KSB RPH - Page 52

✓ All dismantled parts have been cleaned and checked for wear.
✓ Any damaged or worn parts have been replaced by original spare parts.
✓ The sealing surfaces have been cleaned.
1. If applicable, guide throttling bush 542.02 onto impeller 230.
2.
Screw grub screws 904.38 into throttling bush 542.02.
3. Slide joint ring 411.32, if any, onto shaft 210.
4. Place key 940.01 into the keyway of shaft 210.
5. Slide impeller 230 onto shaft 210.
7.5.4.2 Fastening the impeller — for bearing brackets B02 to B05
✓ The notes and steps stated in (⇨ Section 7.5.1 Page 49) to (⇨ Section 7.5.4.1 Page
51) have been observed/carried out.
✓ The sealing surfaces have been cleaned.
1.
Insert lock washer 931.02.
2.
Insert new joint ring 411.31, if applicable.
3. Screw impeller nut 922.01 with threaded insert (right-hand thread) onto shaft
210.
For versions with auxiliary impeller: Screw auxiliary impeller 23-2 with threaded
insert (right-hand thread) onto shaft 210.
Observe the tightening torques. (⇨ Section 7.6.1 Page 53)
4. Bend back the lock washer.
7.5.4.3 Fastening the impeller — for bearing brackets B06 and B07
✓ The notes and steps stated in (⇨ Section 7.5.1 Page 49) to (⇨ Section 7.5.4.1 Page
51) have been observed/carried out.
✓ The sealing surfaces have been cleaned.
1. Only for versions with auxiliary impeller: Insert keys 940.03 into shaft 210. Insert
a new joint ring 411.31 into impeller 210. Guide auxiliary impeller 23-2 onto the
shaft.
2. Insert disc 550.87 and lock washer 931.02.
3.
Screw impeller screw 906 into shaft 210.
4. Observe the tightening torques. (⇨ Section 7.6.1 Page 53)
5. Bend back lock washer 931.02.
6. Insert new joint ring 411.31 into impeller 230.
For versions with auxiliary impeller: Place a new joint ring 411.59 on auxiliary
impeller 23-2. Screw impeller hub cap 260.01 onto auxiliary impeller 23-2.
7. Screw impeller hub cap 260 into impeller 230 (right-hand thread).
7.5.5 Installing the back pull-out unit
WARNING
Back pull-out unit tipping over
Risk of crushing hands and feet!
▷ Suspend or support the bearing bracket at the pump end.
✓ The notes and steps stated in (⇨ Section 7.5.1 Page 49) to (⇨ Section 7.5.4 Page
51) have been observed/carried out.
✓ Any damaged or worn parts have been replaced by original spare parts.
✓ The sealing surfaces have been cleaned.
✓ For back pull-out units without coupling, fit the coupling in accordance with the
manufacturer's instructions.
7 Servicing/Maintenance
52 of 76
RPH