This comprehensive Service Repair Manual provides in-depth information on maintaining, assembling, disassembling, and servicing the Komatsu PC1250-7, PC1250SP-7, and PC1250LC-7 Hydraulic Excavators. The manual covers a wide range of topics, including engine and transmission systems, hydraulic systems, electrical systems, and operator's cab. It also includes detailed diagrams, illustrations, and step-by-step instructions to guide you through complex repairs and maintenance procedures. This manual is a valuable resource for mechanics, technicians, and operators who need to perform service and repair work on these heavy-duty excavators.

The Komatsu PC1250-7, PC1250SP-7, and PC1250LC-7 are powerful and versatile hydraulic excavators designed for heavy-duty construction, mining, and quarrying applications. These machines are renowned for their robust construction, exceptional digging performance, and advanced operator comfort features. The PC1250-7 models are equipped with a powerful Komatsu SAA6D170E-7 engine, delivering a net power output of 670 horsepower (499 kW). The PC1250SP-7, specifically designed for superior digging performance, features a larger boom and arm, resulting in an increased digging depth and reach. The PC1250LC-7, on the other hand, is equipped with longer tracks and an optimized counterweight for improved stability and traction, making it ideal for working on challenging terrain. All three models incorporate Komatsu's advanced hydraulic system, offering precise control and smooth operation. The hydraulic system utilizes a variable displacement pump, providing efficient power distribution and reducing fuel consumption. The spacious and ergonomically designed cab provides the operator with excellent visibility and a comfortable work environment. Features like a multi-function display, air conditioning, and adjustable seats contribute to operator productivity and safety. Komatsu's commitment to reliability and durability is evident in the robust construction of these excavators, including reinforced structures, high-quality components, and advanced maintenance features. The PC1250-7, PC1250SP-7, and PC1250LC-7 are backed by comprehensive service support, ensuring a long and productive lifespan.