Hydraulics Control Circuit Maintenance and Troubleshooting

This workshop teaches learners how to troubleshoot hydraulic systems and their components, such as hydraulic motors, directional control valves, and cylinders. The system combines comprehensive curriculum with real-world equipment to create a valuable learning experience for maintenance technicians across a wide variety of industries. It also provides a strong foundation for those seeking important industry-standard certifications. This troubleshooting training system features over 35 faults for learners to practice troubleshooting hydraulic pumps, actuators, valves, and systems, as well as directional control valves.

Content

Hydraulic Principles

• Pressure and force
• Advantages and disadvantages
• Physical properties of liquids
• Measurement and scales
• Pascal’s Law
• Horsepower and torque

Hydraulic Pumps

• Positive-displacement of pumps
• Increasing/decreasing volume
• Gear/van piston/screw pumps
• Troubleshooting cavitation, entrained air, effects of varnish and sludge

Flow, Pressure and Directional Control Valves

• Flow controls, actuator speed, and orifices
• Hydraulic circuit/placement
• Relief/sequence/counterbalance valves
• Pressure-reducing valves
• 3-position directional valve symbols
• Solenoids-controlled, pilot-operated valves
• Measuring surge pressure

Hydraulic Cylinders

• Single and double acting cylinders
• Seals
• Cylinder types and construction
• Flow required by cylinders
• Regenerative circuit
• Troubleshooting cylinders

Hydraulic Motors

• Speed and torque
• Types and sizing of hydraulic motors
• Hydraulic motors in circuits
• Hydrostatic transmission
• Applications of rotary actuators

Troubleshooting Guide

• Test set up and procedures
• Fixed displacement motor
• Variable displacement pump

Cylinder and Circuit Problems

• Erratic or jerk motion
• Blown rod seals, cylinders, or plumbing
• Cylinder drift

For Whom: Environmental health and safety personnel, Apprentice and experienced HVAC technicians, Owners and managers, Maintenance Technicians, HVAC maintenance and Repair Technicians, Energy management personnel, Plant and facility maintenance technicians, Building engineers, Building managers and superintendents, Plant and facility managers, Stationary engineers, Safety directors, Multi-craft personnel and Anyone who needs cross-training on Fluid Power and Hydraulic Systems