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III.
Refer to the Sectional Arrangement Drawing supplied with the pump to schematically view the order of
components from the bearing spacer to the impeller. For pumps to 4x3 in size the order is as follows:
•
Shaft O Ring
•
Shaft Sleeve
•
Impeller O Ring
•
Impeller
IV.
Apply anti-seize to recess in Frame Plate where the Stuffing Box will sit to assist future removal.
Remember to fit shaft O ring (and if applicable Impeller Release Collar) to the pump shaft, then fit the
Stuffing Box you have assembled to the Frame Plate, engaging Shaft Sleeve with Shaft, and tap into
position in Frame Plate with a soft mallet.
Push the Shaft Sleeve back until all components on the shaft from the bearing spacer onwards are
firmly in position.
V.
Check that all Shaft O-Rings are correctly positioned in grooves and have not been damaged during
assembly.
VI.
Fit remaining O-Rings. Using heavy grease that is compatible with the O ring material will assist
keeping the O ring in its correct location during assembly.
VII.
Ensure the shaft thread is clean and free of burrs and sharp edges. Using gloves apply anti-seize
compound liberally to Shaft thread.