Slurry Pump
WH18IRMAAA1EN_01A.DOC JAN 04-W25
Care and maintenance
1/2
9.5.2 Hydraulic parts and frame - dismantling and fitting
(iii) Impeller Release Mechanism (IRM) – type-1
An IRM (a) is fitted behind the shaft sleeve (b) to ease removal of the impeller during
maintenance and repair. Removing this mechanism releases the tightening torque on the
impeller. See Figure 9.5.2-i.
Figure 9.5.2-i Using impeller release mechanism (typical) eases impeller removal
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