Komatsu PC120-5K PC130-5K PC150HD-5K PC180LC-5K Shop Manual PDF

Description

Komatsu PC120-5K PC130-5K PC150HD-5K PC180LC-5K Shop Manual

This Komatsu PC120-5K PC130-5K PC150HD-5K PC180LC-5K Shop Manual is a comprehensive workshop document covering seven excavator models in the 5K series. It provides the structure and function explanations, testing and adjusting procedures, disassembly and assembly instructions, and maintenance standards required for professional repair and servicing of these machines.

File Details

• Manual Type: Shop Manual (Chassis volume)
• Brand: Komatsu
• Models Covered: PC120-5K, PC130-5K, PC150HD-5K, PC150NHD-5K, PC180LC-5K, PC180LLC-5K, PC180NLC-5K
• Engines Referenced: 1004-4T (PC120, PC130-5K, PC150HD, NHD-5K), 1006-6T (PC180LC, LLC, NLC-5K)
• Language: English
• Format: PDF
• Page Count: 1,000+ pages of technical content
• Document Sections: 10 Structure and Function, 20 Testing and Adjusting, 30 Disassembly and Assembly, 40 Maintenance Standard

Chapters Covered

The manual is organized into four major sections, each divided into detailed subsections that cover every major system and component of the machine.

• 10 Structure and Function
  • P.T.O.
  • Power train
  • Final drive
  • Swing circle
  • Swing machinery
  • Track frame
  • Idler
  • Idler cushion
  • Track roller
  • Carrier roller
  • Track shoe
  • Hydraulic piping
  • Hydraulic circuit diagram
  • Hydraulic tank and fuel tank
  • Hydraulic pump
  • L.H. 6-spool control valve
  • R.H. 5-spool control valve
  • Swing motor
  • Center swivel joint
  • Travel motor
  • Valve control
  • PPC valve
  • Accumulator
  • Safety lock valve
  • Solenoid valve
  • Shuttle valve
  • Boom holding valve
  • Hydraulic cylinder
  • Work equipment
  • Electrical wiring diagram
  • Electrical circuit diagram
  • Engine control system
  • PEMC system
  • EMACC (Electronic Monitor and Control Console)
• 20 Testing and Adjusting
  • Table of judgement standard value
  • Standard value table for electrical system
  • Tools for testing, adjusting, and troubleshooting
  • Adjusting travel of governor motor lever
  • Adjusting engine speed sensor
  • Adjusting travel limit switch
  • Inspection of swing circle bearing clearance
  • Testing and adjusting hydraulic pressure in work equipment, swing, travel circuit
  • Testing and adjusting charging pump pressure
  • Testing and adjusting main pump control pressure
  • Measuring stroke of servo piston
  • Testing and adjusting travel deviation
  • Measuring output pressure of PPC valve
  • Adjusting PPC valve
  • Testing PPC shuttle valve
  • Measuring solenoid valve output port pressure
  • Testing locations causing hydraulic drift of work equipment
  • Bleeding air
  • Releasing remaining pressure in hydraulic circuit
  • Troubleshooting
• 30 Disassembly and Assembly
  • Full teardown and rebuild procedures for all major components
• 40 Maintenance Standard
  • Judgement standards for inspecting disassembled parts

What This Shop Manual Provides

This Komatsu PC120-5K PC130-5K PC150HD-5K PC180LC-5K Shop Manual gives the technician a complete understanding of the machine’s structure and function, along with the correct procedures for testing, adjusting, disassembling, and assembling every major system. The structure and function section explains how each component works, serving as reference material for troubleshooting. The testing and adjusting section provides the checks to perform before and after repairs, the adjustments needed after completion, and troubleshooting charts that correlate problems to causes. The disassembly and assembly section lays out the order to follow when removing, installing, disassembling, or assembling components, with precautions for each operation. The maintenance standard section gives the judgement criteria for inspecting disassembled parts.

The manual covers the full hydraulic system including the main pump (HPV055+055 for PC120/130/150 and HPV071+071 for PC180), control valves, swing motor, travel motor, PPC valves, solenoid valves, and the PEMC system that governs pump and engine mutual control. It also covers the power train, final drive, swing circle, undercarriage components, work equipment cylinders, and the complete electrical system with wiring and circuit diagrams.

Why This Manual Matters

For anyone responsible for maintaining, repairing, or troubleshooting a Komatsu 5K series excavator, having the correct procedures and specifications is essential. This manual provides the standard tightening torques, hydraulic pressure settings, electrical values, and component specifications needed to perform repairs correctly. It covers the PEMC system in detail, including working mode selection, power set selection, auto-deceleration, swing control, travel control, and self-diagnostic functions. The troubleshooting section helps diagnose problems efficiently, and the disassembly and assembly procedures help prevent damage during component removal and installation.

Whether you are servicing the hydraulic pump, rebuilding a travel motor, adjusting the engine speed sensor, testing swing circle bearing clearance, or diagnosing an electrical fault, this manual provides the technical information required.

Get Instant Access

IMAGES PREVIEW

This Komatsu PC120-5K PC130-5K PC150HD-5K PC180LC-5K Shop Manual is delivered as an instant PDF download after payment. No shipping, no waiting. The file can be viewed on any device — computer, tablet, or smartphone — and pages can be printed for use in the workshop. Keep it on hand for every service and repair job on your 5K series excavator.