KSB ILN, Operating Manual

Page: 41 / 92

6 Commissioning/Start-up/Shutdown
41 of 92
ILN / ILNC / ILNR
5211.8/08-EN
6.3 Shutdown/storage/preservation
6.3.1 Measures to be taken for shutdown
The pump (set) remains installed
ü
Sufficient fluid is supplied for the functional check run of the pump.
1. During prolonged shutdown periods, start up the pump set regularly for
approximately five minutes. Check the tightness of the sealing elements and the
functionality of the auxiliary connections. Observe the intervals given in the
"Intervals for operation during shutdown” table.
ð This will prevent the formation of deposits within the pump and the pump
intake area.
Table 13: Intervals for operation during shutdown
Application Intervals
Fire-fighting pump Monthly
Drinking water pump Every 48 hours
Stand-by pump Weekly
The intervals indicated apply as a minimum; daily operation is recommended.
The pump (set) is removed from the piping and stored
ü
The pump has been properly drained. (
ð
Section 7.3, Page 46)
ü The safety instructions for dismantling the pump have been observed.
(
ð
Section 7.1, Page 42)
1. Spray-coat the inside wall of the pump casing and, in particular, the impeller
clearance areas with a preservative.
2. Spray the preservative through the suction nozzle and discharge nozzle.
It is advisable to then close the pump nozzles (e.g. with plastic caps).
3. Oil or grease all exposed machined parts and surfaces of the pump (with
silicone-free oil or grease, food-approved if required) to protect them against
corrosion.
Observe the additional instructions on preservation. (
ð
Section 3.3, Page 13)
6.4 Returning to service
For returning the equipment to service observe the sections on commissioning/start-
up, the operating limits and the coupling alignment . (
ð
Section 5.5, Page 30)
( ð Section 6.1, Page 34) ( ð Section 6.2, Page 38)
In addition, carry out all servicing/maintenance operations before returning the
pump (set) to service. (
ð Section 7, Page 42)
WARNING
Failure to re-install or re-activate protective devices
Risk of injury from moving parts or escaping fluid!
▷ As soon as the work is completed, properly re-install and re-activate any safety-
relevant devices and protective devices.
NOTE
If the equipment has been out of service for more than one year, replace all
elastomer seals.