Hyundai Crawler Excavator R250LC-3 Service Manual PDF

This PDF Service Manual contains technical service information, maintenance instructions, troubleshooting information for the Hyundai Crawler Excavator R250LC-3 Model.

This technical guide includes comprehensive information on repair, fitting instructions, training manuals, instructions for installation and dismantling, technical specifications, detailed wiring electrical schematics, hydraulic diagrams, service documentation, and other additional information for Hyundai crawler excavators.

We recommend you pay special attention to the section "safety rule" and read it. Improper use may cause injury or life-threatening risks for the operator and for other persons. Thanks to this service manual, you can easily find the necessary information using the “search” function. 

In order to work with this pdf instruction, we recommend you to use the application - Adobe AcrobatF Reader (or other analogs). So, you don't need to spend your time installing this file (Instant Download).

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Models covered:
R250LC-3

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 - Max Flow Cut-Off Function
Group 9 - Swing Speed Control System
Group 10 - Arm Half Flow System
Group 11 - Anti-Restart System
Group 12 - Self-Diagnostic System
Group 13 - Engine Control System
Group 14 - EPPR (Electro Proportional Pressure Reducing) Valve
Group 15 - Prolix Switch
Group 16 - Monitoring 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