© Edwards Limited 2008. All rights reserved. Page 9
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Operation
A462-26-880 Issue F
4 Operation
z Refer to Figure 1. Check the oil level in the filter regularly. Remove the drain plug (4) to drain the oil from
the filter when the level reaches the maximum mark (13) on the oil-level sight panel. The rate of oil
collection depends on your rotary pump and your process application.
z If you need to drain the filter very frequently, or if you want to reduce the amount of oil you use, fit an oil
drain kit accessory: refer to Section 7.