Hyundai R140W-7 Wheeled Excavator Service Manual 2023 - PDF DOWNLOAD

Page 1

CONTENTS SECTION 1 GENERAL Group 1 Safety Hints Group 2 Specifications

1-1 1-9

SECTION 2 STRUCTURE AND FUNCTION Group 1 Pump Device Group 2 Main Control Valve Group 3 Swing Device Group 4 Travel Device Group 5 RCV Lever Group 6 Accelerator Pedal Group 7 Brake Pedal Group 8 Transmission Group 9 Transmission control valve Group 10 Steering Valve

2-1 2-21 2-43 2-55 2-61 2-68 2-69 2-71 2-78 2-80

SECTION 3 HYDRAULIC SYSTEM Group 1 Hydraulic Circuit Group 2 Main Circuit Group 3 Pilot Circuit Group 4 Single Operation Group 5 Combined Operation

3-1 3-2 3-5 3-13 3-28

SECTION 4 ELECTRICAL SYSTEM Group 1 Component Location Group 2 Electrical Circuit Group 3 Electrical Component Specification Group 4 Connectors

4-1 4-3 4-22 4-31

SECTION 5 MECHATRONICS SYSTEM Group 1 Outline Group 2 Mode Selection System Group 3 Automatic Deceleration System

5-1 5-3 5-6


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