Manual for 645

The manual provides detailed exploded illustrations of the PENTAX 645 camera, breaking down the various components and their assemblies. It lists part numbers, descriptions, quantities, and interchangeability for each part. The document also includes sections on distributing wires, testers, jigs, and tools, as well as disassembly and adjustment procedures for specific camera mechanisms like the film advance control seat, counter cam, hook claw, and transport claw. Specific instructions are given for making mechanical shutter speeds and winding sequences.