4 Installation
WARNING
Poisonous substances exit from the exhaust
There is a poisoning hazard from discharged gases or vapors that can be hazardous and/or polluting
during use.
► Install and run the exhaust line so that overpressure cannot build up inside it.
► Follow the vacuum pump installation instructions in the respective operating instructions.
To allow the oil return in the pump oil case and avoiding all risk of seizing, it is mandatory to
take off the vent valve located at the exhaust port of the pump.
General instructions for installing the pump in the pumping line in accordance with industry
best practices
1. Perform the installation on the pump stopped and off.
2. Use connection accessories provided with the OME.
3. Use accessories on the inlet and exhaust lines whose materials and sealing properties are com-
patible with gases being used.
4. Provide in the pumping line, accessories to isolate the pump from the vacuum and exhaust line, to
make the maintenance easier (inlet and exhaust isolation valves, purges,…).
5. Remove the blanking plates blocking the inlet and exhaust ports.
In case of distance installation of the OME from the pump:
● Use the same diameter tube between the pump and the OME.
● Install the OME to a level higher than the pump’s exhaust.
4.1 Fitting direction
A label indicates the fitting direction of the filter on the pump.
► Install the OME on the pump's exhaust respecting the assembly direction.
The side on which the filter element is visible must be mounted on the pump.
The side where the spring is visible must be connected to a chimney or an exhaust duct.
P
U
M
P
P
U
M
P
Exh.
IN
Fig. 1:
Fitting direction on the pump
Installation
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