Watson-Marlow Bredel 40 - Manual (Page 38)

MAINTENANCE
38
11. Isolate the pump from the electrical supply.
12. Repeat the procedure for removing and fitting
this second pressing shoe by repeating steps 4
through 9.
13. Refill the lubricant. Refer to § 7.4 .
7.7.2 Replacing seal and wear ring
1. Remove the pump hose. Refer to § 7.6.1 .
2. Isolate the pump from the electrical supply.
3. Use lifting hole (D) to move the cover. Remove
the cover (B) by loosening the retaining bolts
(A). Check the sealing ring (C) of the pump
cover for damage.
4. Remove the retaining bolts (A) of the drive shaft
(B) and remove the drive shaft. Check the
sealing ring (C) for damage.
5. Remove the rotor retaining circlip (A), which
locks the rotor on the hub. Use the correct tools
to do this.
If the drive shaft cannot be removed manu-
ally, use a screwdriver in the slots in the
rotor provided for this purpose.