Zorki 4 Repair Manual complet

Comprehensive repair and restoration manual for the Zorki 4 rangefinder camera, providing complete step-by-step instructions for disassembly and reassembly of this classic Soviet rangefinder. This workshop manual guides you through removal of the top cover (winding knob, flash sync dial, shutter speed dial, release button), access to internal mechanisms (flash sync unit, slow speed escapement, shutter mechanism, speed selector, rangefinder assembly), and full shutter disassembly including the shutter crate, curtains, and drum. The service manual includes detailed cleaning and lubrication procedures essential for restoring proper function. Critical sections address rangefinder calibration (vertical and horizontal alignment), shutter speed adjustment, self-timer mechanism adjustment, flange distance verification, and other key performance parameters. A comprehensive troubleshooting guide helps diagnose common issues, while technical specifications cover shutter curtain and ribbon dimensions. The manual features detailed illustrations of mechanisms and adjustment procedures throughout, making it an essential reference for camera technicians and vintage camera restorers working on Zorki and Fed rangefinder models.