Cat D series backhoe loader service training.
This training guide covers the following D series models: 416,420,424,428,432,438,442

CONTENT
This presentation discusses the design features, major components, and systems operation for the "D"
Series Backhoe Loaders. Also included are descriptions of the operator's station and service points.

OBJECTIVES
After learning the information in this presentation, the serviceman will be able to:
1. locate and identify the major components in the operator's station, power train, and machine
hydraulic systems including the optional All Wheel Steer system;
2. explain the function of the major components in the power train, machine hydraulic systems and
the optional All Wheel Steer system;
3. identify service points for the engine, power train, and machine hydraulic systems;
4. trace oil flow through the transmission and machine hydraulic systems; and
5. explain the operation of the starting and charging system.