A705-74-880 Issue K
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TECHNICAL DATA
2.4 Lubrication system
The Edwards Material Safety Data Sheets for the recommended oil referenced in the sections below are available
upon request.
2.4.1 Gearbox
Gearbox oil capacity:
Recommended oil for pump in standard configuration;
Mobil SHC629 Antiwear Synthetic Gear Oil
Recommended oil for pump operating between 122 to 194°F (50 to 90°C) case temperature;
Mobil SHC630 Antiwear Synthetic Gear Oil
Recommended perfluoropolyether oil:
Drynert 25/6
Fomblin Y25/6
Krytox 1525
2.4.2 High vacuum bearings
Oil box capacity:
Mobil SHC629 Antiwear Synthetic Gear Oil
Recommended oil for pump operating between 122 to 194°F (50 to 90°C) case temperature;
Mobil SHC630 Antiwear Synthetic Gear Oil
2.5 Area classification in accordance with BS 5345
Particular caution should be exercised when working with Fomblin oil that may have been exposed
to temperatures above 260°C. Refer to the Edwards Materials Data Sheets for detailed
information.
Minimum 1.4 litres
Maximum 1.9 litres
Minimum 1.1 litres
Maximum 1.2 litres
Standard pumps Safe Area designation only
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