Yanmar ViO12-2A, Service Manual

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CHAPTER 4
ENGINE
4-1 Exploded View (General layouts of major engine components) .......... 4-1-1
4-2 Measurement, Inspection and Adjustment .......................................... 4-2-1
4-2-1 Measuring the Compression Pressure....................................... 4-2-1
4-2-2 Adjusting the Valve Clearance................................................... 4-2-2
4-2-3 Checking the V-belt Tension...................................................... 4-2-3
4-2-4 Checking the Fuel Injection Valve.............................................. 4-2-3
4-2-5 Checking and Adjusting Fuel Injection Timing ........................... 4-2-5
4-2-6 Adjusting the Maximum (or Minimum) Idling Speed ................ 4-2-10
4-2-7 Checking the Cooling Water System and
Radiator for Water Leakage .................................................... 4-2-10
4-2-8 Checking the Sensors.............................................................. 4-2-11
4-3 Measurement Procedure, Service Data and Corrective Action ........... 4-3-1
4-3-1 Cylinder Head ............................................................................ 4-3-1
4-3-2 Cylinder Block ............................................................................ 4-3-6
4-3-3 Valve Rocker Arm ...................................................................... 4-3-8
4-3-4 Piston and Piston Rings........................................................... 4-3-10
4-3-5 Connecting Rod ....................................................................... 4-3-13
4-3-6 Cam shaft................................................................................. 4-3-16
4-3-7 Crank shaft............................................................................... 4-3-17
4-3-8 Gears ....................................................................................... 4-3-20
4-3-9 Trochoid Pump......................................................................... 4-3-21
4-4 Precautions for Reassembly................................................................ 4-4-1
4-5 Electrical Equipment ............................................................................ 4-5-1
4-5-1 Starter Motor .............................................................................. 4-5-1
4-5-2 Alternator ................................................................................... 4-5-2