Fitting the Dust Extraction Attachment (see figures A1−A2)

• Put the guide bore (13) of the rotary hammer on the housing guide (12) of the dust extraction attachment and slide the dust extraction attachment onto the rotary hammer.
  The dust extraction attachment must audibly engage. The markings on the dust extraction attachment and rotary hammer must align.

• To disconnect the attachment, press and hold the release button (8) and pull the dust extraction attachment off the rotary hammer.