KSB CHTRa, Инструкция по установке и эксплуатации

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7 Servicing/Maintenance
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CHTRa
7.3.7.1 Dismantling the bearings - Preparations
1. Prior to dismantling, drain the oil fill of the bearing housings.
2. Dismantle the oil supply pipes as far as necessary.
3. Dismantle measuring instruments as far as necessary and store properly.
4. If available, remove hexagon head bolts 901.05, discs 550.14 to dismantle
bearing guard 680.03.
7.3.7.2 Removing the non-drive-end thrust bearing (for models with rolling element
bearing only)
1. Unscrew cheese head screws 900 on fan hood 832.01 and remove fan hood
832.01.
2. Undo circlip 932.
3. Pull fan impeller 831.01 off shaft 210.
4. Remove key 940.06 and spacer sleeve 525.02.
5. Remove hexagon head screws 901.04.
6. Slide bearing cover 360.02 with labyrinth ring 423.02 and clamping element
81-51 towards the pump end.
7. Remove clamping element 81-51.
8. For pump assembly, record the thickness of clamping element 81-51.
9. Undo and remove hexagon head screws 901.05 of bearing cover 360.03.
10. Dismantle bearing cover 360.03, labyrinth ring 423.04 and O-ring 412.03.
11. Bend open lock washer 931.02.
12. Remove slotted round nut 920.03.
13. Remove lock washer 931.02.
14. Pull oil thrower 508.02 off the shaft.
15. Screw eyebolt (M8) into bearing housing 350.02 and attach to suitable lifting
equipment (e.g. overhead crane).
16. Loosen adjusting screws 901 on the bearing housing and remove taper pins 560.
CAUTION
Improper lifting of bearing housings
Damage to the shaft!
Always ensure that the hexagon head screws are loosened before taking up the
slack when lifting.
17. Undo and remove hexagon head screws 901.03.
18. Lift bearing housing 350.02 using lifting equipment.
19. Set down bearing housing 350.02 and secure against rolling away.
20. Use a puller to remove angular contact ball bearings 320.02 from shaft 210.
21. Remove spacer sleeve 525.02.
7.3.7.3 Removing the drive-end radial bearing
1. Remove hexagon head screws 901.02.
2. Screw eyebolt (M8) into bearing housing 350.01 and attach to lifting equipment
(e.g. overhead crane).
3. Loosen adjusting screws 901.03 on the bearing housing and remove taper pins
560.