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OVERHAUL
Figure 1. E501 Volute Body Removal
Figure 2. E511 Volute Body Removal
Remove (4) hex head screws from the pump volute body.
Slide the volute body off the gear case cover. Wear ring
will come off with volute. Remove if required.
The engine and control panel are shown removed for
clarity.
Remove the (4) hex nuts and lock washers
attaching the volute body to the gear case cover.
Wear ring will come off volute. Remove if
required.
The engine and control panel are shown removed for
clarity.
Figure 4. E501 Impeller and Mechanical Seal Removal
IL1920
1. Remove impeller nut and washer from the impeller shaft.
If the impeller does not pull off the impeller shaft easily,
use a gear puller or two pry bars between the impeller and
adapter. Remove the impeller key. Remove mechanical
seal assembly from impeller hub. The stationary seal ring
will remain with the gear case cover.
2. Drain oil from gear case.
