Complete workshop & service manual with electrical wiring diagrams for Hyundai Construction Crawler Excavator HX140L. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Hyundai Construction Crawler Excavator HX140L service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

EXCERPT:
CONTENTS
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 - - - - - 2-19
Group 3 Swing Device - - - - 2-46
Group 4 Travel Device - - - - 2-57
Group 5 RCV Lever - - - - 2-78
Group 6 RCV Pedal - - - - 2-85
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 - - - - - 3-15
Group 5 Combined Operation - - - - 3-27
SECTION 4 ELECTRICAL SYSTEM
Group 1 Component Location - - - - 4-1
Group 2 Electrical Circuit - - - - 4-3
Group 3 Electrical Component Specification - - - - 4-22
Group 4 Connectors - - - - 4-33
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 Function - - - - 5-9
Group 7 Engine Overheat Prevention Function - - - - - 5-10
Group 8 Variable Power Control System - - - - 5-11
Group 9 Attachment Flow Control System - - - - 5-12
Group 10 Boom Floating Control System- - - - - 5-13
Group 11 Intelligent Power Control System- - - - 5-14
Group 12 Anti-Restart System - - - - 5-16
Group 13 Self-Diagnostic System - - - - - 5-17
Group 14 Engine Control System - - - - - 5-53
Group 15 EPPR Valve - - - - - 5-54
Group 16 Monitoring System - - - - - 5-59
Group 17 Fuel Warmer System - - - - 5-95
SECTION 6 TROUBLESHOOTING
Group 1 Before trobleshooting - - - - 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 - - - - 7-30
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 - - - - 8-29
Group 5 Swing Device - - - - - 8-43
Group 6 Travel Device - - - - - 8-59
Group 7 RCV Lever - - - - 8-123
Group 8 Turning Joint - - - - - 8-137
Group 9 Boom, Arm and Bucket Cylinder - - - - 8-142
Group 10 Undercarriage - - - - 8-160
Group 11 Work Equipment - - - - 8-172
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
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ASSEMBLY
(1) Put casing (1) on the worktable. After applying grease on the external diameter of oil seal (3), insert oil seal in casing.
(2) Even though assembly is accomplished by reversing disassembly steps, be careful of the following.
Repair the damaged part when disassemblying and prepare parts for exchange in advance.
All parts should be cleaned with cleaner, dried with compressed air.
Sliding surface, O-ring, bearing and oil seal should be lubricated with clean hydraulic oil, prior to final assembly.
Replacement of O-ring and oil sealwith new parts is generally recommended.
Use a torque wrench to make sure that assembly fasteners are tightened to specified values shown table1.
When assembling bolt, spread Loctite.
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