LESSON ASSIGNMENT
LESSON 4
Perform Preventive Maintenance Checks and Services
on the Dental Operating Unit.
TEXT ASSIGNMENT
Paragraphs 4-1 through 4-5.
TASKS TAUGHT
Perform Preventive Maintenance Checks and Services
on the Dental Operating Unit.
LESSON OBJECTIVES
When you have completed this lesson, you should be
able to:
4-1.
Identify the water and air circuits in the dental
operating unit.
4-2.
Identify the components of the dental operating
unit.
4-3.
Identify the frequency and steps in performing
PMCS on the dental operating unit.
SUGGESTION
Work the lesson exercises at the end of this lesson
before beginning the next lesson. These exercises will
help you accomplish the lesson objectives.
MD0371
4-1