7 Servicing/Maintenance
93 of 116
CHTRa
7.4.4 Installing the rotor
1. Insert key 940.02 of balance drum 603.01 into the shaft.
2. Heat balance drum 603.01 as described.
3. Slide balance drum 603.01 onto the shaft so that it sits behind the shaft groove
viewed from the shaft end.
4. Fit thrust ring 501.02, ensuring that thrust ring 501.02 sits firmly in the shaft
groove without any clearance.
5. Pull balance drum 603.01 towards the shaft end until it abuts thrust ring 501
without any clearance.
6. Slide neck bush 456.01 onto shaft 210 from the drive end.
7. Slide neck bush 456.02 onto shaft 210 from the non-drive end.
7.4.5 Fitting the rotor
1. Insert parallel pins 562.01/562.02 into the lower half of the pump casing.
2. Attach the rotor to the lifting equipment. See section lifting equipment in the
manual.
3. Place rotor into the lower casing half. During this process, ensure that the
grooves of neck bushes 456.01/456.02, balance bush 605.01, casing wear rings
502.01/502.02, bearing bush 545.01 and interstage bushes 541.01 are facing
downward in the direction of the lower casing half.
7.4.6 Preparing the casing gasket
DANGER
Improperly prepared casing gasket
Risk of pressurised fluids escaping!
Risk of ring seats eroding!
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Ensure that all cuts are neat and exact, especially on internal casing edges.
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The casing gasket must be clean and flush with upper casing half and lower
casing half 105.01/105.02.
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Cut away protruding gasket material after tightening the cap nuts.
Recommended gasket
material
Manufacturer: Klinger, Klingersil C-4500 (0.5 mm thickness)
