7 Servicing/Maintenance
48 of 72
Sewatec (60 Hz)
7.4.6 Removing the mechanical seals
210
163
433.02
515 / 932.03
433.01
330
Fig. 17:
Removing the mechanical seals
7.4.6.1 Removing the pump-end mechanical seal
ü
The back pull-out unit and the impeller have been removed as described above.
1.
Pull the rotating assembly of mechanical seal 433.01 off shaft 210.
2.
Remove discharge cover 163 from bearing bracket 330.
3.
Press the stationary seat of mechanical seal 433.02 out of discharge cover 163.
7.4.6.2 Removing the drive-end mechanical seal
ü
The back pull-out unit and the impeller have been removed as described above.
1.
Remove locking ring 515 or circlip 932.03.
2.
Pull the rotating assembly of mechanical seal 433.01 off shaft 210.
7.4.6.3 Removing the KSB double cartridge seal
500
101-47
914.52
433
Fig. 18:
Removing the KSB double cartridge seal