3. Secure the motor bracket. Undo the connecting elements 901.17 of the motor
bracket. Remove motor bracket 89-12.
4. Undo the connecting elements between the pump flanges and the pipes.
5. Suspend volute casing 102 from the lifting equipment and secure it.
6. Undo screwed connection 901.13/920.08 between the pump and rail 593.01.
Remove the rail.
7. Remove stud 904.02.
8. Undo screwed connection 901.12 between the pump and foot 182. Lift up the
pump and place it down in a horizontal position on a suitable surface.
7.4.3 Opening the volute casing
Fig. 27:
Opening the volute casing
✓ The pump has been placed in horizontal position on a solid and level surface.
✓ Suitably dimensioned lifting equipment is available.
1. Suspend volute casing 102 from the lifting equipment and secure it.
2.
Undo screwed connections 901.16 at seal cover 471
16)
and slide back the seal
cover.
3. Remove bolts 901.1/901.02 from the casing split flange. Separate upper casing
half 105.02 from lower casing half 105.01 with forcing screws and lift it off with
lifting equipment. Take care to lift the upper part up straight without tilting it.
4. Place the upper part of volute casing 105.02 on a clean assembly surface.
7.4.4
Removing the rotor
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