Yanmar 3TNV82A Service Manual page 219

TNV DI Service Manual
FUEL SYSTEM
Before You Begin Servicing ............................................................ 7-3
Introduction...................................................................................... 7-5
Fuel Injection Pump................................................................... 7-5
Stop Solenoid ............................................................................ 7-6
Cold Start Device....................................................................... 7-7
Trochoid Fuel Pump .................................................................. 7-7
Fuel System Specifications ............................................................. 7-8
Special Torque Chart................................................................. 7-8
Test and Adjustment Specifications .......................................... 7-8
Special Service Tools...................................................................... 7-9
Measuring Instruments.................................................................... 7-9
Fuel System Diagram.................................................................... 7-10
Fuel System Components ............................................................. 7-12
2-Valve Cylinder Head............................................................. 7-12
4-Valve Cylinder Head............................................................. 7-14
Fuel Injection Pump....................................................................... 7-16
Removal of Fuel Injection Pump.............................................. 7-16
Installation of Fuel Injection Pump........................................... 7-21
Checking and Adjusting Fuel Injection Timing .............................. 7-26
Determining the Fuel Injection Timing Specification................ 7-26
Checking Fuel Injection Timing ............................................... 7-27
Adjusting Fuel Injection Timing................................................ 7-30
TNV DI Service Manual
Section 7
Page
7-1