9.
Mark and remove the shims from under the frame foot and save them for reassembly.
10. Remove and discard the casing gasket.
You will insert a new casing gasket during reassembly.
11. Remove the jackscrews.
12. Clean all gasket surfaces.
Clean surfaces prevent the casing gasket from partially adhering to the casing due to binders
and adhesives in the gasket material.
6.4.6 Remove the coupling hub
1.
Clamp the frame adapter securely to the workbench.
2.
Remove the coupling hub.
Mark the shaft for relocation of the coupling hub during reassembly.
Figure 34: Coupling hub removal
6.4.7 Remove the impeller
WARNING:
•
Risk of severe physical injury or death from explosion of trapped liquid. Never use
heat to remove parts unless explicitly stated in this manual.
•
Risk of serious physical injury or equipment damage. Pump and components are
heavy. Ensure all equipment is properly supported while working. Wear appropriate
Personal Protective Equipment (PPE, such as steel-toed shoes, gloves, etc.) at all
times.
CAUTION:
Risk of physical injury from sharp edges. Wear heavy work gloves when handling impellers.
1.
If the impeller has back vanes, note the axial clearance (a) between the impeller (230) and the
casing cover (161).
230
161
a
Figure 35: Back clearance check
2.
Secure the rotor at the coupling end and loosen the impeller nut (922) (right-threaded).
3.
Remove the impeller (230) with two screwdrivers or pry bars.
6.4 Disassembly
70
Model IC, ICI, ICH, ICIH Installation, Operation, and Maintenance Manual
Содержание Goulds Pumps IC
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