CATERPILLAR 14M MOTOR GRADER
SERVICE TRAINING COURSE
This presentation provides information on the system operation of the electrical system,
operator’s station, engine, power train, implement, steering, fan, and brake systems. This
presentation may be used for self-paced and self-directed training.
INTRODUCTION
The 14M Motor Grader has been designed as a direct replacement of the 14H Motor
Grader.
Key new features include:
- Improved operator's station
- C11 ACERT™ Engine
- ECPC controlled power shift countershaft transmission
- Joystick steering
- Electro-hydraulic steering
- Electro-hydraulic implements
- Hydraulic braking system
COURSE CONTENTS
1-Machine view
2-OPERATOR'S STATION
3-MESSENGER
3-1-Messenger Main Menu
3-2-Performance Menu Options
3-3-Totals Menu Options
3-4-Settings Menu Options
3-5-Service Menu Options
4-ECM ARCHITECTURE
5-C11/C13 ACERT™ ENGINE
5-1-Engine Electrical Block Diagram
5-2-Engine Speed/Timing Calibration Port
5-3-Fuel System
5-4-Engine Idle Management
6-POWER TRAIN
6-1-Transmission/Chassis Electrical System
6-2-Power Train Hydraulic System
6-3-Transmission Modulation Valve - No Commanded Signal
6-4-Transmission Modulation Valve - Commanded Signal Below Maximum
6-5-Transmission Modulation Valve - Commanded Signal At Maximum
7-IMPLEMENT AND STEERING SYSTEM
7-1-Implement Electrical System
7-2-Left Joystick Electronic Operation
7-3-Right Joystick Electronic Operation
7-4-Steering Hydraulic System Operation
7-5-Implement Hydraulic System Operation
7-6-Variable Float Control (16M)
8-BRAKE AND FAN SYSTEM
8-1-Service Brake System
8-2-Service Brake Valve Not Activated
8-3-Service Brake Valve Activated
8-4-Brake and Fan System Hydraulic Operation
8-5-Parking Brake System
8-6-Fan System
OBJECTIVES
After learning the information in this service training course , the technician will be able to:
1. Locate and identify the major components in the operator’s station, engine, power train, implement, steering, fan, and brake systems
2. Explain the operation of the major components in the systems
3. Trace the flow of oil through the systems
REFERENCES
14M Service Manual