Gradall 534c 6 Service Manual
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This complete service manual for the Robex 170W-7A / R170W-7A Hyundai Hydraulic Excavator 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.TABLE OF CONTENTS :SECTION 1 GENERAL Group 1 Safety Hints Group 2 Specifications 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 Travel control valve Group 10 Steering Valvel Group 11 Axle 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 MECHATROMICS 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 SystemGroup 13 Fuel warmer System SECTION 6 TROUBLESHOOTING Group 1 Before troubleshooting Group 2 Hydraulic and Mechanical System Group 3 Electrical System 827ec27edc