Course Descriptions & Student Learning Outcomes

DISL 36 - Suspension And Steering (5)

  • Prerequisite: DISL 20

DISL majors only. Classroom instruction and laboratory training in suspension and steering component names and functions; frame inspection and repair; alignment of all axles; proper jacking and support of frame; overhaul of steering gear box and king pins; inspection of springs and hangars; driveline angle; checking and adjustment to front end caster, camber, toe, height, and tire balance; KPI and centering of gear box. Laboratory instruction will also include the disassembly, inspection, assembly, and adjustment of actual truck suspension systems, and computerized wheel alignment.

150 hrs. lect./lab. per term

Student Learning Outcomes

Upon successful completion of DISL 36, the student will be able to:

  • Identify and describe the four types of suspension systems used on today's heavy-duty trucks
  • Name the basic suspension parts and their function in a spring, rubber cushion, air bag, equalizing beam, and torsion bar systems
  • Demonstrate replacement procedures to repair a defective suspension system
  • Explain the relationship between suspension system alignment and axle equipment
  • Identify the steering system components on a heavy - duty truck
  • Describe the procedure to inspect front axle components for wear
  • Explain how toe, caster, camber, axle inclination, turning radius, and axle alignment affect tire wear, handling and directional stability
  • Demonstrate how to check and evaluate driveline working angles
  • List the difference between static and dynamic methods of wheel balancing
  • Describe the components and operation of a recirculating ball and a worm roller type steering gear
  • Explain how to check and adjust the preload and backlash on a manual steering gear
  • Explain the operation of a power steering system and identify the system's components

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