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Summary
5.Ifthe controls are dusty, use the compressed air to
clean them off. 6.If the controls are oily or greasy, use a denatured alcohol solution or degreaser to
clean them. 7.After cleaning the controls, use compressed air to dry them thoroughly.
Summary
Making sure that the electrical controls are clean and cfry prepares the truck for troubleshooting. If the controls are clean, they will operate more reliably. In some cases, dirt or moisture could cause a serious operational problem. Their presence also could result in incorrect voltage readings when you begin testing the components.
