SPT - 1971

Specialized service notes issued by the Society of Photo-Technologists (SPT) for November-December 1971, covering pages 415 through 426. This technical publication contains detailed disassembly and maintenance procedures for several professional and semi-professional cameras prevalent during that era. Featured sections include comprehensive step-by-step disassembly instructions for the Kodak Instamatic 174, including access to internal components and proper handling of delicate mechanisms. The Argus C-3 section focuses on shutter disassembly with particular attention to gear alignment and speed escapement mechanisms. Shutter access procedures are provided for the Petri Color 35, with specific guidance on removing retaining rings and protective covers. Repair procedures for jammed shutter and transport mechanisms affecting the Kodak Instamatic models 314 and 414 are thoroughly documented, along with reassembly guidance for the M4 movie camera variant. Additional coverage includes the Exakta 500 with top cover and mechanism removal procedures, and the Mamiya/Sekor Super Deluxe f1.7 focusing on shutter accessibility techniques. Each section contains precise sequential instructions and essential cautions for service technicians and experienced repairpersons.