1. Use suitable lifting equipment attached to lifting eyebolts (Figure:
General view, (14)) to move the dry pump system close to its nal
operating position. Refer to Table: Mechanical data for pump mass.
2. Secure the dry pump system with the rubber stand-off and two small
castors (Figure: General view, (5)).
3. Remove the plastic caps from the inlet and exhaust before you
connect the pump to the vacuum system. Use appropriate ISO-KF
vacuum ttings for connection to the system.
Obey the instructions that follow when you connect the pump to the
vacuum system:
▪ Connect the pump to an exhaust line to minimise noise and exhaust
emissions.
▪ Make sure that the pipeline connected to the pump inlet is as short as
possible. To maximise the pumping speed, maintain the largest internal
diameter of pipeline connections where possible.
▪ Support the vacuum pipeline to reduce load on coupling joints.
▪ Make sure that the pump exhaust line is not blocked as a pressure of
3 bar(g) can be generated in the exhaust pipework. Connect the pump
with appropriate pipework and ttings.
▪
If necessary, install exible bellows in the system pipelines to reduce
the transmission of vibration and to prevent load on the coupling joints.
The pressure rating of the bellows must be higher than the highest
pressure generated in the system. We recommend that you use the
manufacturer's bellows.
▪
Make sure that the sealing surfaces are clean and are not scratched.
4.3 Leak test the system
CAUTION: SYSTEM LEAK TEST
Risk of injury or damage to equipment. Leak test the system after installation. Seal
the leaks found to prevent leakage of (potentially hazardous) pumped gases out from
the system and leakage of air into the system which will affect the performance.
We will accept no liability or warranty claims for damages caused from
ammable mixtures because of air leaks.
1. Leak test the vacuum system after installation of the pump.
2. Seal all leaks found.
4.4 Electrical installation
WARNING: ELECTRICAL CONNECTION
Risk of electric shock. The electrical installation must be performed by a qualied
person. Always make the electrical connections after the pump has been installed on
the vacuum system.
21
300902516_002 - 10/2020 - © Leybold
Installation
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