Bosch BSG 81266CH Notice D'utilisation page 21

Setting up en
Insert the suction hose connector into the suction
opening until it engages.
Push the handle into the telescopic tube until it
engages.
Push the telescopic tube into the connecting piece of
the floor nozzle until it engages.
Press the adjusting sleeve in the direction of the
arrow and adjust the telescopic tube to the length
required.
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