Bosch BSG71466 Instruction Manual page 13

When the work is done en
To remove the flexible hose, press the release
button and pull the hose out.
To release the connection, push on the locking
collar and pull the handle out.
Push on the locking collar and pull out the
telescopic tube to disconnect.
Press the adjusting sleeve in the direction of the
arrow to release the telescopic tube and slide it
together.
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