Komatsu Excavator PC290LC-10 PC290NLC-10 service & repair manual

Description Komatsu Excavator PC290LC-10 PC290NLC-10 service & repair manual

Komatsu Hydraulic Excavator PC290LC-10, PC290NLC-10 pdf workshop service manual + operation & maintenance manual

Serial numbers:
15001 and up
K60001 and up

Technical documentation, specifications, maintenance, troubleshooting, electrical wiring diagrams, hydraulic schematics, adjusting, assembly, disassembly, removal, installation instructions and other information

MANUAL CONTENT:
Index and foreword
Foreword, safety and general information

Specification
Specification drawings
Working range drawings
Specifications
Weight table
Table of fuel, coolant and lubricants

Structure and function
Engine and cooling system
Power train system
Undercarriage and frame
Hydraulic system
Work equipment
Cab and its attachments
Electrical system

Standard service value table
Standard value table for engine related parts
Standard value table for chassis related parts

Testing and adjusting
General information on testing and adjusting
Engine and cooling system
Power train
Undercarriage and frame
Hydraulic system
Cab and its attachments
Electrical system
Pm clinic

Troubleshooting
General information on troubleshooting
Troubleshooting by failure code (Display of code)
Troubleshooting of electrical system (E-mode)
Troubleshooting of hydraulic and mechanical system (H-mode)
Troubleshooting of engine (S-mode)
Auto grease system

Disassembly and assembly
General information on disassembly and assembly
How to read this manual
Coating materials list
Special tools list
Sketches of special tools
Engine and cooling system
Removal and installation of supply pump assembly
Removal and installation of injector assembly
Removal and installation of cylinder head assembly
Removal and installation of radiator assembly
Removal and installation of hydraulic oil cooler assembly
Removal and installation of aftercooler assembly
Removal and installation of engine and main pump assembly
Removal and installation of engine front oil seal
Removal and installation of engine rear oil seal
Removal and installation of fuel cooler assembly
Removal and installation of fuel tank assembly
Removal and installation of engine hood assembly
Removal and installation of KDPF assembly
Disassembly and assembly of KDPF
Removal and installation of KCCV assembly
Removal and installation of air cleaner assembly
Power train system
Removal and installation of travel motor and final drive assembly
Disassembly and assembly of final drive
Removal and installation of swing motor and swing machinery assembly
Disassembly and assembly of swing machinery
Removal and installation of swing circle assembly
Undercarriage and frame
Separation and connection of track shoe assembly
Removal and installation of sprocket
Removal and installation of idler and idler cushion assembly
Disassembly and assembly of idler
Disassembly and assembly of idler cushion
Disassembly and assembly of track roller
Disassembly and assembly of carrier roller
Removal and installation of revolving frame assembly
Removal and installation of counterweight assembly
Hydraulic system
Removal and installation of center swivel joint assembly
Disassembly and assembly of center swivel joint
Removal and installation of hydraulic tank assembly
Removal and installation of main pump assembly
Removal and installation of control valve assembly
Disassembly and assembly of control valve
Disassembly and assembly of work equipment PPC valve
Disassembly and assembly of travel PPC valve
Removal and installation of quick coupler valve
Work equipment
Removal and installation of work equipment assembly
Disassembly and assembly of work equipment cylinder
Cab and its attachments
Removal and installation of operator's cab assembly
Removal and installation of operator cab glass (adhered glass)
Removal and installation of front window assembly
Removal and installation of floor frame assembly
Removal and installation of air conditioner unit assembly
Removal and installation of operator's seat
Removal and installation of seat belt
Removal and installation of front wiper assembly
Electric system
Removal and installation of air conditioner compressor assembly
Removal and installation of air conditioner condenser assembly
Removal and installation of engine controller assembly
Removal and installation of pump controller assembly
Removal and installation of machine monitor assembly
Removal and installation of pump swash plate sensor
Removal and installation of Mass air flow and temperature sensor
Removal and installation of KOMTRAX terminal assembly

Maintenance standard
Engine and cooling system
Power train system
Undercarriage and frame
Hydraulic system

Appendix
Air conditioner
Precautions for refrigerant
Air conditioner component
Configuration and function of refrigeration cycle
Outline of refrigeration cycle
Air conditioner unit
Dual pressure switch
Air conditioner controller
Air conditioner compressor
Air conditioner condenser
Sunlight sensor
Outside air temperature sensor
Procedure for testing and troubleshooting
Circuit diagram and arrangement of connector pins
System diagram
Input and output signals of the air conditioner controller
Parts and connectors layout
Layout of air conditioner related parts and connectors
Testing air leakage (duct)
Testing with self-diagnosis function
How to enter air conditioner "Electrical Systems" screen in service mode of the machine monitor.
Testing vent (mode) changeover
Testing FRESH/RECIRC air changeover
Testing sunlight sensor
Testing (dual) pressure switch for refrigerant
Testing relays
Troubleshooting chart
Information mentioned in troubleshooting table
Failure code list related to air conditioner
Failure code [879AKA] A/C Inner sensor Open Circuit
Failure code [879AKB] A/C Inner sensor Short Circuit
Failure code [879BKA] A/C Outer sensor Open Circuit
Failure code [879BKB] A/C Outer sensor Short Circuit
Failure code [879CKA] Ventilating sensor Open Circuit
Failure code [879CKB] Ventilating sensor Short Circuit
Failure code [879DKZ] Sunlight sensor Open or Short Circuit
Failure code [879EMC] Ventilating Damper Abnormality
Failure code [879FMC] Air Mix Damper Abnormality
Failure code [879GKX] Refrigerant Abnormality
A-1 Troubleshooting for power supply system (Air conditioner does not operate)
A-2 Troubleshooting of compressor system (Air is not cooled)
A-3 Troubleshooting for blower motor system (No air comes out or air flow is abnormal)
A-4 Troubleshooting for FRESH/RECIRC air changeover
Troubleshooting with gauge pressure
Testing refrigerant pressure
Precautions for disconnecting and connecting air conditioner piping
Handling of compressor oil
Desiccant replacement

Diagrams and drawings
Hydraulic circuit diagram
Symbols in hydraulic circuit diagram
Electric circuit diagram
Symbols in electric circuit diagram
Electric circuit diagram for air conditioner unit

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