Disassembly/Assembly Procedures and Parts List 3
Keysight 3458A Assembly-Level Repair Manual 69
Figure 3-6 Remove/Install top shield screw
7 Remove ac power from the 3458A.
8 Line up the slots on the bottom shield with the shield retainers. Then push the
shield toward the front of the instrument until the shield screw hole lines up
with the screw hole in the chassis. Use the #TX10 Torx driver to reinstall the
shield screw.
9 If installing the bottom cover is not required, continue with step 11.
10 Install the bottom cover by placing it over the chassis with the front of the
cover just clearing the front panel. Then push the cover toward the front of the
instrument into the front panel bezel.
11 If installing the top cover is not required, continue with step 14.
12 Turn the 3458A over so the bottom sits on your workbench.