Yanmar 3TNV82A Service Manual page 127

TNV DI Service Manual
Before You Begin Servicing ............................................................ 6-3
Introduction...................................................................................... 6-6
Cylinder Head Specifications .......................................................... 6-6
Adjustment Specifications ......................................................... 6-6
Cylinder Head............................................................................ 6-6
Intake / Exhaust Valve and Guide ............................................. 6-7
Push Rod................................................................................... 6-8
Valve Spring .............................................................................. 6-9
Rocker Arm and Shaft ............................................................... 6-9
Camshaft and Timing Gear Train Specifications........................... 6-10
Camshaft ................................................................................. 6-10
Idler Gear Shaft and Bushing .................................................. 6-12
Timing Gear Backlash ............................................................. 6-12
Crankshaft and Piston Specifications............................................ 6-13
Crankshaft ............................................................................... 6-13
Thrust Bearing ......................................................................... 6-14
Piston....................................................................................... 6-15
Piston Ring .............................................................................. 6-17
Connecting Rod....................................................................... 6-21
Tappet ..................................................................................... 6-22
Cylinder Block Specifications ........................................................ 6-22
Cylinder Block.......................................................................... 6-22
Special Torque Chart .................................................................... 6-23
Torque for Bolts and Nuts........................................................ 6-23
Special Service Tools.................................................................... 6-26
Measuring Instruments.................................................................. 6-30
TNV DI Service Manual
Section 6
ENGINE
Page
6-1