KSB Magnochem-Bloc, Installation & Operating Manual

Page: 61 / 96

7 Servicing/Maintenance
61 of 96
Magnochem-Bloc
NOTE
If fluid temperatures exceed 200 °C, the bearing bushes must be mounted by shrink
fitting. Heat the components the bushes are to be mounted in to approx. 250 °C
and press in the bearing bushes.
ü
It has been checked whether the bearing components can be easily mounted on
the shaft.
ü The individual parts have been placed in a clean and level assembly area.
ü
All dismantled parts have been cleaned and checked for wear.
ü Any damaged or worn parts have been replaced by original spare parts.
ü The sealing surfaces have been cleaned.
CAUTION
Incorrect positioning of the groove in the bearing bushes (545.21, 545.22) relative
to casing cover 161 or bearing ring carrier 391
Damage to the pump!
Damage to plain bearings or magnetic coupling!
▷
Before pressing it into place, position bearing bush (545.21, 545.22) relative to
the casing cover or bearing ring carrier as per the specifications.
CAUTION
Improperly pressed in bearing bushes (545.21, 545.22)
Damage to the pump!
Damage to plain bearings or magnetic coupling!
▷ When pressing the bearing bushes into place, insert a gasket between the
pressing device and the bearing bush.
▷ Press the bearing bushes into place parallel to the axis until they will not go any
further. The bearing bushes must not tilt.
▷ Check the face run-out at the bearing bushes. Maximum permissible face run-
out: 0.02 mm.
1. Insert locking element 500.61 into casing cover 161 and position the opening of
locking element 500.61. ( ð Section 9.3, Page 88)
2. Press bearing bush 545.21 into casing cover 161. Observe the position of the
groove in bearing bush 545.21. (
ð
Section 9.3, Page 88)
Fig. 18: Checking the face run-out of the bearing bush relative to the casing cover
3. Check the face run-out of bearing bush 545.21. Maximum permissible face run-
out: 0.02 mm.
4. Insert locking element 500.62 into bearing ring carrier 391 and position the
opening of locking element 500.62. ( ð Section 9.3, Page 88)