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CD Industrial Group Inc.
Dozers & Excavators
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In this customized course, heavy duty mechanics, heavy equipment technicians, shop leaders, planners and reliability specialists learn the typical circuits and operating parameters for dozers and excavators. Various sub-circuits from a Caterpillar 385/390C and from the Hitachi Zaxis model line are covered with on-screen simulations. Plenty of schematic reading practice is offered through worksheets and Live Schematics.
In this customized course, heavy duty mechanics, heavy equipment technicians, shop leaders, planners and reliability specialists learn the typical circuits and operating parameters for dozers and excavators. Various sub-circuits from a Caterpillar 385/390C and from the Hitachi Zaxis model line are covered with on-screen simulations. Plenty of schematic reading practice is offered through worksheets and Live Schematics.
This four-day course is taught with circuit simulation software, machinery schematics and on-screen simulations, and through instructor guided, hands-on study of live hydraulic components.
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 dozer and excavator 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.
Learn to:
- Interpret complex dozer and excavator schematics
- Test for correct horsepower limiting pump control function
- Verify normal and faulted propel systems
- Describe valve pilot and load sense functions
- Measure flows in regenerative implement functions