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Goulds Pumps 3311 - IOM User Manual

Page 22

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b) Anti-friction

bearing,

- oil-lubricated – drive side
- without lift-off device -



- If installed - remove cooling and/or circulation line
- Remove key 940.5
- Release bolts 914.5
- Remove bearing cover 360.1 with labyrinth ring 423.2

and limiting ring 380

- Release grub screw 904.2
- Remove circlip 932.2
- Support shaft 210 and key 940.5, and release shaft nut

921

- Release bolts 914.2
- Withdraw bearing housing 350.1, labyrinth ring 423.1,

bearing 322 and bearing sleeve 529.2

- Remove key 940.4


c) Anti-friction

bearing,

- oil-lubricated - drive side
- with lift-off device -


- If installed - remove cooling and/or circulation line
- Remove key 940.5
- Remove suction side bearing cover 160.1 as described

under a) for axial or radial suction nozzle

- Fix shaft 210 axially on the suction side
- Release bolts 914.5
- Remove bearing cover 360.1 with labyrinth ring 423.2

and limiting ring 380

- Compress spring 950 by moving bearing carrier 382
- Remove circlip 932.3
- Remove bearing 321
- Release bolts 914.4
- Remove bearing housing 350.2 with bearing carrier

382 and spring 950

- Release grub screw 904.1
- Release bearing sleeve 529.3
- Remove circlip 932.2
- Pull spacer sleeve 525 from shaft 210
- Release bolts 914.2
- Withdraw bearing housing 350.1, labyrinth ring 423.1,

bearing 322, bearing sleeve 529.2

- Remove key 940.4

7.4.3.1.2. Dismantling of shaft seal


a)

Stuffing box packing



Dismantle bearings in accordance with 7.4.3.1.1 b) or c)

- Release nuts 920.2
- Slide back the stuffing box gland 452
- Remove packing rings 461
- Remove balancing line
- Release bolts 914.1
- Dismantle sealing casing 441
- Withdraw shaft wearing sleeve 524

b) Mechanical

seal