SPT - 1970
Technical service notes collection published by The Society of Photo-Technologists covering two distinct instruments. The first section details disassembly, operation, and repair of the PRONTOR SVS Shutter, Model 0475. It documents the service history of defects encountered (broken teeth on diaphragm index ring and faulty retaining spring), provides comprehensive mechanism description with speed range from 1 second to 1/300, diaphragm settings from f/4.7 to f/45, and features of the self-timer system. Disassembly and reassembly procedures are thoroughly explained with detailed illustrations of the hollow pinion gear system and diaphragm control mechanism. The second section addresses the KEYSTONE Model K-620 Super 8 movie camera, focusing on meter battery access, film compartment disassembly, shutter mechanism extraction, and optical assembly removal. Dimensional schematics and precise instructions for proper jig usage ensure correct reassembly procedures. Essential technical documentation for camera and cinematographic equipment repair technicians seeking authoritative guidance on these specific models.
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Document Details
- Format
- Pages
- 16
- Size
- 16.5 MB
- Category
- Photography