6 Commissioning/Start-up/Shutdown
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Vitaprime
CAUTION
Impermissibly high density of the fluid handled
Motor overload!
▷
Observe the information about fluid density in the data sheet.
▷
Make sure the motor has sufficient power reserves.
6.2.5.3 Viscosity of the fluid handled
The discharge head, flow rate and power input of the pump are influenced by the
viscosity of the fluid handled.
CAUTION
The fluid handled has a higher viscosity than permitted.
Risk of motor overload!
▷
Observe the viscosity limits for the fluid handled given in the data sheet.
▷
Make sure the motor has sufficient power reserves.
6.2.5.4 Abrasive fluids
Do not exceed the maximum permissible solids content specified in the data sheet.
When the pump handles fluids containing abrasive substances, increased wear of the
hydraulic system and shaft seal are to be expected. In this case, reduce the commonly
recommended inspection intervals.
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 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.
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. (
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 (food-approved, if
required) can be used for this purpose. Observe the manufacturer's instructions for
application/removal.
Observe any additional instructions and information provided. (
ð
Section 3, Page 12)
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