Vertical Kit #9467 w/ Compression Hard Line
Make sure front thumb screw is in the trigger frame before attaching vertical adapter. Align adapter with holes in trigger frame and secure with (2) screws provided. Remove rear air system adapter and power tube assembly. Install power tube assembly in new rear air adapter. Slide short angle of metal tube into the vertical fitting. Tighten compression nut with 7/16 wrench. Slide the rear air adapter into the breech, but not all the way in. Rotate vertical fitting until the tube is aligned with center of rear air adapter fitting. Push the rear adapter into place with metal tube and secure with rear thumb screw. Tighten compression nut with 7/16 wrench. Pressurize system, check for leaks. Tighten compression nuts if necessary.
Extracted from the PDF. Read the full manual above, or download it.