SMARTBOT Robust 2800 Instruction Manual page 11

Volute and Impeller Cleaning
Unplug the pump.
Remove the 6 screws shown in the figure below.
Remove the volute and clean the impeller and volute of all debris.
Reposition the cork gasket using the alignment features, preventing any possible
obstruction of the pump's discharge openings.
Reinstall the volute with caution. Do not overtighten or strip screws or screw bosses.
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