Session Listing
A complete list of all the subjects we cover.
20 Electrical Sessions
Basic Electrical Concepts
Updated May, 2021 • 4 MaterialsWhen studying electrical circuits, you need to start with the fundamentals: Voltage, Current, and Resistance.
CAN Bus
Updated December, 2018 • 5 MaterialsReady to learn about the CAN Bus Protocol.
Connectors
Updated January, 2017 • 4 MaterialsWelcome to the session on electrical connectors.
Diodes
Updated July, 2019 • 5 MaterialsLearn to use your multimeter to test a diode.
Electrical Hazards & Safety
Updated March, 2018 • 3 MaterialsEven low voltage systems can seriously injure or even kill.
Electrical Measurements
Updated January, 2017 • 4 MaterialsDigital Multimeters (DMM) are one of the most powerful tools available to electricians.
Flow Sensors
Updated July, 2018 • 3 MaterialsBoth the electromagnetic flow meter and the mass flow meter measure flow without adding a turbine or a restriction to the mix.
Fuses & Circuit Breakers
Updated January, 2017 • 2 MaterialsThis mini-session gives you a quick overview of these critical circuit protection devices.
Interpreting Electrical Schematics
Updated January, 2017 • 4 MaterialsSchematics don't need to be confusing.
Open & Short Circuit Faults
Updated April, 2019 • 7 MaterialsIn this session, you'll apply electrical principles to troubleshooting.
Position Sensors
Updated May, 2021 • 14 MaterialsMagnetic, Hall Effect, Inductive, Capacitive, Photoelectric, Magnetostrictive and Ultrasonic proximity, speed and position sensors are covered in this session.
Pressure Sensors
Updated July, 2018 • 10 MaterialsPressure sensing can be done with one of several kinds of technologies.
Relays
Updated September, 2018 • 7 MaterialsRelays are demystified in this interactive lesson.
Semiconductors
Updated January, 2017 • 3 MaterialsTransistors are the focus of this session, plus you'll learn how to prevent damage to these sensitive components.
Sensor Basics
Updated October, 2019 • 15 MaterialsSensors are everywhere in our electrical world.
Series & Parallel Circuit Basics
Updated August, 2019 • 9 MaterialsSeries and parallel circuits are at the heart of every electrical system.
Starting & Charging Systems
Updated January, 2017 • 3 MaterialsDig into mobile electrical circuits with this session on starting and charging systems.
Switches
Updated March, 2021 • 14 MaterialsSwitches are one of most common control elements used in electrical circuit design.
Variable Resistors
Updated January, 2017 • 5 MaterialsPotentiometers vs.
Waveforms & Signal Generation
Updated February, 2021 • 9 MaterialsDirect 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.
24 Hydraulics Sessions
Cartridge Valves
Updated July, 2020 • 5 MaterialsIn this session you'll find an in-depth introduction to slip-in cartridge valves.
Counterbalance Valves
Updated September, 2019 • 7 MaterialsCounterbalance valves allow raised loads to be lowered safely, with a minimum of wasted energy.
Cross-Port Relief Valves
Updated February, 2020 • 5 MaterialsCross-port relief valves expand on the standard relief valve to control otherwise destructive pressures created by external forces acting against an actuator.
Electro-Hydraulic Valves
Updated June, 2020 • 8 MaterialsEnter the world of electro-hydraulic valves in this session.
Fixed & Variable Displacement Pumps
Updated February, 2021 • 35 MaterialsIf you have questions about hydraulic pumps, this is the session for you.
Flow & Directional Control Valves
Updated January, 2021 • 36 MaterialsThis session is absolutely packed with fun lessons and interactive animations.
Fluid Power Basics
Updated May, 2021 • 8 MaterialsIf you're looking for the starting point in your study of hydraulics, this is it.
Hydraulic Accessories
Updated May, 2021 • 12 MaterialsThis session covers a handful of hydraulic accessories.
Hydraulic Actuators
Updated June, 2021 • 16 MaterialsLinear and rotary actuators are the muscles of a hydraulic system.
Hydraulic Hazards & Safety
Updated January, 2017 • 3 MaterialsSafe working habits around hydraulic systems save lives.
Hydraulic Schematic Symbols
Updated October, 2020 • 10 MaterialsSchematic symbol reading is a vital troubleshooting skill.
Hydraulic Steering
Updated September, 2019 • 6 MaterialsThis session will go into detail on hydraulic power steering and how it works.
Hydrostatic (Closed Loop) Systems
Updated June, 2021 • 19 MaterialsGet right into the design of closed loop systems with colourful graphics and detailed drawings.
Load Sensing Pumps
Updated March, 2021 • 18 MaterialsThis animated and interactive session takes the mystery out of load sense.
Open & Closed Center Systems
Updated July, 2020 • 13 MaterialsThis session tackles the differences and similarities between open and closed center systems.
