BELL & HOWELL - bh projector 1585a 1590a 92a

Comprehensive service manual for Bell & Howell Autoload Filmosound 16mm automatic projection systems covering models 1585A, 1585ML, 1590A, 1590B, 1592A, 1592B, 1592C, 1592H, and 1592BH. This technical reference details essential repair and maintenance procedures for these professional projection devices. The manual provides thorough disassembly and reassembly procedures with step-by-step instructions supported by detailed technical illustrations and diagrams. Coverage includes critical adjustments such as optical system alignment, intermittent mechanism adjustment, animation clutch calibration, and sound head positioning. A comprehensive troubleshooting section addresses common mechanical failures and film transport issues, identifying probable causes and recommended remedies. The document features a complete replacement parts catalog with numbered references and detailed breakdowns by assembly, accompanied by wiring diagrams for electrical and audio systems. Technical specifications include projector speed data, lubrication requirements, and performance parameters for optimal operation. Instructions cover autoload system adjustments and verification checks essential for reliable equipment performance. This revised technical publication from January 1977 serves as the authoritative resource for technicians and service personnel maintaining these professional projection systems.