This shop manual provides service information for Komatsu SK815-5N and SK815-5NA skid steer loaders. It contains sections on general information, structure and maintenance, standard values, testing and adjusting, troubleshooting, disassembly and assembly, and diagrams. The manual aims to improve repair quality by accurately explaining the product and correct repair procedures. It is divided into sections and subgroups to help technicians efficiently service the loaders. Komatsu will provide updates to distributors to keep the information current.