Assembled L & R canopy rollers. Drilled C-661 slider for clevis pin and cotter pin. Counterbored for recessed clevis and cotter pin. Filed WD-640H anchor pin for 3/32" clearance on the flat. Aligned canopy rails and spread front bow to proper size. Clamped rails in place and drilled forward four holes Removed frame and bent rear bow down to achieve a 3/4" gap to top of slide cap.