Hyundai Crawler Excavator R250LC-7A Service Manual PDF

This PDF Service Manual contains repair and maintenance instructions, circuits, troubleshooting information for the Hyundai Crawler Excavator R250LC-7A Model.

This technical manual provides detailed information on repair and maintenance procedures for crawler excavators Hyundai R250LC-7A. This Hyundai file consists of sections about the maintenance standard, step-by-step instructions for repair, the engine section, troubleshooting, the section about the systems, operator, and service information, many screenshots, diagrams for Hyundai Crawler Excavators.

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Models covered:
R250LC-7A

Contents:
Section 1 - General
Group 1 - Safety Hints
Group 2 - Specifications

Section 2 - Structure
Group 1 - Pump Device
Group 2 - Main Control Valve
Group 3 - Swing Device
Group 4 - Travel Motor
Group 5 - RCV Lever
Group 6 - RCV Pedal

Section 3 - Hydraulic System
Group 1 - Hydraulic Circuit
Group 2 - Main Circuit
Group 3 - Pilot Circuit
Group 4 - Single Operation
Group 5 - Combined Operation

Section 4 - Electrical System
Group 1 - Component Location
Group 2 - Electrical Circuit
Group 3 - Electrical Component Specification
Group 4 - Connectors

Section 5 - Mechatronics System
Group 1 - Outline
Group 2 - Mode Selection System
Group 3 - Automatic Deceleration System
Group 4 - Power Boost System
Group 5 - Travel Speed Control System
Group 6 - Automatic Warming Up Function
Group 7 - Engine Overheat Prevention Function
Group 8 - Anti-Restart System
Group 9 - Self-Diagnostic System
Group 10 - Engine Control System
Group 11 - EPPR (Electro Proportional Pressure Reducing) Valve
Group 12 - Monitoring System
Group 13 - Fuel Warmer System

Section 6 - Troubleshooting
Group 1 - Hydraulic and Mechanical System
Group 2 - Electrical System
Group 3 - Mechatronics System

Section 7 - Maintenance Standard
Group 1 - Operating Performance Test
Group 2 - Major Components
Group 3 - Track and Work Equipment

Section 8 - Disassembly and Assembly
Group 1 - Precaution
Group 2 - Tightening Torque
Group 3 - Pump Device
Group 4 - Main Control Valve
Group 5 - Swing Device
Group 6 - Travel Device
Group 7 - RCV Lever
Group 8 - Turning Joint
Group 9 - Boom, Arm, Bucket Cylinder
Group 10 - Undercarriage
Group 11 - Work Equipment

Section 9 - Component Mounting Torque
Group 1 - Introduction Guide
Group 2 - Engine System
Group 3 - Electric System
Group 4 - Hydraulic System
Group 5 - Undercarriage
Group 6 - Structure
Group 7 - Work Equipment