Watson-Marlow Bredel 265 - Manual (Page 55)

MAINTENANCE
55
7. Fit the necessary lifting means before
dismounting the rotor. Extract the rotor (A) from
the hub. A suitable puller or similar extraction
tool will be required during this stage of the
disassembly.
8. Remove the seal (A) from the hub (B). Clean
and degrease the bore.
9. Fit a new seal using a wooden block and
hammer. Carefully hit the seal crosswise and
with equal strength in the bore until it touches
the hub. The seal must be fitted in the correct
orientation (C). Make sure that the open side
points to the pump cover.
10. Support the rotor with wooden blocks at 90° to
the spokes, with the ring (A) facing down.
Position a suitable punch against the rear of the
glued wear ring. Prevent damage to the wear
ring seat or other parts.
A
WARNING
When removing the rotor a belt or similar
lifting aid must carry the weight of the rotor.
For the specific weight of the rotor, see
§
11.1.5 .
A
C
B
A