Session Listing

Here is a complete list of all the subjects we cover.

16 Electrical Sessions

Basic Electrical Concepts

Updated January, 2017 • 6 Materials

When studying electrical circuits, you need to start with the fundamentals: Voltage, Current, and Resistance.

Learn about: Resistance, Voltage, Watts, Ohm's Law, Amps, Power, Work, and a whole lot more.

Connectors

Updated January, 2017 • 4 Materials

Welcome to the session on electrical connectors.

Learn about: Plug, Solder Sucker, Hirschmann, Data, Male, Optical Fiber, Female, and a whole lot more.

Diodes

Updated January, 2017 • 4 Materials

Learn to use your multimeter to test a diode.

Learn about: P-type, Electrical, Rectifier, Light Emitting Diodes, NPN, LED, Multimeter, and a whole lot more.

Electrical Hazards & Safety

Updated March, 2018 • 3 Materials

Even low voltage systems can seriously injure or even kill.

Learn about: Electrocution, Flame Resistant, Zero Energy, , Electrically Insulated Footwear, Hazards, Electrical PPE, and a whole lot more.

Electrical Measurements

Updated January, 2017 • 8 Materials

Digital Multimeters (DMM) are one of the most powerful tools available to electricians.

Learn about: DMM, Electrician, Resistance Test, Open Circuit, Measurement, Fluke Meter, Electrical, and a whole lot more.

Fuses & Circuit Breakers

Updated January, 2017 • 2 Materials

This mini-session gives you a quick overview of these critical circuit protection devices.

Learn about: Fast acting fuse, Testing Fuses, Blown Fuse, Digital Multimeter, Short Circuit, Circuit breaker, Slow blow fuse, and a whole lot more.

Interpreting Electrical Schematics

Updated January, 2017 • 4 Materials

Schematics don't need to be confusing.

Learn about: Schematic, Tag, Troubleshooting, Electrician, Layout, Off-Page, Connection, and a whole lot more.

Open & Short Circuit Faults

Updated January, 2017 • 6 Materials

In this session, you'll apply electrical principles to troubleshooting.

Learn about: Skill, Electrical Fault, Hydraulic Loader Fault, System Diagnosis, Short Circuit Fault, Troubleshooting, Short Circuit, and a whole lot more.

Relays

Updated February, 2017 • 6 Materials

Relays are demystified in this interactive lesson.

Learn about: Troubleshooting, Schematic Symbol, Throw, Pole, Single Pole Double Throw, Diagnostic, Electrical Circuit, and a whole lot more.

Semiconductors

Updated January, 2017 • 3 Materials

Transistors are the focus of this session, plus you'll learn how to prevent damage to these sensitive components.

Learn about: Electronics, Maintenance, BJT, ESD, Electrical, MOV, Transistor, and a whole lot more.

Sensors

Updated June, 2018 • 22 Materials

Sensors are everywhere in our electrical world.

Learn about: PNP, Span, Upper Range Value, Live Zero, Diaphragm, psi, Pressure, and a whole lot more.

Series & Parallel Circuit Basics

Updated May, 2018 • 8 Materials

Series and parallel circuits are at the heart of every electrical system.

Learn about: Kirchoff's Voltage Law, Branch, Electrical Circuit, Electrician, Series, System Design, Industrial Maintenance, and a whole lot more.

Starting & Charging Systems

Updated January, 2017 • 3 Materials

Dig into mobile electrical circuits with this session on starting and charging systems.

Learn about: Equalizer, Battery, Electrical, Troubleshooting, 24V, Starter, Alternator, and a whole lot more.

Switches

Updated January, 2017 • 12 Materials

Switches are one of most common control elements used in electrical circuit design.

Learn about: N.O., Normally Closed, Rating, 3 Way Switching, Push Button, Selector, Control, and a whole lot more.

Variable Resistors

Updated January, 2017 • 5 Materials

Potentiometers vs.

Learn about: Resistance, 2 lead, AC temperature control, Potentiometer, Rheostat, wiper, Variable Resistor, and a whole lot more.

Waveforms & Signal Generation

Updated January, 2017 • 7 Materials

Direct current is common in low voltage systems, but as soon as you start working with high voltage, you'll need to know about alternating current.

