DHET 145 Running Gears, Brakes, and Power Transfer Systems

15 credits

This course covers heavy duty steering, suspension, frame and pneumatic system components,clutches, manual transmissions, drivelines, U-joints, differentials, power shift transmissions, torque converters, traction, and undercarriage systems used in heavy duty application and foundation brake systems and components. Instruction focuses on nomenclature, application, maintenance, diagnosis, repair, installation, and adjustment.

Prerequisites: DHET 110, valid Washington state driver’s license, and must be at least 18 years old by the end the last quarter in the program

Course Outcomes
Upon successful completion of this course students will be able to:

Identify all major components of heavy duty steering, suspensions, and frame systems
Troubleshoot, remove and replace components of heavy duty steering, suspensions, and frame systems
Follow industry standard safety practices
Troubleshoot, maintain, and repair pneumatic system components
Explain and test foundation brake system operating concepts
Demonstrate repair and maintenance procedures of foundation brake systems to industry standard
Demonstrate how to measure lining wear and compare to legal limit specifications
Demonstrate proper adjustment procedures and inspect for travel and applied angle
Disassemble, inspect, install and adjust clutches in accordance to manufacturers’ specifications
Disassemble, inspect, repair, reassemble, and adjust manual transmissions in accordance to manufacturers’ specifications
Disassemble, inspect, repair and reassemble, install and adjust differentials in accordance to manufacturers’ specifications
Disassemble, inspect, repair and reassemble power shift transmissions, planetary gears, hydraulic clutch packs, and planet carriers
Repair all variations of drive shafts
Inspect, test, remove, and replace torque converters, hydraulic couplers, hydraulic retarders, and track type undercarriage components.
Adjust tracks to O.E.M. specification

Total Hours: 250 Theory (Lecture) Hours: 50 Guided Practice (Lab or Clinical) Hours: 200