A Series Diesel Engine Introduction
5
Introduction
About the Manual
The procedures in this manual were developed for an in-chassis environment. The information has been grouped
by the main engine systems. The Table of Contents defines the systems. The index at the beginning of each
section subdivides the instructions for the various components of the system. Wrench sizes and special tools are
identified in the procedures as needed.
How to Use the Manual
The organization of this manual is based on the troubleshooting logic presented in Section 2. To fix a problem, find
the logic chart for the particular symptom. Follow the steps specified until the problem is corrected.
The left column of the charts indicates a probable cause. The right column provides a brief description of the
corrective action with a reference to the repair procedure or diagnostic discussion when appropriate.
The logic charts reflect three basic considerations:
1. Assumes the engine has provided satisfactory service prior to the problem.
2. Performing the easiest things first.
3. Most logical cause in descending order.
If the problem occurs with a new engine or after repair of the engine, the diagnostics discussion for each major
system will provide guidance for sorting out the cause of the problem.
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