Hyundai R380LC-9 Excavator Service Manual 2023 - PDF

Hyundai R380LC-9 Crawler Excavator Service Manual 2023 – PDF DOWNLOAD

The Hyundai R380LC-9 Crawler Excavator Service Manual 2023 (PDF DOWNLOAD) offers detailed instructions for maintenance, repairs, and troubleshooting, ensuring optimal performance of the R380LC-9 model excavator.

FILE DETAILS:

Hyundai R380LC-9 Crawler Excavator Service Manual 2023 – PDF DOWNLOAD

Language : English
Pages : 587
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Hyundai R380LC-9 Crawler Excavator Service Manual 2023 – PDF DOWNLOAD

SECTION 1 GENERAL
Group 1 Safety Hints 1 1
Group 2 Specifications 1 10
SECTION 2 STRUCTURE AND FUNCTION
Group 1 Pump Device 2 1
Group 2 Main Control Valve 2 20
Group 3 Swing Device 2 46
Group 4 Travel Device 2 58
Group 5 RCV Lever 2 71
Group 6 RCV Pedal 2 78
SECTION 3 HYDRAULIC SYSTEM
Group 1 Hydraulic Circuit 3 1
Group 2 Main Circuit 3 2
Group 3 Pilot Circuit 3 5
Group 4 Single Operation 3 13
Group 5 Combined Operation 3 23
SECTION 4 ELECTRICAL SYSTEM
Group 1 Component Location 4 1
Group 2 Electric Circuit 4 3
Group 3 Electrical Component Specification 4 21
Group 4 Connectors 4 29
SECTION 5 MECHATRONICS SYSTEM
Group 1 Outline 5 1
Group 2 Mode selection System 5 3
Group 3 Automatic Deceleration System 5 6
Group 4 Power Boost System 5 7
Group 5 Travel Speed Control System 5 8
Group 6 Automatic Warming Up System 5 9
Group 7 Engine Overheat Prevention System 5 10
Group 8 Variable power Control System 5 11
Group 9 Attachment Flow Control System 5 12
Group 10 Anti restart System 5 13
Group 11 Self Diagnostic System 5 14
Group 12 Engine Control System 5 27
Group 13 EPPR (Electro Proportional Pressure Reducing) Valve 5 28
Group 14 Monitoring System 5 33
Group 15 Fuel Warmer System 5 56
SECTION 6 TROUBLESHOOTING
Group 1 Before Troubleshooting 6 1
Group 2 Hydraulic and Mechanical System 6 4
Group 3 Electrical System 6 24
Group 4 Mechatronics System 6 40
SECTION 7 MAINTENANCE STANDARD
Group 1 Operational Performance Test 7 1
Group 2 Major Components 7 21
Group 3 Track and Work Equipment 7 29
SECTION 8 DISASSEMBLY AND ASSEMBLY
Group 1 Precaution 8 1
Group 2 Tightening Torque 8 4
Group 3 Pump Device 8 7
Group 4 Main Control Valve 8 31
Group 5 Swing Device 8 51
Group 6 Travel Device 8 71
Group 7 RCV Lever 8 103
Group 8 Turning Joint 8 117
Group 9 Boom, Arm and Bucket Cylinder 8 122
Group 10 Undercarriage 8 139
Group 11 Work Equipment 8 151
SECTION 9 COMPONENT MOUNTING TORQUE
Group 1 Introduction guide 9 1
Group 2 Engine system 9 2
Group 3 Electric system 9 4
Group 4 Hydraulic system 9 6
Group 5 Undercarriage 9 9
Group 6 Structure 9 10
Group 7 Work equipment 9 14

DESCRIPTION:

Hyundai R380LC-9 Crawler Excavator Service Manual 2023 – PDF DOWNLOAD

FOREWORD:
1. STRUCTURE:
This service manual has been prepared as an aid to improve the quality of repairs by giving the
serviceman an accurate understanding of the product and by showing him the correct way to
perform repairs and make judgements. Make sure you understand the contents of this manual and
use it to full effect at every opportunity.
This service manual mainly contains the necessary technical information for operations performed in
a service workshop.
For ease of understanding, the manual is divided into the following sections.
SECTION 1 GENERAL:
This section explains the safety hints and gives the specification of the machine and major
components.
SECTION 2 STRUCTURE AND FUNCTION:
This section explains the structure and function of each component. It serves not only to give an
understanding of the structure, but also serves as reference material for troubleshooting.
SECTION 3 HYDRAULIC SYSTEM
This section explains the hydraulic circuit, single and combined operation.
SECTION 4 ELECTRICAL SYSTEM
This section explains the electrical circuit, monitoring system and each component. It serves not
only to give an understanding electrical system, but also serves as reference material for trouble
shooting.
SECTION 5 MECHATRONICS SYSTEM
This section explains the computer aided power optimization system and each component.
SECTION 6 TROUBLESHOOTING
This section explains the troubleshooting charts correlating problems to causes.
SECTION 7 MAINTENANCE STANDARD
This section gives the judgement standards when inspecting disassembled parts.
SECTION 8 DISASSEMBLY AND ASSEMBLY
This section explains the order to be followed when removing, installing, disassembling or
assembling each component, as well as precautions to be taken for these operations.
SECTION 9 COMPONENT MOUNTING TORQUE
This section shows bolt specifications and standard torque values needed when mounting
components to the machine.
The specifications contained in this shop manual are subject to change at any time and without any
advance notice. Contact your HYUNDAI distributor for the latest information.