KSB SuPreme Series, Installation & Operating Manual

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7 Servicing/Maintenance
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KSB SuPremE
Protect rolling element bearings against the ingress of contamination and moisture.
7.3.2 Removing the protective roof (optional)
1. Unscrew fastening bolts of the protective roof.
2. Remove protective roof.
7.3.3 Dismantling the fan hood
1. Remove bolts of the fan hood.
2. Push the fan hood back to remove it.
7.3.4 Dismantling the fan
1. Remove the clamping screws or circlip (depending on the size).
2. Pull off the fan using a suitable tool.
7.3.5 Dismantling the rotor
CAUTION
Incorrect dismantling
Damage to the rotor core pack!
▷ Always place the rotor on suitable pedestals.
Fig. 6: Placing down the rotor
ü
Suitable pedestals are available.
ü Suitably sized lifting equipment is available.
1. Remove non-drive-end and drive-end keys and store them in a safe place.
2. Remove the bolts from the drive-end bearing cover.
3. Stand the motor housing upright (drive end up); pull the bearing cover and
rotor out of the motor housing using suitable lifting equipment and place them
down as illustrated in the drawing.
7.3.6 Dismantling the bearings
Fixed bearing at drive end
ü The rotor has been dismantled and is resting safely on suitable pedestals.
ü The keys have been removed and are stored in a safe place.
1. Remove the circlip or bearing cover plate from the bearing cover, then remove
the bearing cover.
2. Pull off the bearing using a suitable tool.
Radial bearing at non-drive end
ü The rotor has been dismantled and is resting safely on suitable pedestals.
ü The keys have been removed and are stored in a safe place.
1. Pull off the spring washer from the shaft end.
2. Pull off the bearing using a suitable tool.