© Edwards Limited 2008. All rights reserved. Page 31
Edwards and the Edwards logo are trademarks of Edwards Limited.
Maintenance
A313-01-880 Issue A
5.7.2 Non-drive end cover
1. Refer to Figure 2. Carefully remove the oil filler-plug (8) from the filler port on the top of the
non-drive end cover (9): refer to the Warning at the start of Section 5.7.
2. Place a suitable container under the oil drain plug (15) on the non-drive end cover (9). 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 non-drive end cover (9).
5. Dispose of the oil: refer to Section 6.2.
6. Fill the non-drive end cover with new oil of the correct type and grade: refer to Section 5.5.2.
5.8 Overhaul the pump
The HV pump must be regularly overhauled, as specified in Table 11. As part of the overhaul, the bearings in the
pump must be replaced. The pump seals and the motor coupling insert should also be replaced.
If you have a safe area HV pump, we recommend that you contact your supplier or Edwards to arrange for an overhaul
of the pump, unless you are specifically approved and authorised to perform this work yourself.
5.9 Fault finding
A guide to fault conditions and their possible causes is provided in Table 12 to assist you in basic fault finding.
If you are unable to rectify a fault when you use this guide, call your supplier or your nearest Edwards Service Centre
for advice.
Note: If you have been approved to carry out strip-down, repair and reassembly of your pump, refer to the Service
Manual supplied separately for detailed procedures.
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