6 Commissioning/Start-up/Shutdown
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CHTRa
WARNING
Pump parts falling down during dismantling and reassembly.
Risk of injury from falling parts!
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Use appropriate means to secure the parts, if possible.
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Wear safety shoes.
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Observe the applicable local accident prevention regulations.
Preservation for standstill is required if:
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The pump set is not commissioned immediately after its installation
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The standstill time of the pump set exceeds two weeks
▪
There is any risk of freezing
Preservative
Use a preservative which fulfils the following criteria:
▪
Mixture of glycol and water, ratio 1:1
NOTE
This mixture ensures protection against freezing down to approximately - 42 °C.
ü
The pump set has been shut down. (
ü
All necessary work after shutdown has been performed.
(
ü
The drive has been secured against start-up.
ü
The pump has been drained, if required.
ü
A container for collecting the fluid is on hand.
ü
Sufficient preservative is available.
1. Secure all shut-off elements against opening.
2. Place suitable containers under the drain holes.
3. Open all drains and/or drain lines.
4. Collect and properly dispose of the fluid.
5. Close all drains and drain lines.
6. Fill the pump with preservative.
7. Dismantle and store the coupling guard.
8. Dismantle and store the spacer of the coupling as described in the
manufacturer’s documentation.
9. If required, fill the bearing housing with oil.
10. Rotate the pump rotor once or twice a month to prevent a separation of the
preservation fill.
11. Check the fill level of the preservative once or twice a month; top it up, if
required.
6.10 Returning to service
WARNING
In the case of storage periods of more than 5 years, the sealing function of O-rings
may be impaired.
Rick of injury from leakage of hot, pressurised fluid handled!
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After a storage period of more than 5 years, the pump must be dismantled
before it is installed, and the O-rings must be replaced.
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Check the O-rings for damage before they are fitted.
