Challenger MT265B - Page 31

4283035M2 1
CONTENTS
AGCO
®
Iseki Three-Cylinder Diesel Engine
4283035M2
CONTENTS
ISEKI THREE-CYLINDER DIESEL ENGINE ......................................................................................................... 1
Introduction ......................................................................................................................................................... 1
General Information ...................................................................................................................................... 1
General Information and Specifications .............................................................................................................. 3
Specifications ............................................................................................................................................... 3
Performance Curves .................................................................................................................................... 9
Exterior Views and Identification Numbers ................................................................................................. 12
Sectional Views .......................................................................................................................................... 16
Service Standards ............................................................................................................................................ 18
Precaution For Service Operation .............................................................................................................. 18
Service Standards ...................................................................................................................................... 19
Tightening Torque of Major Fasteners ....................................................................................................... 28
Tightening Torque for Standard Bolts ........................................................................................................ 29
Troubleshooting .......................................................................................................................................... 30
Inspection and Adjustment ......................................................................................................................... 36
Engine Body Cylinder Head .............................................................................................................................. 45
Removal Of The Cylinder Head ................................................................................................................. 46
Disassembly ............................................................................................................................................... 47
Inspection ................................................................................................................................................... 47
Assembly of the Cylinder Head .................................................................................................................. 52
Disassembly and Inspection of the Rocker Arm Shaft ............................................................................... 54
Re-Assembly of the Rocker Arm Shaft Assembly ...................................................................................... 55
Inspection of the Push Rods ...................................................................................................................... 55
Installation of the Cylinder Head ................................................................................................................ 56
Engine Body Gear Case ................................................................................................................................... 59
Removal of the Gear Case ......................................................................................................................... 59
Re Installation of the Gear Case ................................................................................................................ 61
Engine Body Cylinder Block ............................................................................................................................. 63
Disassembly of the Cylinder Block ............................................................................................................. 64
Inspection of Cylinder Block, Crankshaft, Camshaft, and Tappets ............................................................ 66
Inspection of the Flywheel .......................................................................................................................... 70
Inspection of Tappets ................................................................................................................................. 76
Disassembly and Inspection of Pistons and Connecting-Rods .................................................................. 77
Inspection of the Piston Pin ........................................................................................................................ 80
Connecting-rod Twist ................................................................................................................................. 82
Assembly of Piston and Connecting-Rod ................................................................................................... 83
Replacement of Gear Case Oil Seal .......................................................................................................... 84
Re-Assembly of Cylinder Block .................................................................................................................. 84
Installation of Piston/Connecting-Rod Assemblies ..................................................................................... 87
Installation of Rear Oil Seal ........................................................................................................................ 88
Installation of Strainer and Oil Pan ............................................................................................................. 89
Installation of Rear Plate and Flywheel ...................................................................................................... 90
Installation of the Flywheel ......................................................................................................................... 90
Installation of Front Plate and Gears .......................................................................................................... 91
Lubrication System ........................................................................................................................................... 94
General Description .................................................................................................................................... 94
Relief Valve ................................................................................................................................................ 95
Oil Filter Specifications ............................................................................................................................... 95
Oil Filter Construction and Operation ......................................................................................................... 95
Specifications with Oil Cooler ..................................................................................................................... 96
Removal, Disassembly, Inspection and Re-Installation of Oil Pump .......................................................... 97
Inspection ................................................................................................................................................... 97
Installation of Oil Pump .............................................................................................................................. 98
Oil Filter ...................................................................................................................................................... 99
Cooling System ............................................................................................................................................... 100
Thermostat ............................................................................................................................................... 101