Yanmar Fuel Injection Equipment Model YPD-MP2/YPD-MP4 Series Service Manual

Complete service repair manual with Electrical Wiring Diagrams for Yanmar Fuel Injection Equipment Model YPD-MP2, YPD-MP4 Series, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.

Yanmar Fuel Injection Equipment Model YPD-MP2, YPD-MP4 Series workshop service repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.

PRODUCT DETAILS:
Total Pages: 66 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English

M9961-03E070 - Yanmar Fuel Injection Equipment Model YPD-MP2_YPD-MP4 Series Service Manual.pdf

MAIN SECTIONS
1. FOR SAFE SERVICING ・・・ 1
1.1. Warning Symbols ・・・ 1
1.2. Safety Precautions ・・ 2
2. GENERAL INFORMATION ・・・ 4
2.1. Outline of MP pump ・・・ 4
2.2. Specifications ・・・ 5
2.3. Outline of fuel injection pump ・ 6
2.4. Construction of MP-Pump ・ 7
2.4.1. Fuel Injection Part ・ 7
2.4.2. Governor Part ・・・ 8
2.4.3. Delivery Part ・・ 17
2.5. Function of Component ・・・ 18
2.6.  Timer Mechanism
2.6.1. Structure and Functions ・ 20
2.7. C.S.D.(Cold Start Device) ・ 21
2.7.1. Cold Starting Advancer ・・ 21
3. DISASSEMBLY ,REASSEMBLY AND INSPECTION ・ 22
3.1. Disassembly ・・・ 22
3.1.1. Separating the pump body from the governor body ・・ 22
3.1.2. Separating the governor weight CMP ・・ 23
3.1.3. Disassembling the hydraulic head ・・ 23
3.1.4. Separating hydraulic head CMP ・・・ 25
3.1.5. Separating the cam shaft ・ 25
3.1.6. Disassembling the hydraulic head CMP ・・ 27
3.2. Disassembling the Governor ・ 28
3.3. Reassembly ・ 29
3.3.1. Re-assembling the hydraulic head ・・ 29
3.3.2. Re-assembling Cam Shaft ・・・ 30
3.3.3. Install the hydraulic head CMP. ・・ 34
3.3.4. Assembling the Hydraulic Head ・・・ 35
3.4. Re-assembling the Governor ・ 39
3.5. Combining Governor and Pump Bodies ・ 40
4. ADJUSTMENT OF FUEL INJECTION PUMP AND GOVERNOR ・・・ 42
4.1. Preparations ・・・ 42
4.2. Bottom clearance adjustment(Fuel Injection Timing) ・・・ 44
4.2.1. The bottom clearance adjusting value and the Cam classification ・・・ 45
4.3. Adjustment of Governor ・・ 46
4.3.1. Adjustment of No Load Max. Engine Speed ・・ 46
4.3.2. Adjustment of Fuel Limit Bolt ・・ 46
4.3.3. Adjustment of Torque-Rise Point ・・・ 46
4.3.4. Adjustment of Reverse Angleich ・・ 47
4.3.5. Adjustment of Staring Injection Amount ・・ 48
4.3.6. Checking the Injection Stop ・ 48
5. FUEL INJECTION NOZZLE ・ 49
5.1. Functioning of fuel injection nozzle ・ 49
5.2. Type/construction of fuel injection nozzle ・・ 49
5.3. Fuel injection nozzle disassembly ・・・ 50
5.4. Fuel injection nozzle inspection ・ 51
5.4.1. Washing ・ 51
5.4.2. Nozzle inspection ・・ 52
5.5. Fuel injection nozzle reassembly ・・・ 53
5.6. Adjusting fuel injection nozzle ・・ 53
5.6.1. Adjusting opening pressure ・・ 53
5.6.2. Injection test ・・・ 54
6. TROUBLESHOOTING ・・・ 55
6.1. Troubleshooting of fuel injection pump ・ 55
2. Major faults and troubleshooting ・・・ 55
7. TIGHTENING TORQUES FOR MAIN BOLTS AND NUTS ・・・ 58
7.1. Pump part ・・ 58
7.2. Mechanical governor part ・ 59
8. TOOLS ・ 60