Nevir NVR-5123A Manual De Instrucciones página 16

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IV. How to use
1. Preparation
(1) Let the end of the hose insert into the air intake socket until clicking
position.
(2) After using, push the button on the hose and pull the end out.
(3) Fit the extension tube to the handle, tube and tube to floor brush as
showing in the picture.