Sumitomo SH700 Hydraulic Excavator Best Service Repair Workshop Manual

This is the COMPLETE Service and Repair Manual for the Sumitomo SH700 Hydraulic Excavator Best Service Repair Workshop Manual. It covers every single detail.

Sumitomo SH700 Hydraulic Excavator Service Repair Manual VEHICLE/EQUIPMENT INTRODUCTION: The Sumitomo SH700 is a large-class hydraulic excavator engineered for heavy-duty mining, quarry, and major earthmoving operations. Sumitomo Heavy Industries has been a respected name in construction machinery since the mid-20th century, building a reputation for robust hydraulics, reliable undercarriage design, and operator-friendly cab layouts. The SH700 sits in the 70-ton class, powered by a large-displacement diesel engine paired with a sophisticated hydraulic pump system that delivers high breakout force and smooth multi-function operation. This excavator was designed for continuous operation in demanding environments. Its reinforced boom and arm structures, heavy-duty track frames, and optimized hydraulic circuitry make it well suited for loading haul trucks, trenching in hard ground, and demolition work. Sumitomo incorporated advanced hydraulic flow control to minimize cycle times while maintaining precise control at low speeds for fine grading operations. SERVICE & REPAIR SCOPE: - Complete engine disassembly, inspection, and rebuild procedures - Hydraulic pump and motor overhaul with pressure testing - Control valve servicing and spool adjustment specifications - Undercarriage component replacement including rollers, idlers, sprockets, and track shoes/links - Boom, arm, and bucket cylinder seal replacement and pin/bushing service - Electrical system diagnosis including sensor calibration and wiring harness inspection - Cab climate control system service and component replacement - Swing bearing inspection, backlash measurement, and replacement procedures - Travel motor reduction gear disassembly and reassembly - Cooling system flushing and radiator core service TECHNICAL SPECIFICATIONS: - Operating weight approximately 70 metric tons - Engine: Isuzu AA-6HK1X or equivalent 6-cylinder diesel, ~500 horsepower - Hydraulic system: Variable-displacement axial piston pumps, tandem circuit - Maximum digging depth approximately 7.5 meters - Bucket capacity: 3.0 to 4.0 cubic meters depending on application - Travel speed: approximately 5.5 km/h max - Swing speed: approximately 9-10 RPM - System relief pressure adjustable 343 bar range - First edition manual dated 03/2006 DIAGNOSTIC INFORMATION: - Hydraulic pressure test points and gauge connection procedures for each circuit - Engine fault code reading and diagnostic trouble code interpretation - Pump output flow measurement and efficiency testing methodology - Swing drift test procedure and acceptable leakage rate specifications - Engine compression testing with minimum acceptable values - Electrical continuity testing for sensor circuits and controller inputs - Travel motor case drain flow measurement for wear assessment - Alternator output voltage and current load testing procedures ILLUSTRATIONS & DIAGRAMS INCLUDED: - Full hydraulic system schematic with component identification numbers - Exploded views of

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