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Purpose of Seminar:
Being able to operate, maintain and troubleshoot your own hydraulic equipment and
systems starts with simply understanding how and why all the various components
work. That is what this course is all about. We will provide you the basic building
blocks and information you need to become proficient in working with hydraulics.
This course is perfect for multi-craft technicians or even skilled fluid power
technicians who just need a solid refresher.
What You Will Learn
- What the Primary Hydraulic Components are, and How they Work
- How to Identify Components by their ANSI and ISO Symbols
- Different Uses for Check, Flow, Pressure & Directional Control Valves
- How to Properly Size Hydraulic Cylinders, Motors & Rotary Actuators
- How to Test for and Stop Leaks and Cavitation Problems
- When and How to Use an Accumulator
- How to Properly Plumb a Hydraulic System
- All about Fluid Filtration and Contamination Control
- and More…
Who should take this course?
This course is designed for anyone who needs to understand hydraulic components and
systems for work in industrial and mobile equipment applications.
Learning Objectives
- Identify hydraulic components by their schematic symbols
- Understand the applications of both primary and auxiliary components
- Read and interpret a variety of schematic drawings
- Select the correct valves, motors and actuators to obtain desired results
- Apply common sizing calculations
- Design simple hydraulic circuits using schematics
- Diagnose and avoid common system & component problems
- Understand the differences and commonness of mobile and industrial hydraulics
- Determine applications for, install and charge an accumulator
- Select, size, seal and route hydraulic pipes and hoses
- Control heat, filtration and contamination in hydraulic systems
- Work with hydraulic fluids and components in a safe and environmentally friendly manner
Course Outline / Agenda
Pumps
- - Review of principles
- - Positive-displacement pumps
- - Non positive-displacement pumps
- - Fixed and variable displacement pumps
- - Pressure compensated pumps
- - Cavitations and entrained air
- - Pump wear
Flow Control Valves
- - Actuator speed
- - Placement of flow control in hydraulic systems
- - Pressure compensation
- - Temperature compensation
- - Application of flow dividers
Directional Control Valves
- - Summary of symbols
- - Valve operators
- - Center positions
- - Solenoid valves
- - Mobile valve stacks
- - Porting and ISO standards
Check valves
- - Design and application
- - Pilot operated check valves
- - Shuttle valve application
Hydraulic cylinders
- - Single and Double Acting Cylinders
- - Seal material compatibility
- - Seal installation
- - Cylinder construction
- - Cylinder mounting methods
- - Sizing of a cylinder
- - Regenerative circuits
- - Test for piston seal leakage
- - Cylinder in a closed center system
- - Cylinder drift with closed and open center spool
- - Pressure intensification
Hydraulic Motors
- - Speed and Torque
- - Sizing of a hydraulic motor
- - Hydraulic motors in circuits
- - Hydrostatic transmission
Hydraulic Rotary actuators
- - Design Features
- - Sizing of rotary actuators
- - Applications of rotary actuators
Pressure Control Valves
- - Pressure control and regulating
- - Pressure relief valves
- - Pressure sequence valves
- - Counter balance valves
- - Over center valves
- - Unloading valves
- - Pressure reducing valves
- - Pressure control valves in circuits
Pilot Operated Pressure control valves
- - Pilot operated pressure relief valve
- - Advantages and Application
Accumulators
- - Design Features
- - Applications
- - Charging the accumulator
- - Installation considerations
- - Sizing accumulators
- - Checking gas pre-charge pressure
Fluid Conductors
- - Sizing of pipes and hoses
- - Pipe sealing
- - Hoses, fittings and installation
- - Rated operating pressure
- - Hose assembly and routing tips
- - Preventing hydraulic leaks
- - Friction and restriction in fluid lines
Reservoirs, Heat exchangers and Filters
- - Design features of oil reservoirs
- - Pressurized oil tanks
- - Heat exchangers
- - Contamination control
- - Filtration methods
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