Kobelco SK70SR SK115SR SK135SR SK115SRDZ SK135SRLC SK235SR Serviceman Handbook – PDF Workshop Manual

Description

Kobelco SK70SR, SK115SR, SK135SR, SK115SRDZ, SK135SRLC & SK235SR Serviceman Handbook

This Kobelco Serviceman Handbook is the complete workshop reference for six Kobelco excavator models: SK70SR, SK115SR, SK135SR, SK115SRDZ, SK135SRLC and SK235SR. Issued under document number S7YO00100ZE01, it brings together general dimensions, machine specification tables, engine data, hydraulic component specifications, troubleshooting procedures, mechatronics diagnostics, hydraulic and electrical circuit diagrams, attachment dimensions, maintenance standards, working ranges and lifting diagrams into one PDF. Whether you are servicing a compact SK70SR or a larger SK235SR, this handbook delivers the technical data and diagnostic routines needed for professional repair and maintenance.

File Details

• Manual type: Serviceman Handbook / Workshop Manual
• Brand: Kobelco
• Models covered: SK70SR, SK115SR, SK135SR, SK115SRDZ, SK135SRLC, SK235SR
• Document number: S7YO00100ZE01
• Copyright: 2015 Kobelco Construction Machinery Co., Ltd.
• Language: English
• File format: PDF
• Page count: 287

What This Kobelco Excavator Serviceman Handbook Contains

This is not a generic excavator book. It is a model-specific serviceman handbook written for the Kobelco SR-series excavators, covering everything from general dimensions and machine specifications through to mechatronics troubleshooting and hydraulic system diagrams. The manual opens with general dimensions for all six models, then moves into detailed machine specification tables that list performance figures, dimensions, weights, engine data, hydraulic system data and working ranges for each model variant.

The major specifications chapter is particularly detailed, splitting into engine specifications, hydraulic component specifications and performance, and a hydraulic cylinder list. Engine specifications are provided for the Isuzu A-4JB1 (SK70SR), Isuzu A-4BG1 (SK115SR), Isuzu A-4BG1T (SK115SRDZ, SK135SR, SK135SRLC) and Mitsubishi 6D34-TE1 (SK235SR), with rated output, maximum torque, displacement, compression ratio, injection timing, valve clearance, cooling fan drive method and more. Engine characteristic curves are also included for the major engine families.

Chapters Covered

• General Dimensions
• Machine Specification Table
• Major Specifications — Engine Specifications, Hydraulic Components Specifications & Performance, Hydraulic Cylinder List
• Performance Table
• Weight of Components
• Capacity Table of Lubrication Oil and Coolant
• List of Filter and Element
• Specified Oil and Grease and Filter Element List
• Performance Inspection Standard
• Hydraulic Oil Pump Control Curve
• Measurement of Hydraulic Pressure
• Measurement of Engine Speed
• Pressure Adjustment Position
• Procedure for Adjusting Relief Valve
• Gauge Cluster and Switch Panel
• Troubleshooting Summarized Mechatronics Control — Service Diagnostics, Error Diagnostics, Contents of the Trouble History, Multi Display Self Diagnosis, Priority of Multi Display Warning Display and Self Diagnosis Display, How to Correct the E/G Oil Supply Cumulative Time, Adjustment of Mechatro Controller, Acceptance Criterion for Electrical Fitting in Control System, Outline of Mechatronics System
• Hydraulic System Diagram
• Electric Circuit Diagram
• Dimensions of Attachments
• Maintenance Standard — Pin and Bushing Table of Attachment (Clearance and Location), Resinoid Shim Code, Under Carriage Maintenance Standards (Track Link, Idler, Sprocket, Lower Roller, Upper Roller, Track Spring)
• Working Ranges
• Lifting Diagram
• Optional Parts and Dimensions of Attachments
• Summary for Nibbler & Breakers
• Referential Datum — Tightening Torques for Nuts and Sleeves, Pipe Joint Tightening Torque, SI Unit, Conversion Tables, Pressure/Temperature/Weight/Incline Conversion Tables, Material Weight Table, Lever (Control) Pattern List, Special Spanner for Tube, Tightening Torques for Capscrews and Nuts

Beyond the chapter list, the handbook provides a complete working picture of the machine. The performance inspection standard sets out the pressures, tolerances and measuring conditions needed to verify hydraulic and engine performance. The hydraulic oil pump control curve section explains how the pump behaves under different operating modes, including H mode, S mode and FC mode. The pressure adjustment position chapter identifies where each relief valve and adjustment point is located on the main control valve, dozer control valve and swing motor.

The mechatronics section is one of the most valuable parts of this manual. It covers troubleshooting summarized mechatronics control, service diagnostics, error diagnostics, trouble history, multi display self diagnosis, display priority, correction of engine oil supply cumulative time, adjustment of the mechatro controller, acceptance criteria for electrical fittings in the control system, and an outline of the mechatronics system. Technicians working on the electronic control side of these Kobelco excavators will find the error code tables, service diagnostic procedures and controller adjustment steps essential for accurate diagnosis.

Hydraulic and electrical circuit diagrams are included in full. The hydraulic system diagram chapter covers the SK70SR and the larger models, showing pilot circuits, main circuits, breaker and nibbler circuits, dozer circuits, travel straight systems and proportional valve operation. The electric circuit diagram chapter spans multiple pages and documents the electrical architecture for the SK70SR, SK115SR, SK135SR, SK115SRDZ, SK135SRLC and SK235SR, including component lists, connector references, wire colours and circuit routing.

The maintenance standard chapter provides pin and bushing clearance tables for the attachment, location diagrams for pin and bushing positions, resinoid shim codes, and undercarriage maintenance standards for track links, idlers, sprockets, lower rollers, upper rollers and track springs. Working ranges and lifting diagrams are also supplied for the excavator configurations covered.

Who This Kobelco Serviceman Handbook Is For

This PDF is aimed at heavy equipment technicians, workshop supervisors, fleet maintenance managers, and owners of Kobelco SK70SR, SK115SR, SK135SR, SK115SRDZ, SK135SRLC or SK235SR excavators who need factory-level technical information for repair, maintenance and diagnostics. It is also useful for apprentices and trainees learning the Kobelco SR-series platform, since the handbook covers both the mechanical and mechatronic sides of the machine in a single document.

Put This Kobelco Excavator Manual to Work

With this Kobelco SK70SR SK115SR SK135SR SK115SRDZ SK135SRLC SK235SR Serviceman Handbook on hand, you can confidently tackle engine specification checks, hydraulic pressure measurements, relief valve adjustments, pump control curve verification, mechatronics diagnostics, error code troubleshooting, electrical circuit tracing, attachment pin and bushing clearance measurement, undercarriage wear assessment and component weight lookups. The manual gives you the correct procedures, pressures, tolerances and reference values so you can avoid guesswork that leads to damaged components or repeat repairs.

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This is an instant PDF download — no shipping, no waiting. The file can be viewed on any device, searched and printed as needed for use in the workshop. Whether you are diagnosing a mechatronics fault on an SK135SRLC, adjusting the relief valve on an SK70SR, or checking pin and bushing clearances on an SK235SR, this Kobelco Serviceman Handbook delivers the technical depth required for professional excavator service.