I measured the Meske canopy roller weldments for the position of the roller screws and drilled the weldments. I cleaned up the edges of the weldments and rounded off the bottom edges. I screwed the weldments to the rollers and positioned them in the tracks. I placed the canopy frame in place and rolled the frame to the full aft position. I marked the aft rail for the position of the center frame bracket for the position of trimming the sides of the rail. This will allow the canopy to be tilted. The rail was removed, the sides were trimmed, and the aft end of the rail was angled. The rail was rescrewed to the fuselage and the canopy can now be released from the center rail and tipped forward.