© Edwards Limited 2007. All rights reserved. Page 37
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Storage and disposal
A344-02-880 Issue J
6Storage and disposal
6.1 Storage
Observe the storage temperature limits stated in Section 2. Storage below -30°C will permanently damage the
pump seals.
Note: If you will store a new pump in conditions of high humidity, remove the pump from its cardboard packaging
box; dispose of the box (refer to Section 6.2).
Use the following procedure to store the pump:
1. Ensure that the pump has been shut-down as described in Section 4.
2. Isolate the pump from the electrical supply.
3. Purge your vacuum system and the pump with dry nitrogen and disconnect the pump from your vacuum system.
4. Replace the oil as described in Section 5.4, paragraphs 3 to 8.
5. Place and secure protective covers over the inlet and outlet-ports.
6. Store the pump in cool, dry conditions until required for use.
7. When required, prepare and install the pump as described in Section 3. If the pump has been stored for more
than a year, before you install the pump you must clean and overhaul it as described in the instruction supplied
with the clean and overhaul kit.
6.2 Disposal
Dispose of the pump, cleaning solutions, deposits removed from the pump, used pump oil, coolant, grease and any
components safely in accordance with all local and national safety and environmental requirements.
Particular care must be taken with the following:
z Fluoroelastomers which may have decomposed as a result of being subject to high temperatures.
z Components and oil which have been contaminated with dangerous process substances.
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