Technical data

4-4
Replacing Instrument Assemblies
To Remove the Mainframe Cover
To Remove the Mainframe Cover
CAUTION Electrostatic discharge (ESD) can damage or destroy electrostatic components. All work on
electronic assemblies should be performed at a static-safe work station. See ”Electrostatic
Discharge Information” on page 1-9 for more information on preventing ESD.
1 Disconnect the power cord from the instrument.
WA R N I N G Opening covers or removing parts is likely to expose dangerous voltages. Disconnect the
instrument from all voltages before it is opened.
2 Position the mainframe so that you have access to the back of the instrument, as shown in Figure
4-1.
Figure 4-1. Accessing the Back of the Mainframe
3 Use a T-15 TORX driver to remove the four screws that attach the rubber feet to the back of the
instrument, as shown in Figure 4-2.