DISL 30 - Differential Rebuilding

Course Description

  • Prerequisite: DISL 20
  • DISL majors only

Classroom instruction and laboratory training covering the disassembly, inspection, identification, and adjustment of several different models of differentials. Specifically, work stations will include: single reduction, two speed planetary reduction, and double reduction and interaxle differentials. Course exit competencies will include the ability to: disassemble and assemble; inspect parts; set bearing preload, backlash, and endplay; identify tooth contact pattern; and check gear runout and torque fasteners. All of these tasks will be performed to the required manufacturer specifications as found in the component manuals.

Student Learning Outcomes

After successful completion of DISL 30, the student will be able to:

  • Identify components and their functions in a differential
  • Select and use tools, service manuals and measuring instruments
  • Demonstrate ability to use a 50 ton press and arbor press
  • Describe procedure to remove and replace bearing, cup and oil seal
  • Point out the power flow from drive shaft to wheels
  • Explain how to preload pinion bearings
  • Locate and identify model, serial and part book
  • Make a part list using a parts book
  • Match complaints to trouble shooting guide
  • Discuss failure analysis and identify marks
  • List preventive maintenance procedures