Sun Microsystems SPARCstation 4 110 Service Manual page 70

1. Shut down and power off the system.
See Section 6.1 "Powering Off the System" on page 6-1.
2. Disconnect the external power cord from the rear panel of the system unit and
from the wall outlet.
3. Remove the cover.
See Section 7.1 "Removing the Cover" on page 7-1.
4. Attach a wrist strap and secure it to the upper flat edge of the rear panel.
See
FIGURE 8-1
Note – The wrist strap is usually grounded to the power supply. When removing or
replacing the power supply, attach the wrist strap to the upper flat edge of the rear
panel to ground the system.
5. On the rear panel, loosen the captive screw securing the power supply to the
chassis.
See
FIGURE 8-1
8-2 SPARCstation 4 Model 110 Service Manual • July 1996
.
.