Replacing the top cover/power cut-off switch assemblyTo install the top-cover/power cut-off switch, complete the following steps:1. Read the safety information that begins on page “Safety” on page vii and“Installation guidelines” on page 261.2. Align the screw holes on the assembly with the holes on the chassis wall andsecure the assembly to the chassis with the screws you removed earlier.Top cover powercut-off switch3. Run the assembly cable under the front edge of the operator information paneland then through the loops on the side of the drive cage next to operatorinformation panel. Connect the assembly cable to the top cover/power cut-off358 System x3690 X5 Types 7147, 7148, 7149, and 7192: Problem Determination and Service Guide