1. Check that the oil level of shaft seal oil reservoir/ motor side cover/ gear side cover.
2. Check that the pump is installed correctly, especially after initial installation and
maintenance.
3. Turn on the cooling water supply and check if the cooling water has sufficient flow at
the correct pressure and check if the water connections leaks.
4.2.2 Start-up
1. Close all valves that are open to atmosphere and ensure that all other openings are
closed.
2. Switch on the baking pump and open the baking valve (if installed).
3. Switch on the pump.
4. Allow the pump to run for about 15 minutes to reach normal operating temperature.
5. Slowly open the pump inlet isolation valve (if installed).
4.2.3 Stop
1. Close the pump inlet isolation valve (if installed).
2. Leave the pump operating for sufficient time to drain the dangerous substances in the
pump.
3. Switch off the pump.
4. Close the backing air pump admittance valve (if installed) and Switch off the backing
pump.
5. Turn off the cooling water supply.
5.
Maintenance
5.1 Safety information
WARNING
Obey the safety instructions below and take note of suitable precautions.
Otherwise, it may result in personal injury and equipment damage.
•
The pump must be maintained by suitably trained and instructed technicians.
•
The pump is not suitable for pumping gases with oxygen content greater than
atmospheric oxygen (oxygen content > 21%) or other strong reactive gases.
•
The pump is not suitable for pumping flammable, explosive and toxic gases and
chemicals. When pumping those gases, the pump oil will be contaminated except for the
pump. Therefore, safety precautions should be taken during maintenance.