Learn about: Voltage, Resistance, Amps, Cycles Per Second, Control Voltage, Duty Cycle, PWM, and a whole lot more.

22 Hydraulics Sessions

Counterbalance Valves

Updated January, 2017 • 5 Materials

Counterbalance valves allow raised loads to be lowered safely, with a minimum of wasted energy.

Learn about: Runaway Load, Counterbalance Valve, Safety, Adjusting a Counterbalance Valve, Motion Control, Load Holding, Raised Load, and a whole lot more.

Cross-Port Relief Valves

Updated January, 2017 • 5 Materials

Cross-port relief valves expand on the standard relief valve to control otherwise destructive pressures created by external forces acting against an actuator.

Learn about: Flywheel Mass, Cross-Port Relief Valves, Regenerative, Overpressure, Braking Valves, and a whole lot more.

Electro-Hydraulic Valves

Updated June, 2018 • 2 Materials

Enter the world of electro-hydraulic valves in this session.

Learn about: electro-hydraulic valves, servo valves, proportional valves, and a whole lot more.

Fixed & Variable Displacement Pumps

Updated June, 2018 • 26 Materials

If you have questions about hydraulic pumps, this is the session for you.

Learn about: Slippage, Rotating Group, Piston Pump, External Gear Pump, Rotor, On-Stroke, GPM, and a whole lot more.

Flow & Directional Control Valves

Updated May, 2018 • 18 Materials

This session is absolutely packed with fun lessons and interactive animations.

Learn about: Float, Position, Three Section Valves, Infinite Position, 2-Stage Valves, Solenoid, Tandem, and a whole lot more.

Fluid Power Basics

Updated January, 2017 • 7 Materials

If you're looking for the starting point in your study of hydraulics, this is it.

Learn about: Gallons Per Minute, Bernoulli's Principle, Rotational Force, Flow Rate, Static Pressure, Static Pressure, Turbulent Flow, and a whole lot more.

Hydraulic Accessories

Updated January, 2017 • 9 Materials

This session covers a handful of hydraulic accessories.

Learn about: Filters, Diameter, NPT, Compressed Gas, ISO 4406, Piston, BSPP, and a whole lot more.

Hydraulic Actuators

Updated January, 2017 • 9 Materials

Linear and rotary actuators are the muscles of a hydraulic system.

Learn about: , Gland, Piston, Motor, Linear Actuator, Blind End, Rod, and a whole lot more.

Hydraulic Hazards & Safety

Updated January, 2017 • 3 Materials

Safe working habits around hydraulic systems save lives.

Learn about: System Adjustment Hazards, Unexpected Motion, Hose and Fitting Failure, Pinch Points, Flammability, Zero Energy State, Heat, and a whole lot more.

Hydraulic Schematic Symbols

Updated January, 2017 • 7 Materials

Schematic symbol reading is a vital troubleshooting skill.

Learn about: logic valve, check valve, electrical line, hydraulic pilot, detent, mechanical linkage, cylinder, and a whole lot more.

Hydraulic Steering

Updated January, 2018 • 6 Materials

This session will go into detail on hydraulic power steering and how it works.

Learn about: Hand Metering Unit, power steering, steering valve, HMU, orbitrol, hydraulic steering, and a whole lot more.

Hydrostatic (Closed Loop) Systems

Updated January, 2017 • 13 Materials

Get right into the design of closed loop systems with colourful graphics and detailed drawings.

Learn about: Reversing Flow, Closed Loop, Charge Pump, Hot Loop, Servo, Cavitation, Hot Oil Shuttle Valve, and a whole lot more.

Load Sensing Pumps

Updated January, 2017 • 11 Materials

This animated and interactive session takes the mystery out of load sense.

Learn about: Load Sensing Compensator, Pressure Differential, Flow Control, Orifice, Equilibrium, Margin Pressure, Hunting, and a whole lot more.

Open & Closed Center Systems

Updated January, 2017 • 13 Materials

This session tackles the differences and similarities between open and closed center systems.

Learn about: Mobile, Sectional Valve Bank, Closed Loop, Closed Center, Open Loop, Open Center, and a whole lot more.

Parallel & Series Systems

Updated January, 2017 • 21 Materials

Parallel and Series circuits behave very differently.

