A. Computer Controls

To Replace Computer

1.Disconnect power to the dryer.

2.Disconnect main power harness from rear of computer by squeezing locking tab and pulling connector straight back.

3. Disconnect the green ground wire from the computer.

4. Disconnect keyboard ribbon from the computer.

5. Remove the two hex nuts securing the

computer to the sheet metal control panel. Remove the board by pulling the other two corners off the clinch studs.

6. Install new computer by reversing this procedure.

7.When replacing the computer, the "A" and "B" factors must be reprogrammed. (see "Computer Operator's Manual" for details)

NOTE: The "A" and "B" factors are printed on a label located on the rear of the control panel (see illustration)

8. Reestablish power to dryer.

To Replace Keyboard Label Assembly

1.Discontinue power to dryer.

2.Unplug keyboard ribbon from rear of computer.

3.Slowly peel off and remove keyboard label assembly from control panel.

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American Dryer Corp AD-170 service manual Computer Controls To Replace Computer, To Replace Keyboard Label Assembly