Official Komatsu PC150-5 Hydraulic Excavator Shop Manual 1991
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Sample pages from the Official Komatsu PC150-5 Hydraulic Excavator Shop Manual 1991 manual
Purchase Information
Technical Specifications
- Document Number / Seller:
- 30470 / Walter Brown
- File Size:
- 21.15 MB
- File Type:
- Language:
- English
- Pages:
- 520
- Printable:
- Yes
- Estimated Download Time:
- 0.43 Minutes
- Delivery Format:
- Digital (PDF) - Instant Access
- Category:
- Excavator
- Brand:
- Komatsu
- Reviewed and Approved:
- Dec 21, 2025
Komatsu Models and Parts Covered in this Excavator Manual
- PC150-5 Triple shoe (1991 and up)
- PC150-5 Wide triple-shoe 600 mm (1991 and up)
- PC150-5 Wide triple-shoe 700 mm (1991 and up)
- PC150-5 Swamp-shoe (1991 and up)
Complete Manual Information
Official Shop Manual for Komatsu PC150-5 Hydraulic Excavator
Maximize the performance and service life of your Komatsu PC150-5 with the definitive technical authority. This high-level Shop Manual is specifically engineered for owners, fleet managers, and technicians responsible for the maintenance and repair of the Komatsu PC150-5 Hydraulic Excavator. Covering machines starting from Serial Number 6001 and up, this document provides the exact factory specifications and step-by-step procedures required to keep your excavator in peak operating condition.
This manual is not just a guide; it is a comprehensive technical blueprint. It features deep-dives into the S6D95L-1 engine integration, complex hydraulic systems, and the advanced PEMC (Pump and Engine Mutual Control) System. Whether you are performing a routine service or a complete component overhaul, this resource eliminates guesswork and ensures every adjustment meets Komatsu’s rigorous factory standards.
Technical Model Coverage & Applications
This manual is tailored for the following model configurations, with specific focus on ground pressure and flotation requirements:
- PC150-5 Triple shoe (1991 and up) – The standard configuration for normal soil and river work.
- PC150-5 Wide triple-shoe 600 mm (1991 and up) – Enhanced stability for softer terrain.
- PC150-5 Wide triple-shoe 700 mm (1991 and up) – High-flotation setup for sensitive ground.
- PC150-5 Swamp-shoe 720 mm (1991 and up) – Specialized configuration for extremely soft or marshy conditions.
Pro-Level Service Authority: Key Sections
- OLSS & PEMC System Expertise: Master the Open Center Load Sensing System (OLSS) and the Pump & Engine Mutual Control (PEMC). Learn how the system optimizes fuel economy by controlling the swash plate angle of the variable-displacement piston pump.
- Engine & Power Train Integration: Detailed data on the S6D95L-1 engine mounting, including a 440 kg assembly weight (dry). Includes full specifications for the Final Drive (47.571 reduction ratio) and Swing Machinery (20.893 reduction ratio).
- Hydraulic Precision: Comprehensive coverage of the HPV071+071 Hydraulic Pump, including the TVC Valve, CO Valve (Cut-off control), and NC Valve (Pump Neutral Control) operations to ensure smooth and efficient multifunction performance.
- Undercarriage & Maintenance Standards: Exact tolerances for the Track Frame, Idlers, Carrier Rollers, and Track Shoes. Access the specific Maintenance Standard section for judgement limits on wear and replacement.
- Schematics & Circuitry: Includes the full Electrical Circuit Diagram and Hydraulic Circuit Diagram. Quickly diagnose issues with sensors, solenoid valves (Swing Brake, Travel Speed, CO Cancel), and the EMACC (Electronic Monitor and Control Console).
Comprehensive Technical Specifications Included:
- Fluid Capacities: Engine oil (19L), Hydraulic system (190L total / 135L refill), and Final drive (4L per side).
- Standard Tightening Torques: Comprehensive charts for bolts and nuts (6mm to 39mm), split flange bolts, and flared nuts.
- Component Weights: Detailed table for hoisting and transport (e.g., Counterweight: 2,750 kg; Boom: 1,085 kg; Revolving frame: 1,330 kg).
- Testing & Adjusting: Procedures for checking relief set pressures, engine speeds, and hydraulic sensor outputs.
Invest in the factory-level intelligence required to maintain the reliability and resale value of your Komatsu PC150-5 Hydraulic Excavator.
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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 (21.15 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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