Cdc 4Y051A Volume 1

Front 1

What are the three major assemblies of the unit-mounted light?

Back 1

(1) Transformer and rigid arm assembly.
(2) Flex arm assembly
(3) Light head assembly.

Front 2

Briefly explain how to remove and repalce the light bulb in a dental light?

Back 2

First, turn the light switch off and allow the bulb to cool. If you must repalce the bulb immediately, use a guaze pad or cloth to protect your fingers when removing the bulb. Release the fastening devices on the light shield and move the shield aside. Carefully pull the old bulb from the socket and discard it. Open the wrapperof the new bulb to expose the bulb pins, but do not remove the bulb from the wrapper. Use the wrapper to protect the bulb while installing it. Carefully insert the new bulb into the socket and remove the wrapper. Replace the light shield and test the light.

Front 3

Why should the wrapper be used to protect the bulb while installing? What should you do if you inadvertently touch the bulb?

Back 3

Finger oils limit bulb life and can affect light performance. Gently clean it with cotton soaked in ethyl alcohol.

Front 4

Explain how to properly clean the dental light?

Back 4

(1) After cooling, remove the light shield by releasing the toggles on either side. (2) Immerse (3) Clean (4) Use (5) Do not

Front 5

What should never be done when cleaning the dental light?

Back 5

Never use abrasives, chlorine, water or any water based cleaning solution on the inside surface of the reflector; such things can damage or discolor the reflector surface and impar the effectiveness of the light.