CD Industrial Group Inc.
Loaders and Graders
Event Details
LEVEL II
4 DAY
INSTRUCTOR-LED COURSE
Learn to:
Interpret complex loader and grader schematics
Test for correct pump standby and margin pressures
Verify normal and faulted steering systems
Describe brake component and system functions
Measure PWM proportional valve solenoid current
In this customized course, heavy duty mechanics, heavy equipment technicians, shop leaders, planners and reliability specialists learn the typical system designs for loaders and graders. Various circuits from Caterpillar, Komatsu, John Deere and Volvo machines are covered with on-screen simulations and Live Schematics.
Drawing on materials from our courses How to Maintain and Troubleshoot Hydraulic Systems and Advanced Mobile with Load Sense Hydraulic Troubleshooting, participants learn to maintain and troubleshoot loader and grader systems for maximum availability and reliability. A method of analysis for determining faults is taught, as is our Ten Step Troubleshooting Process. Schematic reading and safe work practices are core topics throughout.
Orbitrol Steering and Articulation
Objective: Explain the functions of a conventional hand metering unit (HMU)
Activities: Map out flow paths through steering circuits to aid troubleshooting
Electro-Hydraulic Joystick Steering
Objective: Identify the components of a typical joystick steering circuit
Activities: Test electronic proportional steering valves and position transducers
Loader Boom Lift and Ride Control
Objective: Identify the components of the boom lift and bucket tilt circuit
Activity: Identify valve centre features as well as load check valves and shock valves
Loader and Grader Hydraulic Brakes
Objective: Describe the components and functions of hydraulic brake systems
Activities: Interpret brake accumulator charging circuits and slack adjusters
Multi-Section Valves
Objective: Identify the unique proportional valve components in use for load sense hydraulics
Activities: Identify pressure compensators in valve, and pilot operated checks
Pump Standby and Margin Pressures
Objective: Interpret load sense (flow compensating) pump functions
Activities: Perform pump standby and margin pressure tests
Pilot Valves and Joysticks
Objective: Explain the basic principles of pilot valves (controllers)
Activities: Identify test points for critical pressure tests
Auxiliary Implements
Objective: Interpret the circuits for grader rippers and loader bucket accessories
Activities: Confirm the sequence of valve operations
Critical Pressure Controls
Objective: Identify critical system pressure controls and their settings
Activities: Adjust the functions of the Caterpillar H series combination valve
Want to book this course? Get in touch:
1·866·628·3224 info@cdiginc.com
CD Industrial Group Inc.
CD Industrial Group Inc. is an industrial training company. Our e-learning site is www.lunchboxsessions.com. Our interactive hydraulics training is based on over fifteen years of direct classroom testing. It gets the learner inside the system. Customized, instructor-led training and on-site maintenance team coaching is also available in a variety of mechanical and electrical topics.
When
September 13, 2020 - September 13, 2025
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