NOTE
Bearing brackets P08sx/P10ax/P12sx only
▷ Remove V-ring 411.77.
▷ Undo socket head cap screws 914.01.
▷ Remove bearing cover 360.01 with gasket 400.01, disc 507.11 and O-ring 412.36.
8. Use grub screws 904.01 (bearing brackets P08sx/P10ax/P12sx: forcing screws
901.91) to carefully drive shaft 210 with bearing carrier 382, angular contact ball
bearing 320.02 and the inner ring of cylindrical roller bearing 322.01 out of
bearing bracket 330 towards the drive end.
9.
Place shaft 210 with angular contact ball bearing in a suitable location.
10. Remove support disc 550.23 and circlips 932.01/932.03.
11. For bearing brackets P08sx/P10ax/P12sx: Remove V-ring 411.78.
12. Remove the outer ring of cylindrical roller bearing 322.01 (roller cage) from
bearing bracket 330.
13. Pull bearing carrier 382 with O-ring 412.02 and shaft seal ring 421.01 off angular
contact ball bearing 320.02.
14. Bend open lockwasher 931.01.
15. Undo locknut 920.21 (right-hand thread!).
16. Remove lockwasher 931.01.
17. For bearing brackets P08sx/P10ax/P12sx: remove disc 507.12.
18. Heat up angular contact ball bearing 320.02 and the inner ring of cylindrical
roller bearing 322.01 to 80 °C, and pull them off shaft 210.
7.4.8 Removing the wear plate
✓ The notes and steps stated in (⇨ Section 7.4.1 Page 50) to (⇨ Section 7.4.7 Page
53) have been observed/carried out.
1.
Undo hexagon head bolts 901.03 or socket head cap screws 914.05.
2. Remove joint rings 411.13.
3. Remove wear plate 135.01 with O-rings 412.25/412.75.
7.5 Reassembling the pump set
7.5.1 General notes/Safety regulations
CAUTION
Improper reassembly
Damage to the pump!
▷ Reassemble the pump (set) in accordance with the general rules of sound
engineering practice.
▷ Use original spare parts only.
Always reassemble the pump in accordance with the corresponding general assembly
drawing. (⇨ Section 9.1 Page 71)
▪ Gaskets
–
Always use new gaskets, making sure that they have the same thickness as
the old ones.
– Always fit gaskets of asbestos-free materials or graphite without using
lubricants (e.g. copper grease, graphite paste).
▪ O-rings
– Never use O-rings that have been glued together from material sold by the
metre.
Sequence
Seal elements
7 Servicing/Maintenance
54 of 78
KWP
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