Waterous E500 Series, Инструкции по эксплуатации, техническому обслуживанию и ремонту

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PUMP OVERHAUL
E501-C Impeller and Mechanical Seal Removal
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.
E501-C Volute Body Removal E511-C Volute Body Removal
Hex Nut, 7/16-20
Lock Washer, 7/16 in. Lock Washer, 7/16 in.
Hex Nut, 7/16-20
Hex Hd Screw, 7/16-20 x 2-3/4 in.
Hex Hd Screw, 7/16-20 x 3 in.
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.