ARGUS - Argus C4 Service

Comprehensive service manual for the Argus C4 camera, a mid-range rangefinder featuring a sophisticated built-in behind-the-lens shutter mechanism. This workshop repair guide provides detailed technical information on the disassembly and operation of the camera's advanced shutter system. Key sections cover removal of the shutter assembly, release and latching mechanisms, and the intricate mechanical components governing blade operation. The document thoroughly explains main drive column functionality, including the various cams, levers, and springs that control shutter blade opening and closing sequences. Dedicated sections address escapement retard variations, shutter speed adjustments, and flash synchronization timing modifications. Additional coverage includes main drive column replacement procedures, shutter blade assembly reinstallation, and leaf lever adjustment techniques. The manual features comprehensive reassembly procedures and detailed instructions for fine-tuning shutter speeds across multiple settings. Technical illustrations and black-and-white photographs accompany each procedure, enabling technicians and enthusiasts to understand the complex internal mechanisms of this classic camera model with clarity and precision. An essential troubleshooting and maintenance resource for anyone servicing or restoring the Argus C4.