Komatsu PC490LC-10 Hydraulic Excavator Shop Manual SEN05622-05
Original price was: $44.95.$27.95Current price is: $27.95.
Complete Komatsu PC490LC-10 hydraulic excavator shop manual SEN05622-05 covering specifications, structure and function, standard values, testing and adjusting, troubleshooting, disassembly and assembly, maintenance standards, and hydraulic/electrical diagrams for serial number 80001 and up.
Description
Komatsu PC490LC-10 Hydraulic Excavator Shop Manual SEN05622-05
This Komatsu PC490LC-10 Hydraulic Excavator Shop Manual SEN05622-05 is the complete workshop reference for the PC490LC-10, covering serial number 80001 and up. Published under document number SEN05622-05, it provides every specification, procedure, and diagnostic table a technician needs to maintain, test, and overhaul this machine from top to bottom.
File Details
- Manual Type: Shop Manual
- Brand: Komatsu
- Model: PC490LC-10
- Serial Number: 80001 and up
- Engine: Komatsu SAA6D125E-6 diesel engine
- Language: English
- File Format: PDF
- Document Number: SEN05622-05
Chapters Covered
The Komatsu PC490LC-10 Hydraulic Excavator Shop Manual SEN05622-05 is organized into the following major chapters, each further divided into detailed sub-sections:
- 00 Index and foreword — Important safety notice, how to read the shop manual, explanation of terms for maintenance standard, handling of fuel system devices, intake system parts, hydraulic equipment, electrical equipment, how to read electric wire code, precautions when performing operation, practical use of KOMTRAX, standard tightening torque table, list of abbreviation, conversion table
- 01 Specification — Specification drawing, working range drawing, specification tables, table of weight, table of fuel, coolant and lubricants
- 10 Structure and function — Engine and cooling system (KVGT, EGR system, EGR valve, EGR cooler, KCCV, KDPF, cooling system, cooling fan pump and motor), Power train (swing circle, swing machinery, final drive), Undercarriage and frame (track frame, idler cushion), Hydraulic system (hydraulic component layout, valve control, hydraulic tank, CLSS, main pump, control valve, swing motor, travel motor, PPC valve, solenoid valve, attachment circuit selector valve, center swivel joint, accumulator), Work equipment, Cab and its attachments, Electrical system (electrical control system, machine monitor system, KOMTRAX system, sensors)
- 20 Standard value tables — Standard service value table, Standard value table for engine, Standard value table for machine
- 30 Testing and adjusting — Engine and cooling system (testing engine speed, boost pressure, exhaust gas color, valve clearance, compression pressure, blowby pressure, engine oil pressure, EGR valve and KVGT oil pressure, fuel pressure, fuel leakage and return, bleeding air from fuel system), Power train, Undercarriage and frame, Hydraulic system (releasing remaining pressure, testing and adjusting oil pressure in work equipment, swing and travel circuits, control circuit, pump PC control circuit, pump LS control circuit, solenoid valve output pressure, PPC valve output pressure, pump swash plate sensor, fan speed, fan pump circuit, fan pump EPC current, isolating hydraulic drift, testing oil leakage, bleeding air), Cab and its attachments, Electrical system (special functions of machine monitor, adjusting rearview camera angle, handling voltage circuit of engine controller, handling battery disconnect switch, testing diodes), Pm clinic check sheet
- 40 Troubleshooting — Related information on troubleshooting, checks before troubleshooting, inspection procedure, preparation for electrical system troubleshooting, classification and procedure, symptom and troubleshooting numbers, connector list and layout, connector contact identification, T-branch box and adapter table, fuse box connection table, precautions for KDPF cleaning and replacement, failure codes table, troubleshooting by failure code (extensive list from 879AKA through DY2EKB), Troubleshooting of electrical system (E-mode) covering engine start, preheater, machine monitor, gauges, auto-deceleration, working mode, travel speed, swing, wipers, horn, KOMTRAX, and more, Troubleshooting of hydraulic and mechanical system (H-mode) covering speed/power loss, unusual noise, fine control, boom/arm/bucket speed and power, hydraulic drift, time lag, combined operation, travel deviation, travel speed, steering, swing issues, attachment circuits, fan speed, Troubleshooting of engine (S-mode) covering starting, exhaust smoke, startability, pick-up, stalling, rough running, power loss, KDPF clogging, oil consumption, contamination, fuel consumption, coolant issues, oil pressure, unusual noise, vibration, air bleeding, regeneration
- 50 Disassembly and assembly — Engine and cooling system (supply pump, injector, cylinder head, radiator, hydraulic oil cooler, aftercooler, cooling fan and motor, engine and main pump, engine front seal, engine rear seal, engine hood, KDPF, KCCV, air cleaner), Power train (travel motor and final drive, swing motor and swing machinery, swing circle), Undercarriage and frame (track shoe, sprocket, idler and idler cushion, track roller, carrier roller, revolving frame, counterweight), Hydraulic system (center swivel joint, hydraulic tank, main pump, control valve, work equipment PPC valve, travel PPC valve), Work equipment (work equipment assembly, work equipment cylinder), Cab and its attachments (operator’s cab, cab glass, front window, floor frame, air conditioner unit, operator’s seat, seat belt, front wiper), Electrical system (air conditioner compressor, condenser, engine controller, pump controller, machine monitor, pump swash plate sensor, mass air flow and temperature sensor, KOMTRAX terminal)
