The manual details the step-by-step disassembly process for the ABB SACE Tmax XT XT7 moulded case circuit breaker. It covers various phases, from removing cap kits and covers to disassembling the operating mechanism, trip unit, and internal assemblies. Each phase includes required tools, actions to be performed, and a list of disassembled parts with indications for separate treatment where applicable. Safety notes and personal protective equipment requirements are also outlined.