I have the Cessna 400 Navomatic Autopilot Service and Parts Manual. I only have the one but will make copies if you want one. I also have many original Cessna 337 and 0-2A/B parts and service manuals for sale.
Don Nieser
Commodore Aerospace Corp
6221 Commodore Lane
Oklahoma City OK 73162
405-722-4079 phone and FAX
405-503-4686 cdell
nieser.02.337parts@juno.com