Yanmar 2TNV70 Service Manual

Also see for 2TNV70: Service manual Operation manual Service manual

Contents

TNV IDI Service Manual 6-1TNV IDI Service Manual Section 6ENGINEPageBefore You Begin Servicing ............................................................ 6-3Introduction...................................................................................... 6-4Cylinder Head Specifications .......................................................... 6-4Adjustment Specifications ......................................................... 6-4Cylinder Head............................................................................ 6-4Intake / Exhaust Valve and Guide ............................................. 6-5Push Rod................................................................................... 6-5Valve Spring .............................................................................. 6-5Rocker Arm and Shaft ............................................................... 6-6Camshaft and Timing Gear Train Specifications............................. 6-6Camshaft ................................................................................... 6-6Idler Gear Shaft and Bushing .................................................... 6-7Timing Gear Backlash ............................................................... 6-7Crankshaft and Pistons Specifications ............................................ 6-7Crankshaft ................................................................................. 6-7Crankshaft Reconditioning ........................................................ 6-8Thrust Bearing ........................................................................... 6-8Piston......................................................................................... 6-9Piston Ring .............................................................................. 6-10Connecting Rod....................................................................... 6-11Tappet ..................................................................................... 6-12Cylinder Block Specifications ........................................................ 6-12Cylinder Block.......................................................................... 6-12Special Torque Chart .................................................................... 6-13Torque for Bolts and Nuts........................................................ 6-13Special Service Tools.................................................................... 6-14Measuring Instruments.................................................................. 6-16