7 Servicing/Maintenance
38 of 62
Etanorm V
1228.87/01-EN
4. Lock shaft 210 with bolts 901.57. Lock bolts 901.57 with nuts 920.75.
5. Undo hexagon socket head cap screw 914.24 of locking ring 515 and remove
nuts 920.11 at the motor flange.
6. Remove the motor.
7.4.5 Removing the riser
ü
The notes and steps stated in (
Section 7.4.4, Page 37) have been observed/carried out.
1. Remove nuts 920.34/920.19 and bolts 901.11/901.39.
2. Remove riser 711.
3. Remove gaskets 400.06/400.16.
7.4.6 Removing the volute casing and support column
Clamped casing cover 161 - combination see
ü
The notes and steps stated in (
Section 7.4.5, Page 38) have been observed/carried out.
1. Undo and remove nuts 920.14/920.06.
2. Undo and remove volute casing 102 with tie bolts 905.
3. Remove impeller nut 920.95 with disc 550.95 (shaft unit 25 only), safety device
930.95 and impeller 230.
Support column 712 has to remain in the locating fits of drive lantern 341 and
casing cover 161.
4. Undo bolts 901.57 to unlock the shaft coupling.
CAUTION
Improper dismantling/installation
Damage to the plain bearing parts!
▷
Take appropriate care when removing/installing shock-sensitive SiC plain
bearing parts (bearing sleeve, bearing bush in the bearing cartridge).
5. Remove the shaft with SiC bearing sleeve 529.16.
6. Separate casing cover 161, support column 712, cover plate 68-3.01 and drive
lantern 341.
Bolted casing cover 161 - combination see
ü
The notes and steps stated in (
Section 7.4.5, Page 38) have been observed/carried out.
1. Undo and remove nuts 920.01.
2. Remove volute casing 102.
3. Remove impeller nut 920.95 with disc 550.95 (shaft unit 25 only), safety device
930.95 and impeller 230.
4. Undo bolts 901.57 to unlock the shaft coupling.
CAUTION
Improper dismantling/installation
Damage to the plain bearing parts!
▷
Take appropriate care when removing/installing shock-sensitive SiC plain
bearing parts (bearing sleeve, bearing bush in the bearing cartridge).
5. Remove shaft 210 with SiC bearing sleeve 529.16.
6. Undo and remove nuts 920.14/920.06.
Summary of Contents for Etanorm V
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