EXERCISES, LESSON 6
INSTRUCTIONS: Answer the following exercises by circling the lettered response that
best answers the question.
After you have answered all of the exercises, turn to "Solutions to Exercises" at
the end of the lesson and check your answers. For each exercise answered incorrectly,
reread the lesson material referenced after the solution.
What tool should you use to temporarily stop air or water flow through tubing while
repairing the unit?
a. Sleeve tool.
b. Snap ring pliers.
When you replace the pilot-operated regulator diaphragm, which of the following
procedures should you use?
a. Unplug the dental operating unit from the power source.
b. Turn the regulator face up with the word "A-DEC" right-side-up.
Remove the two Allen screws that are diagonally opposed to each other and
remove the screw in the bottom right corner.
d. Separate the top from the bottom or the regulator and remove the white
spacer from the top.