- 60 Maintenance standard — Engine and cooling system (engine mount, cooling system, cooling fan pump and motor), Power train (swing circle, swing machinery, final drive), Undercarriage and frame (sprocket, track frame and idler cushion, idler, track roller, carrier roller, track shoe), Hydraulic system (main pump, control valve, swing motor, travel motor, PPC valve, solenoid valve, attachment circuit selector valve, center swivel joint), Work equipment (work equipment, work equipment cylinder)
- 80 Appendix — Air conditioner components (precautions for refrigerant, component layout, refrigeration cycle, air conditioner unit, dual pressure switch, controller, compressor, condenser, receiver drier, sunlight sensor, outer temperature sensor), Procedure for testing and troubleshooting, Circuit diagram and connector pins, System diagram, Input/output signals, Parts and connectors layout, Testing procedures (air leakage, self-diagnosis, vent changeover, FRESH/RECIRC, sunlight sensor, pressure switch, relays), Troubleshooting charts, Failure code list related to air conditioner, Troubleshooting for power supply, compressor and refrigerant, blower motor, FRESH/RECIRC changeover, Troubleshooting with gauge pressure, Connection of service tool, Precautions for air conditioner piping, Handling of compressor oil
- 90 Diagrams and drawings — Hydraulic circuit diagram with symbols, Electrical circuit diagram with symbols, Electric circuit diagram for air conditioner unit
Altogether, this Komatsu PC490LC-10 Hydraulic Excavator Shop Manual SEN05622-05 gives you the full factory service information in one place: how each system is built and how it works, what the correct pressures, torques, and clearances are, how to test and adjust every major component, how to diagnose failures by code or symptom, and how to remove, disassemble, assemble, and reinstall every major assembly. It is the same body of technical information a Komatsu service technician would work from.
What This Manual Enables You to Do
With the Komatsu PC490LC-10 Hydraulic Excavator Shop Manual SEN05622-05 on hand, you can tackle the jobs that keep a PC490LC-10 working:
- Engine service — Test and adjust valve clearance, measure compression pressure and blowby, check engine oil pressure, test EGR valve and KVGT oil pressure, bleed the fuel system, and replace injectors, supply pump, cylinder head, and seals using the step-by-step procedures with tightening torques.
- Hydraulic system repair — Test and adjust oil pressure in work equipment, swing, travel, control, PC, and LS circuits. Diagnose hydraulic drift, isolate leaking components, disassemble and assemble the main pump, control valve, swing motor, travel motor, PPC valves, solenoid valves, center swivel joint, and cylinders. All standard values and repair limits are tabulated.
- Electrical diagnostics — Trace faults using the connector list and layout, connector contact identification, fuse box connection table, and the full failure code table with code-specific troubleshooting. Check sensors, solenoid valves, controllers, monitors, and the KOMTRAX system.
- Undercarriage and power train — Test and adjust track tension, service the swing circle, swing machinery, final drive, idler, track rollers, carrier rollers, and sprocket, with full disassembly and assembly procedures and maintenance standards.
- KDPF and emissions systems — Understand the KDPF regeneration process, troubleshoot soot accumulation and regeneration issues, and clean or replace KDPF components following the precautions and reset procedures.
- Scheduled maintenance and PM clinics — Use the Pm clinic check sheet and maintenance standards to perform periodic inspections and preventive maintenance correctly.
Why This Manual Matters
Working on a modern hydraulic excavator without the correct specifications is a recipe for comebacks, damaged components, and unsafe repairs. The Komatsu PC490LC-10 Hydraulic Excavator Shop Manual SEN05622-05 gives you the exact values, procedures, and sequences that Komatsu specifies. It shows you not just what to do, but in what order, with what tools, to what torque, and to what tolerance. That level of detail is what separates a proper repair from a guess.
Who This Manual Is For
This shop manual is intended for professional mechanics, service technicians, fleet maintenance managers, and technically minded owners who need to maintain, repair, or overhaul a Komatsu PC490LC-10. It assumes familiarity with workshop practices and safety procedures, and it provides the machine-specific information that generic repair guides leave out.
Get Instant Access
IMAGES PREVIEW
The Komatsu PC490LC-10 Hydraulic Excavator Shop Manual SEN05622-05 is delivered as an instant PDF download after payment. There is no shipping, no waiting, and no physical book to keep track of. You can view it on any device — laptop, tablet, or smartphone — and print the pages you need for the job at hand. Whether you are diagnosing a fault, planning a rebuild, or just want the correct torque value before you tighten a bolt, this manual puts the answer at your fingertips.
Reviews
There are no reviews yet.