KSB Etanorm V, Operating Manual

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6 Commissioning/Start-up/Shutdown
32 of 62
Etanorm V
1228.87/01-EN
The fluid handled may contain abrasive particles up to a maximum content of 5 g/
dm
3
and a maximum particle size of 0.5 mm.
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. For prolonged shutdown periods, start up the pump (set) regularly between
once a month and once every three months for approximately five minutes.
ð
This will prevent the formation of deposits within the pump and the pump
intake area.
The pump (set) is removed from the pipe and stored
ü
The pump has been properly drained. (
ð
Section 7.3, Page 36)
ü The safety instructions for dismantling the pump have been observed.
(
ð
Section 7.4.1, Page 36)
ü The permissible ambient temperature for storing the pump is observed.
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 12)
If the pump set is to be stored temporarily, only preserve the wetted components
made of low-alloy materials. Commercially available preservatives can be used for
this purpose. Observe the manufacturer's instructions for application/removal.
6.4 Returning to service
For returning the equipment to service observe the sections on commissioning/start-
up and the operating limits. (
ð
Section 6.1, Page 29)
In addition, carry out all servicing/maintenance operations before returning the
pump (set) to service. (
ð
Section 7, Page 34)
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.
6.5 Cleaning the pump set
NOTE
The pump is splash-proof as it is designed without bearings above the cover plate.