6.2
Shutdown/storage/preservation
6.2.1 Measures to be taken for shutdown
The pump (set) remains installed
✓
Sufficient fluid is supplied for the operation check run of the pump.
1. Start up the pump (set) regularly between once a month and once every three
months for approximately five minutes during prolonged shutdown periods.
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
✓
The pump has been properly drained (
Section 7.3 Page 24) and the safety
instructions for dismantling the pump have been 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 and discharge nozzles.
It is advisable to then close the pump nozzles (e.g. with plastic caps or similar).
3. Oil or grease all blank parts and surfaces of the pump (with silicone-free oil and
grease, food-approved if required) to protect them against corrosion.
Observe the additional instructions. (
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.
Observe any additional instructions and information provided. (
6.3
Returning to service after storage
For returning the pump to service observe the sections on commissioning/start-up (
Section 6.1 Page 18) and the operating limits. (
In addition, carry out all servicing/maintenance operations before returning the
pump (set) to service. (
WARNING
Failure to re-install or re-activate protective devices
Risk of personal injury from moving parts or escaping fluid!
▷
As soon as the work is completed, re-install and/or re-activate any safety-
relevant and protective devices.
NOTE
If the pump has been out of service for more than one year, replace all elastomer seals.
6 Commissioning/Start-up/Shutdown
Trialine / Trialine Z
21 of 36
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