Kobelco SK100, SK120, SK120LC Excavator 1990-1996 Shop Manual

Kobelco SK100, SK120, SK120LC Excavator — covering general systems, specifications, and maintenance. Part Number S5LP0105E

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Document Details

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Document Number / Seller:
30611 / Betty Miller
File Size:
41.47 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Excavator
Last updated / verified
Sep 22, 2025

Models Covered & Key Technical Specifications

Kobelco SK100, SK120, SK120LC Excavator (1990-1996) – Comprehensive Service & Repair Manual Logic-Archive

Kobelco SK100, SK120, SK120LC Excavator Shop Manual (S5LP0105E) | Series Excavator Folder.

  • Published Rotational Force: 12.7rpm establishes the maximum swing speed.
  • Measured Storage Capacity: For optimal operation, 4.6m (15ft 1in) defines the maximum boom length.
  • Integral Fit Tolerances: 2.5m (8ft 2in) -- signifies the standard arm length.
  • Operational Climate Specs: The grapple requires 35° (70%) for ideal functionality.
  • Fundamental Travel Rate: The base machine lifting weight is 11,700 kg (25,800 lbs).
  • Universal Clamp Forces: The full specifications are detailed for the SK100 model, with a total width of 4.26m (14ft).

Professional Workshop Service Manual & Technical Specifications

Advanced Workshop Parts Manual: Excavator Kobelco SK100, SK120, SK120LC Excavator (1990-1996) – Comprehensive Service & Repair Manual Logic-Archive

Series-Validation: Kobelco SK100, SK120, SK120LC Excavator (1990-1996) // Validation-Data: Excavator / Hydraulic Logic // Series-Validation: Shop Manual.

Technical Specifications Table

Integrated-Framework Operational-Logic Calibration-Data
Index No. Title Book Code No.
LP01 SPECIFICATION S5LP0105E
LP03 LOCATION AND WEIGHT OF COMPONENTS S5LP0304E
LP04 MAINTENANCE STANDARDS AND TEST PROCEDURES S5LP0406E
LP05 TROUBLESHOOTING S5LP0504E
LP07 WORKING STANDARDS S5LP0703E

Coverage is segmented into the following main sections: GENERAL, SPECIFICATION, OPERATION AND CONTROLS, LOCATION AND WEIGHT OF COMPONENTS, MAINTENANCE STANDARDS AND TEST PROCEDURES, TROUBLESHOOTING, PREVENTIVE MAINTENANCE, and WORKING STANDARDS. This document details various systems including the drive system, hydraulic system, swing system, travel system, attachments, control system, upper frame, electrical system, air-conditioner system, and engine. The manual provides an overview of the configuration and operational procedures for these systems.

Systems Overview

This manual documents the various systems and components of the Kobelco SK100, SK120, and SK120LC excavators. It details schematics, part diagrams, and operational explanations for each system, including hydraulic, electrical, and mechanical assemblies.

Procedures and Maintenance

Methodical procedures for the removal, installation, and maintenance of critical components are described. This includes detailed steps for systems such as the drive, hydraulic, and swing mechanisms.

Introduction and Data

An introduction to the manual's purpose and scope is provided, along with general information and definitions to aid understanding. The "OPERATORS MANUAL" is also referenced for further detail on maintenance.

Reliably requiring proper assembly, this manual documents torque specifications for critical fasteners to ensure proper axial load stability.

FAQ

What does the **exact** assembly sequence for the hydraulic pump entail? keyboard_arrow_down

The assembly sequence involves installing the bracket (24) onto the pump mounting flange, then fitting the coupling (27) to the drive shaft and tightening the setscrews to a specified torque. Following this, the S-bolts are tightened to ensure secure mounting.

Reference the **specific** service interval parameters for critical components. keyboard_arrow_down

The manual details service intervals for various components, including the drive system and hydraulic pump, with specific checks recommended after 500 hours of operation for the hydraulic oil and filter replacement.

What are the **designated** system architecture for troubleshooting the swing system? keyboard_arrow_down

Troubleshooting the swing system involves checking pilot pressure and hydraulic oil levels. Issues like a malfunctioning swing control valve or swing motor can be diagnosed by examining primary and secondary pilot pressures, with specific guidance provided on pages 85-95.

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Reviews (3)

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The manual is incredibly detailed and easy to navigate. The download process was smooth, and I received the link promptly. Highly recommend!
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This manual covers everything from general specs to troubleshooting. The email support was quick and very helpful when I had questions. Great resource!
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Rated 4 out of 5 stars