Pfpe-Prepared Em Pumps; Summary; Installation; Operation - Edwards E1M18 Instruction Manual

8

PFPE-prepared EM pumps

8.1

Summary

If you have ordered a PFPE-prepared EM pump, the pump will be supplied prepared for use with Edwards PFPE
mechanical pump oils, such as Fomblin YVAC 06/6 and Krytox 1506.
PFPE-prepared EM pumps are suitable for pumping high concentrations of oxygen.
We recommend that you refer to Edwards publication P300-20-000 (Vacuum pump and Vacuum System Safety) before
you install and use a PFPE-prepared EM pump.
8.2

Installation

Never use hydrocarbon lubricants in a PFPE-prepared pump.
Installation of a PFPE-prepared EM pump is as specified in
8.3

Operation

PFPE-prepared EM pumps are suitable for pumping high concentrations of oxygen, but we
recommend that you do not use a PFPE-prepared EM pump for the pumping of hazardous materials.
Operation of a PFPE-prepared EM pump is as specified in
8.4

Maintenance

Obey the safety instructions given below and take note of appropriate precautions. If you do not,
you can cause injury to people.
Take additional care if you suspect that the pump (and hence the PFPE oil) has overheated.
Do not touch or inhale the thermal breakdown products of PFPE oil, which may be present, if the pump has
been heated to 260 °C and above. PFPE oils are safe in normal use but can decompose into very dangerous
substances if they are heated to 260 °C and above. The pump may have overheated if it was misused, if it
malfunctioned, or if it was in a fire. Material Safety Data Sheets for PFPE oils used in the pump are available
on request: contact your supplier or Edwards.
Fomblin oil has different properties from other pump oils, therefore:
If you fill your PFPE-prepared EM pump with Fomblin oil, we recommend that you regularly check for oil
leaks, particularly around the shaft seals.
If you detect an oil leak, contact your supplier or Edwards for advice.
© Edwards Limited 2011. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
CAUTION
Section 3, but take note of the caution above.
WARNING
Section 4, but take note of the warning above.
WARNING
A343-10-880 Issue P
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