Disassembly/Assembly Procedures and Parts List 3
Keysight 3458A Assembly-Level Repair Manual 95
5 Refer to Figure 3-17. Do the following:
a Locate and pull the Front/Rear switch pushrod off the Front/Rear Terminals
switch. You may need to pry the pushrod loose with a small screwdriver.
Then remove the pushrod by pulling it out of the front panel from the rear.
b With a small flat bladed screwdriver, pry the top trim loose and remove
from the Front Panel assembly.
6 Set the 3458A on your workbench with the left side facing you.
7 Refer to Figure 3-18. Insert a large screwdriver between the Front Panel
assembly and the chassis, as shown in the figure. With the screwdriver,
carefully pry the left side of the Front Panel assembly loose. Move the front
panel out of the chassis until it unlocks from the chassis. Do not move it any
more, or it may break.
Figure 3-18 Remove front panel assembly