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A746-02-885 Issue A
Page 26
© Edwards Limited 2010. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Maintenance
Figure 20 - Scheme pump head with head covers
Figure 21 - Scheme pump head with head covers and valves
6. Position housing cover.
7. Move housing cover slightly to make sure that the head covers are correctly positioned.
8. Screw in six socket head screws fixing housing cover crosswise first slightly, then tighten.
Note:
Do not tighten until head cover is in contact with housing,
max. torque 6 Nm
.
1. Valves at the outlet (round
centred opening under valve)
2. Valves at the inlet
(kidney-shaped opening beside valve)