Detailed Shop Manual for Komatsu PC300-6, PC300LC-6, PC350-6, PC350LC-6, PC300HD-6, PC300LL-6, PC350HD-6, PC350LL-6 Hydraulic Excavator 1995-2002
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Sample pages from the Detailed Shop Manual for Komatsu PC300-6, PC300LC-6, PC350-6, PC350LC-6, PC300HD-6, PC300LL-6, PC350HD-6, PC350LL-6 Hydraulic Excavator 1995-2002 manual
Purchase Information
Technical Specifications
- Document Number / Seller:
- 28423 / Ronald Hernandez
- File Size:
- 34.43 MB
- File Type:
- Language:
- English
- Pages:
- 809
- Printable:
- Yes
- Estimated Download Time:
- 0.71 Minutes
- Delivery Format:
- Digital (PDF) - Instant Access
- Category:
- Excavator
- Brand:
- Komatsu
- Reviewed and Approved:
- Dec 29, 2025
Komatsu Models and Parts Covered in this Excavator Manual
- Komatsu PC300-6 Avance (1995-2002)
- Komatsu PC300LC-6 Avance (1995-2002)
- Komatsu PC350-6 Avance (1995-2002)
- Komatsu PC350LC-6 Avance (1995-2002)
- Komatsu PC300HD-6 Avance (1995-2002)
- Komatsu PC300LL-6 Avance (1995-2002)
- Komatsu PC350HD-6 Avance (1995-2002)
- Komatsu PC350LL-6 Avance (1995-2002)
- Komatsu PC400-6 Avance (1995-2002)
Complete Manual Information
1995-2002 Komatsu PC300-6, PC350-6 Shop Manual | Avance Series
Master the maintenance and repair of your Komatsu heavy machinery with this definitive, factory-level Shop Manual. Covering the legendary Avance Series produced between 1995 and 2002, this manual is the essential technical resource for owners, fleet managers, and professional mechanics working on high-performance hydraulic excavators.
This publication (SEBM014307) provides the exact service procedures and engineering specifications used by factory-trained technicians to ensure maximum uptime and structural integrity of your equipment.
Complete Model & Serial Number Coverage
This manual is specifically authored for the following machine configurations:
- Komatsu PC300-6 Avance (1995-2002) | Serial No: 33001 and up
- Komatsu PC300LC-6 Avance (1995-2002) | Serial No: 33001 and up
- Komatsu PC350-6 Avance (1995-2002) | Serial No: 12001 and up
- Komatsu PC350LC-6 Avance (1995-2002) | Serial No: 12001 and up
- Komatsu PC300HD-6 / PC350HD-6 Heavy Duty Excavators
- Komatsu PC300LL-6 / PC350LL-6 Log Loaders
- Komatsu PC400-6 Avance Loading Shovel (Special section for electrical circuits)
Deep-Dive Technical Content
- SAA6D108-2 Engine Integration: Specialized data for the water-cooled, 6-cylinder turbocharged engine, including flywheel horsepower (231.7 HP at 2,050 rpm) and torque specifications.
- Advanced Hydraulic Control (CLSS): Complete breakdown of the Closed-center Load Sensing System, including pressure compensation valves, LS-EPC solenoids, and arm regeneration circuits.
- Electronic Control System: Comprehensive troubleshooting for the engine throttle and pump controller, featuring detailed bit patterns for monitoring mode diagnostics.
- Undercarriage & Structure: Precise wear limits for track shoes (Triple Grouser 600mm/700mm/800mm), idlers, and carrier rollers to ensure long-term stability.
- Electrical & Wiring Diagrams: Full-color referenced schematics for standard machines and those equipped with power windows and front window auto pull-up systems.
Professional-Grade Sections
- Structure and Function: Understand the internal mechanics of the swing machinery (reduction ratio 24.265) and final drives (reduction ratio 58.943).
- Testing and Adjusting: Step-by-step guides for measuring boost pressure, oil pressure, and hydraulic drift.
- Disassembly and Assembly: Detailed teardown instructions for major components like the starting motor, radiator, and the complete revolving frame.
- Maintenance Standard: Critical technical benchmarks and tightening torques (KES standards) for every bolt and joint.
- Safety protocols: Crucial safety notices regarding high-pressure hydraulic circuits and heavy component hoisting.
Why This Manual is Essential
Owning this shop manual provides a clear benefit: it eliminates guesswork. Whether you are performing a simple oil change (Pan capacity: 28-31 liters) or a complex swing motor overhaul, you have access to the exact tolerances and procedures required to maintain factory performance. By following the "Testing and Adjusting" protocols, you can proactively identify issues before they lead to costly job-site failures.
Invest in the longevity of your Komatsu fleet with the most detailed and accurate technical documentation available for the PC300 and PC350 series.
Download Instructions for Komatsu Excavator Manual
Frequently Asked Questions - Komatsu Excavator Manual
Is this manual suitable for beginners?
Yes, this Komatsu manual is designed for both professional technicians and DIY enthusiasts. It includes step-by-step procedures with clear illustrations and safety guidelines for Excavator maintenance and repair.
What file format will I receive?
You will receive this manual as a PDF file (34.43 MB), which is compatible with all devices. The manual is fully searchable and printable for your convenience.
How quickly can I access the manual after purchase?
You'll receive instant access to your Komatsu Excavator manual immediately after payment completion. The download link is valid for 3 days, with lifetime re-download guarantee.
Can I print specific sections of the manual?
Absolutely! This digital manual allows you to print any section you need, from individual pages to complete chapters, making it perfect for workshop use.
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