RDL
6.2.3 Density of the medium handled
The power input of the pump will increase in proportion to the density of the medium handled. To avoid over loading of the mo-
tor, pump and coupling, the density of the medium must comply with the data specified on the purchase order.
6.2.4 Abrasive media handled
When the pump handles liquids containing abrasive substances, increased wear of the hydraulic system and the shaft seal are
to be expected. The intervals recommended for servicing and maintenance shall be shortened.
6.3 Shutdown / Storage / Preservation
Each KSB pump leaves the factory carefully assembled. If commissioning is to take place some time after delivery, we recom-
mend that the following measures be taken for indoors pump storage.
For others storage conditions, consult KSB.
6.3.1 Storage of new pumps
- New pumps are supplied by our factory duly prepared for storage. Maximum protection for up to 6 months, if the pump is
properly stored indoors.
- Store the pump in a dry location.
- Rotate the rotor by hand once a month.
6.3.2 Measures to be taken for prolonged shutdown
1. The pump remains installed; periodic check of operation.
In order to make sure that the pump is always ready for instant start-up and to prevent the formation of deposits within the
pump and the pump intake area, start up the pump set regularly once a month or once every 3 months for a short time (approx.
5 minutes) during prolonged shutdown periods. Prior to an operation check run ensure that there is sufficient liquid available for
operating the pump.
2. The pump is removed from the pipe and stored
Before putting the pump into storage carry out all checks specified in section 7.1. Then apply appropriate preservatives:
- Spray-coat the inside wall of the pump casing, and in particular the impeller clearance areas, with a preservative. Spray the
preservative through the suction and discharge nozzles. It is advisable to close the nozzles (for ex. with plastic caps or similar).
6.4 Returning to service after storage
Before returning the pump to service carry out all checks an maintenance work specified in sections 7.1 and 7.2.
In addition, the instructions laid down in the sections or “Commissioning” (6.1) and “Operating Limits” (6.2)
must be observed.
Upon completion of the work, all safety-related and protective equipment must be properly
refitted and/or reactivated before starting the pump set
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