Pfeiffer Vacuum A 1204H, Operating Instructions Manual

Page: 13 / 92

Transport and storage
13
3.2 Storage
If the new pump is going to be put into storage:
Keep the pump wrapped in its protective film.
It is absolutely necessary to leave the inlet and exhaust blanking plates in place be-
cause the pump has been pressurized with dry nitrogen.
Store the pump according to storage temperatures (see 14.2.1) .
If the inlet and exhaust blanking plates have been removed, there is a risk of internal part
corrosion. We advise you to pressurize the pump with nitrogen.
Provide a nitrogen supply with the required characteristics (see 14.2.3) .
Seal the inlet port with inlet blanking plate delivered with the pump.
Connect the nitrogen to the gas connection located on the inlet blanking flange.
Pressurize the pump with dry nitrogen to a relative pressure of 200 hPa.
When the nitrogen flows out of the exhaust, seal it up with the provided accessories.
Disconnect the nitrogen purge connection.
Store the pump in a clean and dry area, at ambient temperature (see 14.2.1) , for a
maximum period of 1 year.
Never store a pump which has been used. Return it to a service center according to the
product
Service procedure (see 12) .
NOTICE
Duty to inform
In order to prevent moisture from entering the pump before installation, it has been pres-
surized before shipment with nitrogen and sealed with blanking plates.
Do not remove the blanking plates sealing the inlet and exhaust ports if the product
is not connected to the pumping line.
Do not operate the product unless the inlet and exhaust are connected to a vacuum
and exhaust pumping line.