Goulds Pumps 3311 - IOM - Manual (Page 23)

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Dismantle bearings in accordance with 7.4.3.1.1 b) or c)
- Release nuts 920.2
- Remove seal cover 471
- Remove balancing line
- Release bolts 914.1
- Withdraw sealing casing 441, mechanical seal 433 and
shaft sleeve 523
7.4.3.1.3. Dismantling of balancing device
Dismantle bearings in accordance with 7.4.3.1.1 b) or c)
Dismantle shaft seal in accordance with 7.4.3.1.2 a) or b)
- Pull balance disc 601 from shaft 210
- Remove key 940.3
- Dismantle balance disc seat 602
- Pull balance drum 603 from shaft 210
7.4.3.1.4. Dismantling of hydraulic unit
Dismantle bearings in accordance with 7.4.3.1.1 b) or c)
Dismantle shaft seal in accordance with 7.4.3.1.2 a) or b)
Dismantle balancing device in accordance with 7.4.3.1.3
- Remove key 940.2
- Release nuts 920.1
- Remove tie bolts 905
- Support stage casing 108.1
- Dismantle delivery casing 107
- Remove, from stage to stage, impeller 230, key 940.1,
stage casing 108.1 with diffuser 171.1, in that order