6 Commissioning/Start-up/Shutdown
31 of 60
Sewabloc
The pump (set) remains installed
ü
Sufficient fluid is supplied for the operation 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 38)
ü
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 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.
6.4 Returning to service
For returning the equipment to service, observe the sections on commissioning/start-
up (
ð
Section 6.1, Page 27) and the operating limits (
ð
Section 6.2, Page 28) .
In addition, carry out all servicing/maintenance operations before returning the
pump (set) to service. (
ð
Section 7, Page 32)
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, re-install and re-activate any safety-relevant
devices and protective devices.
NOTE
On pumps/pump sets older than 5 years we recommend replacing all elastomer
seals.
Summary of Contents for Sewabloc Series
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