WDM PI Operation Manual page 27

PI Operation Manual
3. Introduce the shaft inside the impeller until it reaches the step on the shaft.
Figure 6.3 Introducing the shaft inside the impeller until it reaches the step on the shaft.
4. Place the impeller lockwasher into the shaft's impeller side.
Figure 6.4 Placing the impeller lockwasher into the shaft's impeller side.
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