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Page 25
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Storage and disposal
B777-00-880 Issue E
6
Storage and disposal
6.1
Storage
Use the following procedure to store the pump.
1. Place protective covers over the inlet, outlet, interstage (EXT555Hi only), purge and vent ports.
2. Place the pump in its packing materials. For fastest pump-down when the pump is put back into service, seal the
pump inside a plastic bag together with a suitable desiccant.
3. Store the pump in cool, dry conditions until required for use. When required, prepare and install the pump as
described in
.
4. Avoid long-term storage if possible. When long-term storage is necessary, the pump should be set up and run for
at least eight hours every six months.
6.2
Disposal
Dispose of the EXT555H Turbomolecular Pump and any components and accessories safely in accordance with all local
and national safety and environmental requirements.
Particular care must be taken with any components which have been contaminated with dangerous process
substances.
Take appropriate action to avoid inhalation of any particulates which may be present in the pump.
Do not incinerate the pump. The pump contains phenolic and fluorosilicone materials which can decompose to very
dangerous substances when heated to high temperatures.
