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7 Servicing/Maintenance
7.5.2 Installing the bearing assembly
Oil lubrication
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ü Any damaged or worn parts have been replaced by original spare parts.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.
1. Press radial ball bearings 321.01 and 321.02 onto shaft 210.
2. Slide the pre-assembled shaft into bearing bracket 330.
3. Insert new gaskets 400.01 and 400.02.
4. Fasten bearing covers 360.01 and 360.02 with hexagon head bolts 901.01 and
901.02. Watch lip seals 421.01 and 421.02.
5. Fit thrower 507.01.
6. Insert key 940.02.
7. Fit the coupling hub on pump shaft 210. For split-hub coupling designs, fit the
hub halves on pump shaft 210. Fit and tighten the screws clamping the hub
halves together. Observe the tightening torques. (ð Section 7.6, Page 47)
8. Secure the coupling hub with a grub screw.
Grease lubrication for shaft units 25, 35, 55 (standard bearing assembly)
1
2
3
4
Fig. 16: Installing the radial ball bearing
1
Bearing bracket
3
Radial ball bearing
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ü Any damaged or worn parts have been replaced by original spare parts.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.
1. Press radial ball bearings 321.01 and 321.02 onto shaft 210.
Make sure the bearing side with the shield rests against the shaft shoulder (see
illustration: Installing the radial ball bearings).
2. Slide the pre-assembled shaft into bearing bracket 330.
3. Fit circlips 932.01 and 932.02.
4. Fit bearing covers 360.01 and 360.02.
5. Fit axial seal rings 411.77 and 411.78.
6. Insert key 940.02.
7. Fit the coupling hub on pump shaft 210. For split-hub coupling designs, fit the
hub halves on pump shaft 210. Fit and tighten the screws clamping the hub
halves together. Observe the tightening torques. (ð Section 7.6, Page 47)
8. Secure the coupling hub with a grub screw.
Etanorm FXV
2
Shield
4
Shaft
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