6 Commissioning/Start-up/Shutdown
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CHTRa
NOTE
Observe the manufacturer's instructions for application/removal of the preservative.
ü
A container for collecting the preservative is on hand.
1. Open the drain (6B) of the pump.
2. Drain the pump.
3. Collect the drained fluid in a suitable container and dispose of it in accordance
with the environmental regulations.
4. Close the drain (6B) of the pump.
5. Flush the pump sufficiently to remove all residues of the preservative.
6. Remove the grease on the outsides of all pump set components.
6.2.1.2 External preservation
Remove the preservation of the pump set components in accordance with the
relevant manufacturer’s product literature.
1. Clean the preserved exterior parts using appropriate cleaning agents.
6.2.2 Work to be carried out prior to restart after standstill > 12 months
1. Dismantle the pump-end coupling hub.
2. Dismantle the bearings.
3. Remove the mechanical seal and check it in accordance with the manufacturer’s
product literature.
If the mechanical seal is clean and undamaged, it may be re-installed. Otherwise
a new mechanical seal must be installed.
4. Re-mount the bearings and lift the pump rotor if the pump is equipped with
plain bearings.
5. Re-mount the pump-end coupling hub.
6.2.3 Connecting the oil mist lubrication (if applicable)
Connect the oil mist lubrication, see chapter 9.
6.2.4 Flushing the lube oil circuit with oil (if applicable)
DANGER
Ignition of lubricant leakage on hot pump surfaces
Explosion hazard!
▷
The ignition temperature of the lubricant should exceed the maximum surface
temperature of the pump by at least 50 K.
Oil quality
When operating the
pumps in potentially explosive atmospheres
, lubricants have to
be selected whose ignition temperature/flash point exceeds the maximum surface
temperature of the pump by at least 50 K. Recommended oil types
(
