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Hyundai Robex 260LC-9A User Manual

Hyundai Robex 260LC-9A
41 pages
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Robex 260LC-9A
CRAWLER EXCAVATOR
SERVICE MANUAL
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Hyundai Robex 260LC-9A Specifications

General IconGeneral
BrandHyundai
ModelRobex 260LC-9A
CategoryExcavators
LanguageEnglish

Summary

Foreword

Manual Structure Overview

Explains the manual's structure and purpose for understanding repairs.

Section 1 General

Section 1: Group 1 Safety Hints

Details essential safety procedures and precautions for operation and maintenance.

Section 1: Group 2 Specifications

Provides detailed technical specifications, dimensions, and weights for the excavator.

Section 2 Structure and Function

Section 2: Group 1 Pump Device

Details the structure and function of the hydraulic pump system.

Section 2: Group 2 Main Control Valve

Explains the structure and hydraulic circuit of the main control valve.

Section 2: Group 3 Swing Device (type 1)

Covers the structure and function of the Type 1 swing device.

Section 2: Group 3 Swing Device (type 2)

Details the structure and function of the Type 2 swing device.

Section 2: Group 4 Travel Device (type 1)

Describes the construction of the Type 1 travel device.

Section 2: Group 4 Travel Device (type 2, High Walker)

Explains construction, specifications, and driving principle.

Section 2: Group 4 Travel Device (type 3)

Covers construction, specifications, and operation of Type 3 travel device.

Section 2: Group 4 Travel Device (type 4)

Details construction, specifications, and operation of Type 4 travel device.

Section 2: Group 5 Rcv Lever

Explains the structure and functions of the receiver lever.

Section 2: Group 6 Rcv Pedal

Details the structure and function of the receiver pedal.

Section 3 Hydraulic System

Section 3: Group 1 Hydraulic Circuit

Overview of the hydraulic circuit.

Section 3: Group 2 Main Circuit

Details suction, delivery, and return circuits of the main system.

Section 3: Group 3 Pilot Circuit

Explains the pilot circuit, including safety valve and priority systems.

Section 3: Group 4 Single Operation

Describes the operation of individual hydraulic functions.

Section 3: Group 5 Combined Operation

Covers combined operations of various hydraulic functions.

Section 4 Electrical System

Section 4: Group 1 Component Location

Identifies the location of electrical components on the machine.

Section 4: Group 3 Electrical Component Specification

Provides specifications for electrical components.

Section 4: Group 4 Connectors

Details connector destinations and connection tables.

Section 5 Mechatronics System

Section 5: Group 1 Outline

Provides an overview of the mechatronics system.

Section 5: Group 2 Mode Selection System

Explains power, work, and user mode selection systems.

Section 5: Group 3 Automatic Deceleration System

Details the automatic deceleration system's operation.

Section 5: Group 4 Power Boost System

Describes the power boost system.

Section 5: Group 5 Travel Speed Control System

Explains the travel speed control system.

Section 5: Group 6 Automatic Warming Up System

Details the automatic warming up system.

Section 5: Group 7 Engine Overheat Prevention System

Covers the engine overheat prevention system.

Section 5: Group 8 Variable Power Control System

Explains the variable power control system.

Section 5: Group 9 Attachment Flow Control System

Details the attachment flow control system.

Section 5: Group 10 Anti-restart System

Explains the anti-restart function.

Section 5: Group 11 Self-diagnostic System

Covers self-diagnostic functions, including error codes.

Section 5: Group 12 Engine Control System

Details the MCU and Engine ECM.

Section 5: Group 13 Eppr Valve

Explains the Pump Eppr Valve.

Section 6 Troubleshooting

Section 6: Group 1 Before Troubleshooting

Introduction and diagnosing procedure for troubleshooting.

Section 6: Group 2 Hydraulic And Mechanical System

Troubleshooting for drive, hydraulic, swing, and travel systems.

Section 6: Group 3 Electrical System

Troubleshooting for electrical system issues.

Section 6: Group 4 Mechatronics Systegroup System

Troubleshooting for mechatronics system problems.

Section 7 Maintenance Standard

Section 7: Group 1 Operational Performance Test

Covers purpose, terminology, and procedures for performance tests.

Section 7: Group 2 Major Component

Maintenance standards for major components.

Section 7: Group 3 Track And Work Equipment

Maintenance standards for track and work equipment.

Section 8 Disassembly and Assembly

Section 8: Group 1 Precautions

General precautions for removal, installation, and assembly.

Section 8: Group 2 Tightening Torque

Details major component tightening torques and torque charts.

Section 8: Group 3 Pump Device

Procedures for disassembly and assembly of the pump device.

Section 8: Group 4 Main Control Valve

Covers disassembly and assembly of the main control valve.

Section 8: Group 5 Swing Device (type 1)

Disassembly and assembly of the Type 1 swing device.

Section 8: Group 5 Swing Device (type 2)

Details disassembly and assembly of the Type 2 swing device.

Section 8: Group 7 Rcv Lever

Covers removal, installation, disassembly, and assembly of the Rcv Lever.

Section 8: Group 8 Turning Joint

Details removal, installation, disassembly, and assembly of the Turning Joint.

Section 8: Group 9 Boom, Arm And Bucket Cylinder

Procedures for disassembly and assembly of boom, arm, and bucket cylinders.

Section 8: Group 10 Undercarriage

Covers disassembly and assembly of undercarriage components.

Section 8: Group 11 Work Equipment

Details disassembly and assembly procedures for work equipment.

Section 9 Component Mounting Torque

Section 9: Group 1 Introduction Guide

Introduction to component mounting torque.

Section 9: Group 2 Engine System

Mounting torque specifications for the engine system.

Section 9: Group 3 Electric System

Mounting torque specifications for the electrical system.

Section 9: Group 4 Hydraulic System

Mounting torque specifications for the hydraulic system.

Section 9: Group 5 Undercarriage

Mounting torque specifications for the undercarriage.

Section 9: Group 6 Structure

Mounting torque specifications for the structure.

Section 9: Group 7 Work Equipment

Mounting torque specifications for work equipment.

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