ZEISS IKON - Zeiss Ikoflex 1 2 3 Service

This comprehensive service manual provides detailed repair and maintenance procedures for Zeiss Ikoflex I b and I c cameras. The document covers precise instructions for disassembly and component exchange of optical and mechanical assemblies, including the viewfinder with light hood, Fresnel lenses and diffusion screens, shutter release mechanism, frame counter and film advance lock. Instructions encompass complete dismantling of the viewing head assembly, mirror access, inspection and replacement of optical elements such as the Tessar lens and viewing components. The manual describes the detailed operation of the shutter release mechanism and locking system, explaining interactions between levers, springs and ratchet wheels that control film advancement and exposure sequences. Each section provides exact spare parts references (catalog numbers), required tools and essential precautions for handling sensitive optical surfaces. The document includes a dedicated section on the film counter and key knob mechanism, detailing the cam-operated ratchet wheel system that manages frame counting and film advance blocking. Designed for qualified technicians, this guide is essential for any professional service intervention on these prestigious camera models.