This Shop Manual provides comprehensive information for the Komatsu PC45MRX-1 Hydraulic Excavator, serial numbers 1001 and upwards. Engineered for demanding construction and earthmoving applications, this machine embodies Komatsu's commitment to robust design and operational efficiency. Its advanced hydraulic systems and durable construction ensure reliable performance in challenging environments, making it a trusted asset for professionals seeking powerful and precise equipment.
This manual serves as an essential resource for maintaining and repairing the Komatsu PC45MRX-1 Hydraulic Excavator. It covers critical areas including safety protocols, detailed structure and function explanations, testing and adjustment procedures, disassembly and assembly guidelines, and maintenance standards. With extensive coverage of components from the engine and powertrain to the hydraulic systems and electrical circuits, this 946-page English-language guide empowers owners, technicians, and mechanics to ensure optimal performance and longevity of their equipment.
This sale is for the Shop Manual, in PDF format, for the Komatsu PC45MRX-1 (Hydraulic Excavator), serial numbers 1001 and upwards.
Contents include:
Safety
Structure, Function
Testing and Adjusting
Disassembly and Assembly
Maintenance Standard
Others
For more in depth contents please see the bottom of this page.
This is a 946 page comprehensive workshop manual delivered to you by instant download, after purchase, in PDF format.
This manual is setup to enable prints, so that you may store a copy for instant use and backup.
You will not find a better manual for this excellent machine.
Detailed Contents
Structure and Function
• Engine Control
• PTO
• Radiator and Oil Cooler
• Power Train
• Swing Circle
• Swing Machinery
• Track Frame
• Idler Cushion
• Hydraulic Piping
• Valve Control
• Hydraulic Tank
• CLSS
• Hydraulic Pump
• LS / PC Valve and Servo Piston
• Solenoid Valve
• Control Valve
• Swing Motor
• Center Swivel Joint
• Travel Motor
• PPC Valve
• Service PPC Valve
• Work Equipment
• Air Conditioner
• Actual Electrical Wiring Diagram
• Machine Monitor System
Testing and Adjustment
• Standard Value Table for Engine Related Parts
• Standard Value Table for Chassis Related Parts
• Testing and Adjusting
• Troubleshooting
Disassembly and Assembly
• Special Tool List
• Sketches of Special Tools
• Starting Motor
• Alternator
• Fuel Injection Pump
• Nozzle Holder
• Water Pump
• Thermostat
• Engine Front Seal
• Engine Rear Seal
• Cylinder Head
• Radiator, Hydraulic Cooler
• Engine, Main Pump
• Damper
• Center Swivel Joint
• Travel Motor
• Sprocket
• Swing Motor, Swing Machinery
• Swing Motor
• Revolving Frame
• Swing Circle
• Idler
• Recoil Spring
• Track Roller
• Carrier Roller
• Rubber Shoe
• Hydraulic Tank
• Fuel Tank
• Main Pump
• Swing Gear Pump
• PPC Pump
• Main Control Valve
• Work Equipment Left PPC Valve
• Work EQUIPMENT Right PPC Valve
• Work Equipment PPC Valve
• Boom Cylinder
• Arm Cylinder
• Bucket Cylinder
• Swing Cylinder
• Blade Cylinder
• Hydraulic Cylinder
• Work Equipment
• Bucket
• Arm
• Bucket, Arm
• Swing Bracket
• Blade
• Seat Bracket
• Solenoid Valve
• Heater
• Floor Frame
• Canopy
• Operators CAB
• Counterweight
• Hydraulic Breaker
Maintenance Standard
• Swing Circle
• Swing Machinery
• Track Frame
• Idler
• Track Roller
• Carrier Roller
• Track Shoe
• Sprocket
• Hydraulic Pump
• Control Valve
• Swing Motor
• Travel Motor
• PPC Valve
• Service PPC Valve
• Center Swivel Joint
• Hydraulic Cylinder
• Work Equipment
• Dimensions of Work Equipment
Others
• Hydraulic Circuit Diagram
• Electrical Circuit Diagram
This sale is for the Shop Manual, in PDF format, for the Komatsu PC45MRX-1 (Hydraulic Excavator), serial numbers 1001 and upwards.
Contents include:
Safety
Structure, Function
Testing and Adjusting
Disassembly and Assembly
Maintenance Standard
Others
For more in depth contents please see the bottom of this page.
This is a 946 page comprehensive workshop manual delivered to you by instant download, after purchase, in PDF format.
This manual is setup to enable prints, so that you may store a copy for instant use and backup.
You will not find a better manual for this excellent machine.
Detailed Contents
Structure and Function
• Engine Control
• PTO
• Radiator and Oil Cooler
• Power Train
• Swing Circle
• Swing Machinery
• Track Frame
• Idler Cushion
• Hydraulic Piping
• Valve Control
• Hydraulic Tank
• CLSS
• Hydraulic Pump
• LS / PC Valve and Servo Piston
• Solenoid Valve
• Control Valve
• Swing Motor
• Center Swivel Joint
• Travel Motor
• PPC Valve
• Service PPC Valve
• Work Equipment
• Air Conditioner
• Actual Electrical Wiring Diagram
• Machine Monitor System
Testing and Adjustment
• Standard Value Table for Engine Related Parts
• Standard Value Table for Chassis Related Parts
• Testing and Adjusting
• Troubleshooting
Disassembly and Assembly
• Special Tool List
• Sketches of Special Tools
• Starting Motor
• Alternator
• Fuel Injection Pump
• Nozzle Holder
• Water Pump
• Thermostat
• Engine Front Seal
• Engine Rear Seal
• Cylinder Head
• Radiator, Hydraulic Cooler
• Engine, Main Pump
• Damper
• Center Swivel Joint
• Travel Motor
• Sprocket
• Swing Motor, Swing Machinery
• Swing Motor
• Revolving Frame
• Swing Circle
• Idler
• Recoil Spring
• Track Roller
• Carrier Roller
• Rubber Shoe
• Hydraulic Tank
• Fuel Tank
• Main Pump
• Swing Gear Pump
• PPC Pump
• Main Control Valve
• Work Equipment Left PPC Valve
• Work EQUIPMENT Right PPC Valve
• Work Equipment PPC Valve
• Boom Cylinder
• Arm Cylinder
• Bucket Cylinder
• Swing Cylinder
• Blade Cylinder
• Hydraulic Cylinder
• Work Equipment
• Bucket
• Arm
• Bucket, Arm
• Swing Bracket
• Blade
• Seat Bracket
• Solenoid Valve
• Heater
• Floor Frame
• Canopy
• Operators CAB
• Counterweight
• Hydraulic Breaker
Maintenance Standard
• Swing Circle
• Swing Machinery
• Track Frame
• Idler
• Track Roller
• Carrier Roller
• Track Shoe
• Sprocket
• Hydraulic Pump
• Control Valve
• Swing Motor
• Travel Motor
• PPC Valve
• Service PPC Valve
• Center Swivel Joint
• Hydraulic Cylinder
• Work Equipment
• Dimensions of Work Equipment
Others
• Hydraulic Circuit Diagram
• Electrical Circuit Diagram
