• Model: C Models
  • Manufactured by: Yanmar
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Yanmar Fuel Injection Equipment (Model YPD-MP2 / YPD-MP4 Series)

Overview

The Yanmar Fuel Injection Equipment (Model YPD-MP2 / YPD-MP4 Series) is a high-performance fuel injection system designed for use in a wide range of diesel engines. This advanced system is renowned for its precision, efficiency, and reliability, making it an ideal choice for demanding applications.

Key Features

  • High-Pressure Common Rail (HPCR) Design: Utilizes a high-pressure common rail to deliver precise fuel delivery at pressures up to 2,000 bar, ensuring optimal combustion and fuel economy.
  • Variable Valve Timing (VVT) Technology: Employs variable valve timing to optimize injection timing and reduce emissions while improving engine performance and fuel efficiency.
  • Piezoelectric Injectors: Features high-speed, piezo-actuated injectors that provide precise and rapid fuel injection, resulting in enhanced combustion, reduced emissions, and improved engine responsiveness.
  • Electronic Control Unit (ECU): Equipped with an advanced ECU that monitors engine parameters and adjusts injection timing, duration, and pressure in real-time, ensuring optimal engine performance and fuel efficiency.
  • Modular Design: Offers a modular design that allows for easy integration into various engine configurations, providing flexibility and customization options.
  • Robust Construction: Engineered with durable components and materials, ensuring long-term reliability and resistance to harsh operating conditions.
  • Comprehensive Diagnostics and Monitoring: Includes advanced diagnostics and monitoring capabilities that enable real-time monitoring of system performance, fault identification, and troubleshooting.

Applications

The Yanmar Fuel Injection Equipment (Model YPD-MP2 / YPD-MP4 Series) is suitable for a variety of diesel engine applications, including:
  • Industrial Engines
  • Automotive Engines
  • Marine Engines
  • Generator Sets
  • Construction Equipment
  • Agricultural Machinery

Benefits

The use of Yanmar Fuel Injection Equipment (Model YPD-MP2 / YPD-MP4 Series) offers numerous benefits, such as:
  • Increased Engine Power and Torque: Optimizes fuel injection timing and delivery, resulting in improved engine power, torque, and acceleration.
  • Reduced Fuel Consumption: Enhances fuel efficiency by optimizing combustion and reducing fuel wastage, leading to lower operating costs.
  • Lower Emissions: Minimizes exhaust emissions, such as NOx and particulate matter (PM), contributing to environmental protection.
  • Improved Engine Response and Drivability: Provides precise fuel control and rapid injection, resulting in enhanced engine responsiveness, smoother acceleration, and improved drivability.
  • Increased Reliability and Durability: Designed with robust components and materials, providing long-term reliability and resistance to demanding operating conditions.
  • Advanced Diagnostics and Monitoring: Enables real-time monitoring of system performance, fault identification, and troubleshooting, ensuring optimal engine operation and minimizing downtime.

Conclusion

The Yanmar Fuel Injection Equipment (Model YPD-MP2 / YPD-MP4 Series) represents the pinnacle of fuel injection technology. Its high-pressure common rail design, advanced VVT technology, and precision piezo-actuated injectors deliver exceptional engine performance, fuel efficiency, and reduced emissions. With a modular design, robust construction, and comprehensive diagnostics, it is ideally suited for a wide range of diesel engine applications, providing enhanced power, torque, fuel economy, and reliability.

This is the COMPLETE Service Repair Manual for the Yanmar Fuel Injection Equipment (Model YPD-MP2 / YPD-MP4 Series). It contains service, repair procedures, assembling, disassembling, wiring diagrams and everything you need to know.

The Service Manual contains detailed information, electrical and hydraulic diagrams, actual real photo illustrations and schemes, which give you complete step-by-step operations on repair, Diagnosing, servicing, technical maintenance & troubleshooting procedures for your machine. this manual offers full information you need for repair your machine. the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service. YOU CAN DO THE REPAIRS YOURSELF AND SAVE MONEY $$$

SERVICE REPAIR MANUAL CONTAINS:
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1. FOR SAFE SERVICING
1.1. Warning Symbols
1.2. Safety Precautions
2. GENERAL INFORMATION
2.1. Outline of MP pump
2.2. Specifications
2.3. Outline of fuel injection pump
2.4. Construction of MP-Pump
2.4.1. Fuel Injection Part
2.4.2. Governor Part
2.4.3. Delivery Part
2.5. Function of Component
2.5.1. F.O. Feed Pump
2.6. Timer Mechanism
2.6.1. Structure and Functions
2.7. C.S.D.(Cold Start Device)
2.7.1. Cold Starting Advancer
3. DISASSEMBLY ,REASSEMBLY AND INSPECTION
3.1. Disassembly
3.1.1. Separating the pump body from the governor body
3.1.2. Separating the governor weight CMP
3.1.3. Disassembling the hydraulic head
3.1.4. Separating hydraulic head CMP
3.1.5. Separating the cam shaft
3.1.6. Disassembling the hydraulic head CMP
3.2. Disassembling the Governor
3.3. Reassembly
3.3.1. Re-assembling the hydraulic head
3.3.2. Re-assembling Cam Shaft
3.3.3. Install the hydraulic head CMP.
3.3.4. Assembling the Hydraulic Head
3.4. Re-assembling the Governor
3.5. Combining Governor and Pump Bodies
4. ADJUSTMENT OF FUEL INJECTION PUMP AND GOVERNOR
4.1. Preparations
4.2. Bottom clearance adjustment(Fuel Injection Timing)
4.2.1. The bottom clearance adjusting value and the Cam classification
4.3. Adjustment of Governor
4.3.1. Adjustment of No Load Max. Engine Speed
4.3.2. Adjustment of Fuel Limit Bolt
4.3.3. Adjustment of Torque-Rise Point
4.3.4. Adjustment of Reverse Angleich
4.3.5. Adjustment of Staring Injection Amount
4.3.6. Checking the Injection Stop
5. FUEL INJECTION NOZZLE
5.1. Functioning of fuel injection nozzle
5.2. Type/construction of fuel injection nozzle
5.3. Fuel injection nozzle disassembly
5.4. Fuel injection nozzle inspection
5.4.1. Washing
5.4.2. Nozzle inspection
5.5. Fuel injection nozzle reassembly
5.6. Adjusting fuel injection nozzle
5.6.1. Adjusting opening pressure
5.6.2. Injection test
6. TROUBLESHOOTING
6.1. Troubleshooting of fuel injection pump
6.2. Major faults and troubleshooting
7. TIGHTENING TORQUES FOR MAIN BOLTS AND NUTS
7.1. Pump part
7.2. Mechanical governor part
8. TOOLS

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** Model Specification: Yanmar Fuel Injection Equipment (Model YPD-MP2 / YPD-MP4 Series)
** Language: English
** File Format: PDF
** Requirements: Adobe PDF Reader
** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc...

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This QUALITY manual is 100 percents COMPLETE and INTACT, no MISSING/CORRUPT pages/sections to freak you out! It also is SEARCHABLE to make what you need easy to find. Complete download comes in PDF format which can work under all PC based Windows operating system and Mac also. It saves to your hard-drive and can be burned to CD-ROM. It can be viewed on any computer, as well as zoomed and printed.

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