SEARS - sears projector 92020 30

Comprehensive service manual for Sears Automatic Super 8-mm projectors, covering models 584.92020 and 584.92030. This technical reference provides detailed information on the automatic film-threading system that distinguishes these projectors, including complete operating principles and theoretical explanations with numbered diagrams illustrating film path through rollers and sprockets. The manual contains specifications for the projection lamp (DHX or DLS type, 21.5-volt, 115-watt dichroic bulbs), electrical specifications (120-volt, 60-cycle operation), projection filter system (perforated metal), and lens options specific to each model. A dedicated section lists all Bristol setscrew wrenches and tools required for maintenance and repair procedures, with specific part numbers and flute counts. The document covers film advance mechanisms, loopformer positioning, and shuttle operation essential to the auto-load threading cycle. Special maintenance precautions are emphasized, including proper cleaning of solvent-contaminated parts and correct lubrication procedures during reassembly. Includes spring-loaded tilt device with lock knob, screw knob film advance, and separate control systems for speed and slow-motion operation. Published November 1965, part number 70480.