Troubleshooting

O B J E C T I V E S

Problem Analysis

• Identify prerequisite knowledge and skills that mechanics should have in order to troubleshoot hydraulic systems effectively.
• Identify the basic steps of the troubleshooting process.
• Describe the process of identifying a problem and taking preventive action in immediate response to a hydraulic system operating problem.
• Describe how to evaluate common general symptoms of problems in a hydraulic system.
• Describe common methods for applying the process of elimination to troubleshoot problems in hydraulic systems.
• Describe major concerns associated with correcting problems and safely returning a hydraulic system to service.

Component Problems

• Describe common problems that may be associated with the hydraulic fluid, hoses, and accumulators in a hydraulic system.
• Describe common problems that may be associated with the valves in a hydraulic system.
• Describe common problems that may be associated with the cylinders in a hydraulic system.
• Describe common problems that may be associated with the pumps and hydraulic motors in a hydraulic system.

S U B J E C T S

Problem Analysis

• Basics
• Immediate Response
• Problem Correction

• Fluid, Hose, and Accumulator Problems
• Valve Problems
• Cylinder Problems
• Pump and Hydraulic Motor Problems