AGFA - Agfa Karat 1936 CLA

Comprehensive technical guide for complete overhaul and lubrication (CLA) of the AGFA Karat 3.5 camera system fitted with a 1936 Compur-Rapid rim-set shutter mechanism. This manual delivers detailed procedural documentation for disassembly, cleaning, and restoration of this historically significant medium-format camera. The guide is organized into four primary sections: preliminary examination and camera dismantling to access the shutter assembly, complete disassembly of the Compur-Rapid mechanism with annotated step-by-step photography, cleaning and lubrication protocols for shutter blades, operating ring, springs, and escapement components, and systematic reassembly procedures. The documentation covers critical positioning of the retard mechanism, reinstallation of main and secondary springs, proper seating of lever assemblies, and verification of shutter speed functionality. A final testing section documents shutter speed verification using precision testing equipment, film loading into proprietary AGFA Rapid film holders, development of test negatives using standard black-and-white chemistry, and scanning of processed negatives. Essential for camera restoration specialists, horological technicians working with mechanical shutters, and vintage photography enthusiasts undertaking hands-on restoration projects.