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NAVISTAR DT446-DT570-HT570 SERVICE MANUAL contains high quality images, diagrams, instructions to help you to operate, maintenance, diagnostic, and repair your machine. This document is printable, without restrictions, contains searchable text and bookmarks for easy navigation.
Foreword…………………………………………………………………………………………………….1
Service Diagnosis…………………………………………………………………………………………..2
Safety Information…………………………………………………………………………………………..3
Engine Systems……………………………………………………………………………………………..5
Mounting Engine on Stand………………………………………………………………………………..59
EVRT® Electronically Controlled Turbocharger………………………………………………………….67
Intake, Inlet, and Exhaust Manifolds………………………………………………………………………75
EGR Cooler and Tubing……………………………………………………………………………………87
Cylinder Head and Valve Train…………………………………………………………………………….99
Front Cover and Related Components…………………………………………………………………..141
Oil Pan and Oil Suction Tube…………………………………………………………………………….181
Power Cylinders…………………………………………………………………………………………..191
Crankcase, Crankshaft, and Camshaft…………………………………………………………………..221
Oil System Module Assembly and Secondary Filtration………………………………………………..253
Engine Electrical………………………………………………………………………………………….273
Fuel System……………………………………………………………………………………………….309
Flywheel and Flywheel Housing………………………………………………………………………….335
Diamond Logic™ Engine Brake………………………………………………………………………….359
Air Compressor and Power Steering Pump……………………………………………………………..375
Abbreviations and Acronyms…………………………………………………………………………….383
Terminology……………………………………………………………………………………………….387
Appendix A — Specifications…………………………………………………………………………….395
Appendix B — Torques…………………………………………………………………………………..407
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