EXA - Exa Repair Manual

Comprehensive repair manual and workshop guide for the complete EXA camera range, covering EXA, EXA I, EXA I/63, EXA Ia, EXA II, EXA IIa, EXA IIb, and EXA 500 models. This detailed technical service manual provides precise step-by-step instructions for disassembly, assembly, and repair of these 35mm reflex cameras. The manual presents systematic procedures tailored to each model, addressing component access, viewfinder mechanism removal, optical element adjustment, and correction of common defects encountered in the field. Primary sections cover mirror replacement and positioning relative to infinity focus, verification of lens mount to film plane distance, shutter speed calibration, film transport failure diagnosis and correction, and frame counter adjustment. An extensive exposure time tolerance table is included for EXA II and subsequent models, essential for verifying shutter accuracy. Technical illustrations and diagrams accompany complex instructions throughout, particularly for shutter mechanisms, flash synchronization systems, and internal assemblies. Preliminary remarks emphasize correct handling technique—never forcing components—and securing screws with lacquer during reassembly to prevent loosening. A detailed index enables rapid navigation across model variants and repair procedures, making this an indispensable reference for camera technicians and experienced enthusiasts maintaining and restoring EXA camera systems.