4. Slide the puttied collar into the duct with the flange face cut sides entering through the cut-out notches.
5. Pull the slip collar up through the duct, so the bolts are aligned in the center of the notches and the puttied flange face presses into the inner duct surface.
8. Press the Slip Tap into position on the duct with the bolts pen- etrating through the holes in the saddle. Place the hex nuts onto the bolts and tighten saddle securely to the main duct. Clean up excess putty inside and outside of the tap connection.