Learn about: Restriction, Parallel Circuits, Pressure Drops, Series Circuits, System Pressure, Branch, Path of Least Resistance, and a whole lot more.

Positive & Non-Positive Pumping

Updated January, 2017 • 21 Materials

Positive and Non-Positive Pumping tackles the differences between the two types of systems, and the design and maintenance needs of each.

Learn about: Starved Inlet, Mechanical Erosion, Air, Positive Pressure, Non Positive Displacement, Cavitation, Positive Displacement, and a whole lot more.

Pressure & Flow

Updated January, 2017 • 20 Materials

This session gets you started with a solid foundation on pressure and flow basics.

Learn about: Gauge, Slippage, Positive Displacement Pump, Hydraulic Flow, Hydraulic Pressure, Flow Rate, Resistance, and a whole lot more.

Pressure Reducing Valves

Updated January, 2017 • 5 Materials

Pressure reducing valves function very differently than relief valves, even though their schematic symbols look very similar.

Learn about: Pilot Operated, Direct Acting, Pressure, Pressure Reducing Valve, Downstream Pressure, Normally Closed, and a whole lot more.

Pressure Relief Valves

Updated January, 2017 • 21 Materials

Jump into relief valves with this colorful session.

Learn about: poppet, balanced relief valve, sequence valves, counterbalance valves, direct acting relief, pilot, pressure control valve, and a whole lot more.

Sequence Valves

Updated January, 2017 • 5 Materials

Sequence valves are used on many machines to choreograph hydraulic functions.

Learn about: Training, Hydraulic, Valve, Pressure, Set Pressure, Order, Sequence, and a whole lot more.

Troubleshooting Processes

Updated January, 2017 • 7 Materials

Troubleshooting a hydraulic system can be a demanding and tricky task.

Learn about: Hit or Miss, Ten Step Troubleshooting Process, Downtime, easy-to-check order, TSTP, Failure, Guess and Check, and a whole lot more.

Unloading Valves

Updated January, 2017 • 6 Materials

Unloading valves are often confused with relief valves, but they play a unique role in hydraulic systems.

Learn about: Fast Approach Slow Feed Circuit, Efficient, Energy Saving, Volume Pump, Restriction, Balanced Relief Valve, Unloading Valve, and a whole lot more.

7 Machinery Sessions

Coiled Tubing Units

Updated April, 2018 • 3 Materials

This session is specific to coiled tubing units and problems related to injector chain tension and traction.

Learn about: chain tension, injector traction, hydraulic faults , Coil tubing injector, coiled tubing, and a whole lot more.

Excavators & Shovels

Updated April, 2018 • 11 Materials

In the world of excavators & shovels, there are a lot of specialized hydraulic components used to solve problems specific to such large mobile machinery.

Learn about: pump controller, EHC Valve, Electro-hydraulic control valve, pump regulator, solenoid valves, heavy machinery, and a whole lot more.

Hydraulic Governor

Updated April, 2018 • 2 Materials

The governor is a critical component in hydroelectric dams.

Learn about: power, regulate, electricity, hydroelectric, generation, engine, dam, and a whole lot more.

Oilfield Cementing

Updated May, 2018 • 1 Material

Oilfield cementing has driven industrial process technology to produce many specialized components, which you'll learn about in this session.

Learn about: Cementing, Diffuser, Clumping, Air Entrainment, Cement Metering Valve, Dry Blending, Dust, and a whole lot more.

Pulp Bale Presses

Updated April, 2018 • 4 Materials

Compacting sheet pulp or loose pulp to a bale size that is optimal for shipping requires a massive hydraulic press.

Learn about: Pulp bale press, pulp and paper, and a whole lot more.

Rail Car Dumper

Updated May, 2018 • 1 Material

Learn through play about a pulp-chip rail car dumper.

Learn about: Rail, logic, low pressure standby, Car, slip-in cartridge, Pulp and Paper, Dumper, and a whole lot more.

Sawmill Conveyors

Updated April, 2018 • 1 Material

Sawmills are full of specialized hydraulic and electrical equipment.

Learn about: Conveyor, Quadrant Feeder, Hydraulic, Log, Belt, Sawmill, and a whole lot more.

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