50 SPARCstation 20 Service Manual • July 1996
4. Grasping the rear of the cover, lift the cover up and toward the system front.
When the cover is at a 60-degree angle to the chassis, push the cover away from
the front panel to free the cover hinge tabs from the chassis slots.
5. Put the cover aside (
FIGURE 7-2).
FIGURE 7-2 Removing the Cover
Attaching the Wrist Strap
To attach the wrist strap:
Caution – Wear an antistatic wrist strap and use an ESD-protected mat when
handling components. When removing components other than the power supply,
leave the power cord connected to both the system and the wall receptacle. When
removing the power supply, attach the copper end of the wrist strap to the system
chassis. Store ESD-sensitive components in antistatic bags before placing it on any
surface.
1. Unwrap the first two folds of the wrist strap. Wrap the adhesive side firmly
around the wrist (
FIGURE 7-3).
2. At the opposite end of the wrist strap, peel the liner from the copper foil. Attach
the copper foil to the power supply metal casing.
Rear of cover
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