This manual covers Bonser Fork Lift trucks, including models 50, 60, 70, 90, and 100 in D, HD, TC, and LS configurations, as well as the LS452, LS45-TC, LS55, and S55-7C. Bonser Engineering Ltd. was a respected UK manufacturer known for producing robust and reliable industrial material handling equipment, primarily from the 1970s through the 1990s. These forklifts were designed for demanding applications in warehousing, manufacturing, and logistics, offering lifting capacities ranging from approximately 4500 lbs to 10000 lbs. The engineering quality of these machines is reflected in their durable construction and suitability for challenging industrial environments.

This comprehensive workshop and operation manual provides essential technical information for the maintenance, repair, and operation of the specified Bonser forklift models. It covers a wide array of systems including engine diagnostics and overhaul, transmission service, hydraulic system repair, electrical troubleshooting with wiring diagrams, chassis and steering components, and lift and tilt mechanisms. The manual details routine maintenance procedures, offers troubleshooting guides for common operational problems, provides step-by-step repair and overhaul instructions, and lists critical specifications and tolerances. Safety procedures, including lockout/tagout and safe operation guidelines, are also included, ensuring that owners, mechanics, and technicians can effectively maintain these machines for safe and reliable performance.