Parallel & Series Systems
Updated March, 2020 • 24 MaterialsParallel and Series circuits behave very differently.
Pilot Controllers
Updated April, 2020 • 3 MaterialsWhether you're using a joystick to raise or swing a boom, or floor pedals for forward or reverse track motion, you're interacting with a pilot controller.
Positive & Non-Positive Pumping
Updated August, 2020 • 20 MaterialsPositive and Non-Positive Pumping tackles the differences between the two types of systems, and the design and maintenance needs of each.
Pressure & Flow
Updated February, 2020 • 28 MaterialsThis session gets you started with a solid foundation on pressure and flow basics.
Pressure Reducing Valves
Updated June, 2020 • 7 MaterialsPressure reducing valves function very differently than relief valves, even though their schematic symbols look very similar.
Pressure Relief Valves
Updated March, 2021 • 31 MaterialsJump into relief valves with this colorful session.
Sequence Valves
Updated December, 2020 • 5 MaterialsSequence valves are used on many machines to coordinate hydraulic functions.
Troubleshooting Processes
Updated January, 2017 • 7 MaterialsTroubleshooting a hydraulic system can be a demanding and tricky task.
Unloading Valves
Updated January, 2020 • 7 MaterialsUnloading valves are often confused with relief valves, but they play a unique role in hydraulic systems.
22 Machinery Sessions
Aerial Work Platforms
Updated April, 2020 • 1 MaterialThe world of the aerial work platform (AWP) or the mobile elevated work platform (MEWP) includes a group of machines that are very popular in construction and building maintenance.
Blast Hole Drills
Updated March, 2018 • 3 MaterialsThis session gets you right into the hydraulic circuit sections in a common blast hole drill.
Cat Excavators
Updated March, 2020 • 3 MaterialsFamiliarize yourself with the inner workings of excavator hydraulic systems that are specific to Caterpillar.
Cat Haul Trucks
Updated January, 2021 • 3 MaterialsExplore Caterpillar haul trucks with a couple animated circuits in this session.
Cement Plants
Updated April, 2021 • 1 MaterialIn this session you can learn about the inner workings for the hydraulics of a guillotine gate in a cement plant..
Coal Stacker-Reclaimer
Updated July, 2020 • 2 MaterialsCoal stacker-reclaimers are used to either receive coal or to stockpile it.
Coiled Tubing Units
Updated January, 2021 • 20 MaterialsThis session is specific to coiled tubing units and problems related to injector chain tension and traction.
Concrete Pump
Updated November, 2019 • 4 MaterialsThis session is all about truck-mounted concrete pumps.
Deere-Hitachi Excavators & Shovels
Updated April, 2020 • 22 MaterialsIn the world of excavators & shovels, there are a lot of specialized hydraulic components used to solve problems specific to such large mobile machinery.
Dozers
Updated March, 2021 • 1 MaterialExplore a dozer in this session with one of our Live Schematic simulations, featuring a side-by-side view of the schematic and a cutaway graphic.
Graders
Updated December, 2020 • 13 MaterialsEnjoy this collection of videos and simulations about Graders, such as the Caterpillar H Series and the M Series.
Hydraulic Governor
Updated April, 2018 • 2 MaterialsThe governor is a critical component in hydroelectric dams.
Komatsu Haul Trucks
Updated July, 2020 • 8 MaterialsCheck this session out for a bundle of 830E and 930E Live Schematics, plus a 3D video.
Liebherr Haul Trucks
Updated January, 2021 • 2 MaterialsInteract with and learn about Liebherr haul trucks with a few live schematics in this session.
Loaders
Updated February, 2020 • 9 MaterialsGet to know your way around the hydraulics on a loader with the advanced simulations in this sessions.
Lube Systems
Updated September, 2019 • 2 MaterialsKeeping bearings and gears lubricated in a production environment often involves a pumped lubricant.
Mobile Equipment Air Compressors
Updated December, 2019 • 4 MaterialsThis session is an introduction to some mobile pneumatic system basics.
Oilfield Cementing
Updated May, 2018 • 1 MaterialOilfield cementing has driven industrial process technology to produce many specialized components, which you'll learn about in this session.
Oilfield Pumping
Updated June, 2018 • 6 MaterialsReciprocating plunger pumps are very common in oilfield pumping.
Paper Machine Reels & Winders
Updated October, 2020 • 4 MaterialsPaper machines depend on hydraulic systems for precise forces, fast motions, and careful load handling.
Pulp Mill Machinery
Updated April, 2021 • 10 MaterialsA pulp mill has the equivalent horsepower of a dozen freight trains of machinery running inside.
Sawmill
Updated August, 2020 • 4 MaterialsSawmills are full of specialized hydraulic and electrical equipment.
