
Clean the pump and free the pump of hazardous materials.
Spare parts
Spare part* Position designation** Quantity
Diaphragm (5) 1
Reed valve (7) 2
Valve limiter (8) 2
O-ring (10) 2
O-ring (11) 1
Slotted screw (6) 2
Tab.11 *According to spare parts list, Chapter 11.1 Spare parts
**According to
Fig. 11