KSB Multitec - Dismantling the Non-Drive-End Bearings

Multitec
Fig. 7.3-1
- Pull off bearing cover 160.2 using forcing screws.
- Remove circlip 932.1 (shaft in C45) or bolt 901.2 and disc
550.7 (shaft in 1.4021 / 1.4462).
- Take out bearing sleeve 529.
- Pull out bearing cartridge 381 with its two O-rings 412.2
N.B.: The anti-torsion pin 561.1 remains in position.
Radial suction nozzle :
Fig. 7.3-2
- Undo bolts 901.3 and remove cover 160.1 with O-ring 412.3
and bearing cartridge 381 with O-rings 412.2.
- Remove circlip 932.1 (shaft in C45) or screw 901.2 and disc
550.7 (for shafts in 1.4021/1.4462)
- Take out bearing sleeve 529
- Remove disc 550.6
N.B.: The anti-torsion pin 561.1 remains in position.
Fig. 7.3-3
Rolling element bearings :
If the pump is oil-lubricated, drain the oil before dismantling.
- Unscrew bolts 901.4 or 901.9 and remove non-drive end
bearing cover 361.1 or 361.2.
- Unscrew nut 920.7 with lockwasher 931 or the nut with
castellated nut 920.6.
- pull out sleeve 520.2 with rolling element bearing 320.2.
Grease lubrication
Multitec 32 - 125 Multitec 150
Fig. 7.3-4
Oil lubrication
Multitec 32 - 125 Multitec 150
Fig. 7.3-5
13
7.3.3.1 Dismantling the Non-Drive-End Bearings
Plain bearing
The plain bearing is removed without dismantling the hydraulic
system of the pump.
Axial suction nozzle :