Check compression

  1. Check whether the window sash closes tightly on the frame.
  2. If when closing the sash catches too tightly in the snapper, then adjust the elevating adjustment of the snapper.
    − Elevating adjustment snapper
    − Elevating adjustment connectable snapper
  3. If the sash shuts of its own accord, then adjust the brake effect on the carriage of the friction stay.
    − Adjust brake effect