Watson-Marlow DuCoNite 25 - Manual (Page 40)

MAINTENANCE
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10. Isolate the pump from the electrical supply.
11. Repeat the procedure for removing and fitting
this second pressing shoe by repeating steps 4
through 8.
12. Refill the lubricant. Refer to § 7.5 .
7.8.2 Replacing seal ring and bearings
1. Remove the pump hose. Refer to § 7.7.1 .
2. Isolate the pump from the electrical supply.
3. Remove the cover (B) by loosening the
retaining bolts (A).
4. Check the sealing ring (C) and replace it if
necessary.
5. Loosen the retaining bolt (A) of both pressing
shoes (B). Remove the shims (C) if present.