Engine – Cub Cadet Yanmar 3TNV72 User Manual

Page 100

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TNV IDI Service Manual

6-1

TNV IDI Service Manual

Section 6

ENGINE

Page

Before You Begin Servicing ............................................................ 6-3

Introduction...................................................................................... 6-5

Cylinder Head Specifications .......................................................... 6-5

Adjustment Specifications ......................................................... 6-5
Cylinder Head............................................................................ 6-5
Intake / Exhaust Valve and Guide ............................................. 6-6
Push Rod................................................................................... 6-6
Valve Spring .............................................................................. 6-6
Rocker Arm and Shaft ............................................................... 6-7

Camshaft and Timing Gear Train Specifications ............................. 6-7

Camshaft ................................................................................... 6-7
Idler Gear Shaft and Bushing .................................................... 6-8
Timing Gear Backlash ............................................................... 6-8

Crankshaft and Pistons Specifications ............................................ 6-8

Crankshaft ................................................................................. 6-8
Crankshaft Reconditioning ........................................................ 6-9
Thrust Bearing ........................................................................... 6-9
Piston....................................................................................... 6-10
Piston Ring .............................................................................. 6-11
Connecting Rod....................................................................... 6-12
Tappet ..................................................................................... 6-13

Cylinder Block Specifications ........................................................ 6-13

Cylinder Block.......................................................................... 6-13

Special Torque Chart .................................................................... 6-14

Torque for Bolts and Nuts........................................................ 6-14

Special Service Tools.................................................................... 6-15

Measuring Instruments.................................................................. 6-17

TNV_IDI_ServiceManual_(3TNV72 for YN only).book 1 ページ 2007年11月29日 木曜日 午後2時58分

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