Hitachi EX2500-5 Excavator Technical Operational Principle Manual (TO141-E-01) – PDF Download
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- Hitachi EX2500-5 Excavator Technical Operational Principle Manual
- Part No:TO141-E-01
Description
Hitachi EX2500-5 Excavator Technical Operational Principle Manual (TO141-E-01)
File Details:
Hitachi EX2500-5 Excavator Technical Operational Principle Manual (TO141-E-01)
- Manual Language:English
- Pages: 178
- Size: 4.50 MB
- Downloadable:Yes
- Format:PDF
HITACHI EX2500-5 EXCAVATOR TECHNICAL OPERATIONAL PRINCIPLE MANUAL (TO141-E-01) – PDF DOWNLOAD:
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Description:
Hitachi EX2500-5 Excavator Technical Operational Principle Manual (TO141-E-01)
TO THE READER
• This manual is written for an experienced technician to provide technical information needed to maintain and repair this machine.
• Be sure to thoroughly read this manual for correct product information and service procedures.
• If you have any questions or comments, at if you found any errors regarding the contents of this manual, please contact using “Service Manual Revision Request Form at the end of this manual.
ADDITIONAL REFERENCES
• Please refer to the materials listed below in addition to this manual.
• The Operator’s Manual
• The Parts Catalog
• Operation Manual of the Engine
• Parts Catalog of the Engine
• Hitachi Training Material
MANUAL COMPOSITION
• This manual consists of three portions: the Technical Manual (Operational Principle), the Technical Manual (Troubleshooting) and the Workshop Manual.
• Information included in the Technical Manual (Operational Principle): technical information needed for redeliver and delivery, operation and activation of all devices and systems.
• Information included in the Technical Manual (Troubleshooting): technical information needed for operational performance tests, and troubleshooting procedures.
• Information included in the Workshop Manual: technical information needed for maintenance and repair of the machine, tools and devices needed for maintenance and repair, maintenance standards, and removal/installation and assemble/ disassemble procedures.
Table of Contents:
Hitachi EX2500-5 Excavator Technical Operational Principle Manual (TO141-E-01)
INDEX............................................................................. 1 INTRODUCTION...................................................................... 3 CONTENTS.......................................................................... 5 SECTION 1 GENERAL................................................................. 7 Specifications................................................................ 9 BASE MACHINE DIMENSIONS................................................... 9 WORKING RANGE............................................................. 10 Component Layout.............................................................. 13 MAIN COMPONENT LAYOUT..................................................... 13 PILOT PANEL............................................................... 15 PUMP AND COMPONENTS....................................................... 16 ELECTRICAL COMPONENT LAYOUT............................................... 17 ENGINE AND COMPONENTS..................................................... 18 BATTERY COMPARTMENT....................................................... 20 ELECTRICAL COMPONENT LAYOUT IN CAB........................................ 22 ELECTRICAL EQUIPMENT BOX.................................................. 24 Component Specifications...................................................... 27 ENGINE.................................................................... 27 ENGINE ACCESSORIES........................................................ 29 HYDRAULIC COMPONENT....................................................... 30 ELECTRICAL COMPONENT...................................................... 33 FILTER.................................................................... 34 OTHERS.................................................................... 34 SECTION 2 SYSTEM.................................................................. 37 Control System................................................................ 39 OUTLINE................................................................... 39 ENGINE CONTROL............................................................ 40 PUMP CONTROL.............................................................. 42 OIL COOLER FAN MOTOR SPEED CONTROL FUEL COOLER FAN MOTOR SPEED CONTROL.... 44 WIPER CONTROL............................................................. 46 AUTO LUBRICAITION CONTROL................................................. 48 TRAVEL MODE CONTROL....................................................... 56 SWING STOP CONTROL........................................................ 59 Hydraulic System.............................................................. 61 OUTLINE................................................................... 61 PILOT CIRCUIT............................................................. 62 MAIN CIRCUIT.............................................................. 64 PUMP TRANSMISSION OIL COOLING CIRCUIT..................................... 71 Oil COOLER FAN MOTOR CIRCUIT.............................................. 71 COMPRESSOR MOTOR CIRCUIT.................................................. 71 TRAVEL SHOCK DAMPER AND TRAVEL STOP CIRCUIT............................... 72 Electrical System............................................................. 75 OUTLINE................................................................... 75 POWER SUPPLY CIRCUIT...................................................... 76 ACCESSORY CIRCUIT......................................................... 86 ENGINE START CIRCUIT...................................................... 90 STARTING AID CIRCUIT...................................................... 94 CHARGING CIRCUIT.......................................................... 96 ENGINE STOP CIRCUIT....................................................... 98 SURGE VOLTAGE PREVENTION CIRCUIT..........................................100 EMERGENCY CIRCUIT.........................................................102 SECTION 3 COMPONENT OPERATION.....................................................107 Pump Device...................................................................109 OUTLINE...................................................................109 MAIN PUMP.................................................................110 REGULATOR.................................................................112 4-UNIT PUMP...............................................................138 Swing Device..................................................................139 OUTLINE...................................................................139 SWING MOTOR...............................................................140 SWING PARKING BRAKE.......................................................142 SWING REDUCTION GEAR......................................................143 VALVE UNIT................................................................144 Control Valve.................................................................147 OUTLINE...................................................................147 PILOT PORT LOCATION.......................................................148 HYDRAULIC CIRCUIT.........................................................149 MAIN RELIEF VALVE AND OVERLOAD RELIEF VALVE...............................151 MAKEUP VALVE..............................................................151 Pilot Valve...................................................................153 OUTLINE...................................................................153 CONSTRUCTION..............................................................154 FUNCTION..................................................................155 OPERATION.................................................................156 Travel Device.................................................................159 OUTLINE...................................................................159 TRAVEL MOTOR..............................................................160 TRAVEL MODE CONTROL.......................................................162 BRAKE VALVE...............................................................164 PARKING BRAKE.............................................................165 TRAVEL REDUCTION GEAR.....................................................166 Others (Upperstructure).......................................................167 FAST-FILLING SYSTEM (OPTIONAL)............................................167 AIR CONDITIONER...........................................................168 AUTO-LUBRICATION SYSTEM...................................................170 Others (Undercarriage)........................................................171 SWING BEARING.............................................................171 ADJUSTER CYLINDER.........................................................172 ACCUMULATOR...............................................................173 CENTER JOINT..............................................................174 SERVICE MANUAL REVISION REQUEST FORM..............................................177
Please Note:
⦁ This is the SAME exact manual used by your dealers to fix your vehicle.
⦁ The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
⦁ Any queries / doubts regarding your purchase, please feel free to contact [email protected]
