Canon Rangefinder Lenses Exploded Views with Parts Lists Manual.  There are no repair instructions just exploded views and parts listings.

Lenses shown: 

25mm F3.5, 28mm F2.8, 28mm F3.5, 35mm F1.8, 35mm F2.8, 50mm F1.2, 50mm F1.5, 50mm F1.8 Models I & II, 50mm F2.8, 50mm F3.5 collapsible, 85mm F1.5, 85mm F1.9, 100mm F3.5, 135mm F3.5, Universal Viewfinder.

Reprint of the factory manual, 56 pages printed on white paper, 8-1/2"x11" (210x278mm) format. Features heavyweight card stock covers, clear plastic protective overleaf and a plastic comb binding.

***This Manual Reprint is for information purposes only. We do not guarantee successful repair or operational outcomes. We are not a repair shop and cannot provide repair advice or tell you where to locate parts or tools.