A313-01-880 Issue A
Page 30 © Edwards Limited 2008. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Maintenance
5.6 Inspect the system installation
Note: Where possible, we recommend that you investigate the cause of any damage or corrosion, and implement
corrective measures to prevent any future damage of components.
Use the following procedure to inspect the system connections:
1. Inspect all of the system pipelines and connections and check that they are not damaged or corroded and that
they are sufficiently leak-tight. Repair or replace any damaged or corroded component and seal any leak found.
2. If you have installed a drive/transmission system, inspect the drive/transmission system and adjust, repair or
replace as necessary: refer to the manufacturer’s instructions supplied with your drive/transmission system.
3. Inspect all of the cooling-water pipelines and connections and check that they are not damaged or corroded and
that they do not leak. Repair or replace any damaged or corroded component and seal any leak found.
4. Inspect all of the electrical cables; check that they are not damaged and have not overheated. Replace any
cables that are damaged or have overheated. Check that all of the electrical connections are secure; tighten any
loose connections.
5.7 Change the oil
5.7.1 Drive end cover
1. Refer to Figure 2. Carefully remove the oil filler-plug (4) from the filler port on the top of the drive end cover
(2): refer to the Warning at the start of Section 5.7.
2. Place a suitable container under the oil drain plug (15) on the drive end cover (2). The container must have a
maximum capacity as specified in Table 5.
3. Remove the oil drain plug (15) from the end cover, and allow the oil to drain from the end cover into the
container.
4. Refit the oil drain plug (15) to the drive end cover (2).
5. Dispose of the oil: refer to Section 6.2.
6. Fill the drive end cover with new oil of the correct type and grade: refer to Section 5.5.1.
The end covers will be under vacuum. To remove an oil filler-plug, undo it slowly until the vent
hole is visible, allow the pressure in the end-cover to rise to atmospheric pressure, then fully undo
and remove the oil filler-plug. If you do not, hot oil may be ejected from the end cover and cause
injury.
Ensure that you do not come into contact with the used pump oil. The end-cover oil may be hot
and can cause injury.
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