FUJICA - Fujinon 19mm f35 Repair

Complete technical repair manual and parts catalog for the EBC FUJINON-W 3.5/19mm interchangeable lens designed for Fuji ST701, ST801, and ST901 camera bodies. This comprehensive guide provides detailed instructions for disassembly, repair, and maintenance operations. The first section covers complete disassembly procedures: mount ring removal, aperture/helicoid assembly separation, with dedicated subsections for aperture and helicoid component disassembly. An extensive exploded-view technical diagram identifies all numbered components throughout the lens assembly. The second section addresses repair and adjustment procedures: flangeback distance adjustment, aperture tuning (time lag compensation, pin height and resistance, oil residue removal, aperture seat conditioning), helicoid mechanisms, aperture selector ring, and aperture transmission pin operations. The third section contains a comprehensive parts list with complete component identification numbers and references. All procedures feature step-by-step instructions with specific screw counts, component references, and assembly sequences. The manual includes detailed technical specifications and adjustment parameters required for proper lens operation. Essential reference material for optical technicians and specialized repair professionals working with vintage photographic equipment.