Oase AquaMax Eco Premium 4000 Operating Instructions Manual page 32

Cleaning/replacing the impeller unit
• Dismantle the pump as shown in the figure.
• Use a brush under clear water to clean the components.
• Check all components for damage. Replace damaged or worn components.
• Assemble the pump in reverse order.

When the impeller is pulled out, the radial bearing in the motor housing may come loose.
During reassembly, check that it is positioned correctly. If necessary, push the radial bearing
into the motor housing with the wide grooves first.
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AMX0154