3 Disassembly/Assembly Procedures and Parts List
64 Keysight 3458A Assembly-Level Repair Manual
Figure 3-2 Remove/Install left side handle
6 Use the #1 Pozidriv to remove the left side handle strap screws. Then remove
the strap.
7 Refer to Figure 3-3. Use the #TX10 Torx driver to remove both or either the top
and bottom cover ground screws, depending on which cover is to be removed.
8 Refer to Figure 3-4. Turn the instrument so its rear faces you.
9 Use the #TX15 Torx driver to remove the four rear bezel screws. Then remove
the rear bezel.
10 If you do not wish to remove the top cover, continue with step 12.
11 To remove the top cover, pull the cover toward the rear until it clears the front
panel. Then slide it forward and away from the instrument.
12 If you do not wish to remove the bottom cover, continue with step 14.
13 Turn the 3458A over so its top sits on your workbench. To remove the bottom
cover, pull the cover toward the rear until it clears the front panel. Then slide it
forward and away from the instrument. Leave the instrument in its present
position.
14 If you do not wish to remove the bottom shield, continue with step 16.