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This complete service repair workshop manual PDF download for the Hitachi EX550-3 Hydraulic Excavator has easy to read text sections with top quality diagrams, pictures and illustrations. The step by step instructions show you how to fault find or complete any repair or overhaul, correctly and efficiently, saving time and avoiding costly mistakes. All specifications and tolerances are listed. Functions of components and systems are also explained.
TABLE OF CONTENTS :
SECTION 1 GENERAL INFOMATION
GROUP 1 Precautions for Disassembling and Assembling
GROUP 2 Tightening
SECTION 2 UPPERSTRUCTURE
GROUP 1 Cab
GROUP 2 Counterweight
GROUP 3 Main Frame
GROUP 4 Pump device
GROUP 5 Control Valve
GROUP 6 Swing Device
GROUP 7 Pilot Valve
GROUP 8 Pilot Shut-Off Valve
GROUP 9 Shockless Valve
GROUP 10 Accumulator
GROUP 11 Solenoid Valve
GROUP 12 Shuttle Vavle
SECTION 3 UNDERCARRIAGE
GROUP 1 Swing Bearing
GROUP 2 Travel Device
GROUP 3 Center Joint
GROUP 4 Track Adjuster
GROUP 5 Front Idler
GROUP 6 Upper and Lower Roller
GROUP 7 Track
SECTION 4 FRONT ATTACHMENT
GROUP 1 Front Attachment
GROUP 2 Cylinder
MANUAL SPECIFICATION :
File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Manual No. : KM-116E
Vol. No. : W116E-OO
Total Pages : 330
This service repair workshop manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same Repair Service manual your local dealer will use when doing a repair.
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SECTION 1 GENERAL INFOMATION
GROUP 1 Precautions for Disassembling and Assembling
PRECAUTIONS FOR DISASSEMBLING AND ASSEMBLING
GROUP 2 Tightening
TORQUE SPECIFICATIONS
STANDARD TORQUE SPECIFICATIONS
PIPING JOINT
SECTION 2 UPPERSTRUCTURE
GROUP 1 Cab
REMOVE AND INSTALL CAB
DIMENSIONS OF THE CAB GLASS
GROUP 2 Counterweight
REMOVE AND INSTALL COUNTERWEIGHT
GROUP 3 Main Frame
REMOVE AND INSTALL MAIN FRAME
GROUP 4 Pump device
REMOVE AND INSTALL PUMP
DISASSEMBLE MAIN PUMP
ASSEMBLE MAIN PUMP
DISASSEMBLE AND ASSEMBLE PILOT PUMP
GROUP 5 Control Valve
REMOVE AND INSTALL CONTROL VALVE
DISASSEMBLE CONTROL VALVE
ASSEMBLE CONTROL VALVE
GROUP 6 Swing Device
REMOVE AND INSTALL SWING DEVICE
DISASSEMBLE SWING REDUCTION GEARS
ASSEMBLE SWING REDUCTION GEARS
REMOVE AND INSTALL SWING MOTOR
DISASSEMBLE SWING MOTOR
ASSEMBLE SWING MOTOR
MAINTENAMCE STANDARD
GROUP 7 Pilot Valve
REMOVE AND INSTALL LEFT PILOT VALVE
REMOVE AND INSTALL RIGHT PILOT VALVE
DISASSEMBLE RIGHT AND LEFT PILOT VALVE
ASSEMBLE RIGHT AND LEFT PILOT VALVE
REMOVE AND INSTALL TRAVEL PILOT VALVE
DISASSEMBLE TRAVEL PILOT VALVE
ASSEMBLE TRAVEL PILOT VALVE
GROUP 8 Pilot Shut-Off Valve
REMOVE AND INSTALL PILOT SHUT-OFF VALVE
Disassemble Pilot Shut Off Valve
DISASSEMBLE PILOT SHUT-OFF VALVE
ASSEMBLE PILOT SHUT-OFF VALVE
GROUP 9 Shockless Valve
REMOVE AND INSTALL SHOCKLESS VALVE (FOR DIGGING/SWING)
DISASSEMBLE AND ASSEMBLE SHOCKLESS VALVE (FOR DIGGING/SWING)
REMOVE AND INSTALL SHOCKLESS VALVE (FOR TRAVELING)
DISASSEMBLE AND ASSEMBLE SHOCKLESS VALVE (FOR TRAVELING)
GROUP 10 Accumulator
REMOVE AND INSTALL ACCUMULATOR
GROUP 11 Solenoid Valve
REMOVE AND INSTALL SOLENOID VALVE 1
DISASSEMBLE AND ASSEMBLE SOLENOID VALVE 1
DISASSEMBLE AND ASSEMBLE SOLENOID VALVE 2
GROUP 12 Shuttle Vavle
REMOVE AND INSTALL TRAVEL SHUTTLE VALVE
DISASSEMBLE AND ASSEMBLE TRAVEL SHUTTLE VALVE
REMOVE AND INSTALL SWING/BUCKET SHUTTLE VALVE
DISASSEMBLE AND ASSEMBLE SWING/BUCKET SHUTTLE VALVE
SECTION 3 UNDERCARRIAGE
GROUP 1 Swing Bearing
REMOVE AND INSTALL SWING BEARING
DISASSEMBLE SWING BEARING
ASSEMBLE SWING BEARING
GROUP 2 Travel Device
REMOVE AND INSTALL TRAVEL DEVICE
DISASSEMBBLE TRAVEL DEVICE
ASSEMBLE TRAVEL DEVICE
DISASSEMBLE TRAVEL MOTOR
ASSEMBLE TRAVEL MOTOR
DISASSEMBLE COUNTERBALANCE VALVE
ASSEMBLE COUNTERBALANCE VALVE
MAINTENANCE STANDARD
GROUP 3 Center Joint
REMOVE AND INSTALL CENTER JOINT
DISASSEMBLE CENTER JOINT
ASSEMBLE CENTER JOINT
MAINTENANCE STANDARD
GROUP 4 Track Adjuster
REMOVE AND INSTALL TRACK ADJUSTER
DISASSEMBLE TRACK ADJUSTER
ASSEMBLE TRACK ADJUSTER
GROUP 5 Front Idler
REMOVE AND INSTALL FRONT IDLER
DISASSEMBLE FRONT IDLER
ASSEMBLE FRONT IDLER
MAINTENANCE STANDARD
GROUP 6 Upper and Lower Roller
REMOVE AND INSTALL UPPER ROLLER
REMOVE AND INSTALL LOWER ROLLER
DISASSEMBLE UPPER ROLLER
ASSEMBLE UPPER ROLLER
DISASSEMBLE LOWER ROLLER
ASSEMBLE LOWER ROLLER
MAINTENANCE STANDARD
GROUP 7 Track
TRACK
REMOVE AND INSTALL TRACK
MAINTENANCE STANDARD
SECTION 4 FRONT ATTACHMENT
GROUP 1 Front Attachment
REMOVE AND INSTALL FRONT ATTACHMENT
MAINTENANCE STANDARD
GROUP 2 Cylinder
REMOVE AND INSTALL CYLINDER
DISASSEMBLE CYLINDER
ASSEMBLE CYLINDER
MAINTENANCE STANDARD
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