NIKON - nikon camera r8 10

Complete service manual for the Nikon R8 Super Zoom 8mm cinema camera, model 8KB. This workshop repair guide covers disassembly, component replacement, adjustment, and functional testing procedures required to maintain and repair this precision instrument. The documentation is organized into four chapters addressing the complete repair workflow. The first chapter handles replacements, readjustments, and repairs across optical systems including lens group replacement, film drive mechanisms, footage counter, electric eye exposure control, slow-motion film changeover, power zoom assembly, shutter blade opening, running speed dial, automatic ASA film speed setting, filter changeover, and troubleshooting of electronic flash and tape recorder terminal connections. The second chapter presents detailed disassembly methodologies for the large cover, small cover, front cover, top cover, front operating plate, grip assembly, lens casing, electric eye holder, and intermediate casing, with comprehensive technical cautions and safety guidelines. The third chapter documents inspection and testing procedures including electrical conduction and insulation checks, motor driving operation, focusing accuracy, parallax and infinity coincidence for split images, electric eye accuracy, and film changeover operation. The fourth chapter establishes reference standards and specifications for repair work. Twenty-four detailed technical illustrations support all procedures throughout the manual.