Title: Check the wheel bearings for looseness and noise.
Course: Diesel Equipment Technology I (20107-I) > Section: Preventive Maintenance and Inspection: Servicing the Drive Train

Checking should include

- removing the wheel and replacing the bearing, according to the manufacturer guidelines
- removing the wheel and hub
- removing the wheel bearing
- inspecting the wheel bearings
- replacing as necessary.

Process/Skill Questions:

- What are the procedures to remove a wheel and hub?
- Why would a wheel bearing need to be replaced?
- What are the tools needed for replacing wheel bearings?
- What precautions should be taken when removing a wheel?
- What procedure should be used when replacing wheel bearing?
- What tools should be used?
- Why should bearings never be dried with high air pressure? What problems are caused by spinning a bearing with high pressure?