Title: Lubricate all fifth wheel grease fittings and plate, if applicable.
Course: Diesel Equipment Technology I (20107-I) > Section: Preventive Maintenance and Inspection: Servicing the Frame and Fifth Wheel

Lubrication should include

- cleaning of all previous grease and debris
- following manufacturer recommendations.

Process/Skill Questions:

- Why would fifth wheel manufacturers approve of a lube plate made out of high-density polyethylene?
- What types of grease should be used to lubricate the top of a fifth wheel?
- How often should a fifth wheel be cleaned of old grease and why?
- Why should a fifth wheel lifted from the rear and released drop down so the rear is always lower than the front?