KSB ILN, Operating Manual

Page: 62 / 92

7 Servicing/Maintenance
62 of 92
ILN / ILNC / ILNR
5211.8/08-EN
7.5.4.4 Installing the back pull-out unit
ü The notes and steps stated in ( ð Section 7.5.1, Page 53) and
( ð Section 7.5.4.1, Page 60) to ( ð Section 7.5.4.3, Page 61) have been observed/
carried out.
ü Any damaged or worn parts have been replaced by original spare parts.
ü The sealing surfaces have been cleaned.
1. If required, suspend or support the back pull-out unit to prevent it from tilting.
2. Insert casing wear ring 502.1 into volute casing 102.
3. Insert the back pull-out unit into volute casing 102.
4. Mount drive lantern 341.
5. Tighten nuts 920.3. Observe the tightening torques. (
ð
Section 7.6, Page 62)
7.5.4.5 Installing the coupling
ü The notes and steps stated in ( ð Section 7.5.1, Page 53) and
( ð Section 7.5.4.1, Page 60) to ( ð Section 7.5.4.4, Page 62) have been
observed/carried out.
1. Fit the pump-end coupling half on pump shaft 210.
2. Fit the drive-end coupling half on the motor shaft.
3. Insert the teeth of the pump-end coupling half into the flexible coupling
elements of the drive-end coupling half .
After the motor has been mounted, ( ð Section 7.5.4.6, Page 62) the coupling must
be aligned. ( ð Section 5.5, Page 30)
7.5.4.6 Mounting the motor
ü The notes and steps stated in ( ð Section 7.5.1, Page 53) and
(
ð
Section 7.5.4.5, Page 62) to (
ð
Section 7.5.4.5, Page 62) have been
observed/carried out.
1. Place the motor on drive lantern 341.
2. Tighten hexagon head bolts 901.1.
3. Align the pump and motor. ( ð Section 5.5, Page 30)
7.6 Tightening torques
7.6.1 Tightening torques for ILN/ILNC
Table 17: Tightening torques for bolts, screws and/or nuts
Thread Steel Stainless steel
Tightening torques
[Nm]
M4 3,1 2,15
M5 6,1 4,25
M6 10,4 7,3
M8 25,2 17,7
M10 49,5 34,8
M12 85,2 59,9
M16 211 148
M20 412 290
M24 710 500
M27 1050 750
M30 1420 1000