64
Decommissioning
10 Decommissioning
10.1 Shutting down for longer periods
Despite this recommendation, if the pump is shut down for a prolonged time, it is advis-
able to follow the precautions mentioned below in order to reduce the risks of condensa-
tion, powder build-up and corrosion inside the pump.
From the process chamber, flush the pump using a dry inert gas, such as nitrogen,
through the inlet port during 30 minutes.
Stop inert gas supply and let the pump running at ultimate pressure for 5 minutes.
Stop the pump and close inlet port with the appropriate blank-off flange.
Configure
[PURGE PROLONG]
and set it on 30 minutes, then perform a cy-
cle start/stop of the pump. Wait till end of purge prolonged cycle (30 minutes).
Put appropriate blank-off flange at exhaust of the pump.
Turn off the cooling water supply.
Switch off the pump by positioning the main switch
to
O
: the white indicator
Power
turns off.
10.2 Re-starting
The only guaranteed solution by Pfeiffer Vacuum to restart a process pump after a pro-
longed stop is to perform a complete overhaul of the pump. In case of trouble, contact
your
service center
.
10.3 Disposal
According to the regulations 2012/19/EC about Waste of electrical and electronic equip-
ment, and 2011/65/EC about Restriction of Hazardous substances, the manufacturer
provides a paid recycling service for the end of life of the equipment.
Any obligation of the manufacturer to take back such equipment shall apply only to com-
plete not amended or modified equipment, using Pfeiffer Vacuum SAS original spare
parts, delivered byPfeiffer Vacuum, containing e.g. all its components and subassem-
blies.
This obligation will not cover the shipping cost to a Pfeiffer Vacuum reclamation facility.
Before returning the product, please consult the
Service
procedure
. Fill in the
declaration of contamination form available on our website. Attach it to the product be-
fore shipping to the closest service-repair office.
NOTICE
Risk of build-up of process residues
All process pumps are designed for continuous operation in pumping process gas and
should not be stopped. Pfeiffer Vacuum will be released from any warranty and liability
claims if a process pump is stopped for a prolonged time leading to condensation of by-
products, powder build-up or corrosion inside the pump. The only guaranteed solution
by Pfeiffer Vacuum to restart a process pump after a prolonged stop is to perform a com-
plete overhaul of the pump.
WARNING
Environmental protection
The product or its components must be disposed of in accordance with the applicable
regulations relating to environmental protection and human health, with a view to reduc-
ing natural resource waste and preventing pollution.
Summary of Contents for A 1204H
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