SERVICE MANUAL

CONSTRUCTION EQUIPMENT CRAWLER EXCAVATOR Table of Content 2. How To Read The Service Manual 5 3. Conversion Table 6 SECTION 1 GENERAL 12 Group 1 Safety 13 Group 2 Specifications 22 SECTION 2 STRUCTURE AND FUNCTION 45 Group 1 Pump Device 46 Group 2 Main Control Valve 67 Group 3 Swing Device 100 Group 4 Travel Device 112 Group 5 Rcv Lever 125 Group 6 Rcv Pedal 132 SECTION 3 HYDRAULIC SYSTEM 138 Group 1 Hydraulic Circuit 139 Group 2 Main Circuit 141 Group 3 Pilot Circuit 144 Group 4 Single Operation 153 Group 5 Combined Operation 163 SECTION 4 ELECTRICAL SYSTEM 172 Group 1 Component Location 173 Group 2 Hydraulic Circuit 175 Group 3 Electrical Component Specification 195 Group 4 Connectors 208 SECTION 5 MECHATRONICS SYSTEM 233 Group 1 Outline 234 Group 2 Mode Selection System 236 Group 3 Automatic Deceleration System 239 Group 4 Power Boost System 240 Group 5 Travel Speed Control System 241

https://truckmanualshub.com/ HX380A L CRAWLER EXCAVATOR SERVICE MANUAL https://truckmanualshub.com/ Table of Content FOREWORD 4 1. Structure 4 2. How To Read The Service Manual 5 3. Conversion Table 6 SECTION 1 GENERAL 12 Group 1 Safety 13 Group 2 Specifications 22 SECTION 2 STRUCTURE AND FUNCTION 45 Group 1 Pump Device 46 Group 2 Main Control Valve 67 Group 3 Swing Device 100 Group 4 Travel Device 112 Group 5 Rcv Lever 125 Group 6 Rcv Pedal 132 SECTION 3 HYDRAULIC SYSTEM 138 Group 1 Hydraulic Circuit 139 Group 2 Main Circuit 141 Group 3 Pilot Circuit 144 Group 4 Single Operation 153 Group 5 Combined Operation 163 SECTION 4 ELECTRICAL SYSTEM 172 Group 1 Component Location 173 Group 2 Hydraulic Circuit 175 Memorandum 178 Group 3 Electrical Component Specification 195 Group 4 Connectors 208 SECTION 5 MECHATRONICS SYSTEM 233 Group 1 Outline 234 Group 2 Mode Selection System 236 Group 3 Automatic Deceleration System 239 Group 4 Power Boost System 240 Group 5 Travel Speed Control System 241 Group 6 Automatic Warming Up System 242 Group 7 Engine Overheat Prevention System 243 Group 8 Variable Power Control System 244 Group 9 Attachment Flow Control System 245 Group 10 Boom Floating…