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If you use the liquid is not listed above, the advantages of it might damage the pump .
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If liquid flow reduced or no cleaning fluid flow from the metal hose, a foreign body may
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be stuck in the hose .
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Maintenance steps :
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Check whether the switch indicator light is lit .
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With insulation screwdriver in hand gently against the top of the motor shell,
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slight electromagnetic vibration,
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indicating current reaches the motor .
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Pull the plug from the pump fluid to remove hose .
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Unscrewed the three screws and open the front cover of the pump, remove any residue
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in the pump rotor around .
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Return to install in reverse order .