Edwards 900-607-5HR, Инструкция по эксплуатации

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© Edwards Limited 2008. All rights reserved. Page 37
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Operation
S900-01-880 Issue C
4 Operation
4.1 Operational safety
Ensure that the cooling air flow around the booster pump motor is not restricted.
4.2 Pre-start checks
Refer to the appropriate sections of this manual relevant to your booster pump, before you start the pump:
1. Ensure that all safety precautions in Section 3.1 have been complied with.
2. Ensure that the booster pump and vacuum and exhaust pipelines are correctly located and secured in place.
3. Check that the oil-levels in the oil reservoirs are correct.
4. Ensure that the vacuum system foreline, the booster pump inlet pipeline and the exhaust pipeline have been
checked for debris.
5. Check the booster pump for free rotation.
6. Check that the booster pump operates with the correct direction of rotation.
7. Check that the motor-to-booster pump alignment is correct (direct drive booster pumps only).
8. Check that the alignment of pulleys and belt tensions are correct (pulley driven booster pumps only).
9. Check that the motor has been correctly connected and that the necessary overloads and safety protective
devices have been used.
10. Ensure that all precautions have been taken to avoid possible injury or hazardous situations.
11. Ensure that inert or other safe gases are available, to purge process gases and to vent the pump to atmospheric
pressure.
4.3 Start-up
Use the following procedure to start the pumping system. If any problems are found, stop the booster pump and other
equipment and vent the vacuum system to atmospheric pressure. Do not continue to operate the system unless all
problems have been corrected.
WARNING
Do not expose any part of your body to vacuum. If you do, you may be injured.
WARNING
During operation, parts of the booster pump can become very hot. Ensure that you do not touch
the booster pump.
WARNING
Do not operate the booster pump with the inlet or outlet open to atmosphere. If you do, your
fingers or other parts of your body may get trapped and you may be injured by the rotating pump
mechanism.