Disassembly/Assembly Procedures and Parts List 3
Keysight 3458A Assembly-Level Repair Manual 99
9 Align the Front Panel assembly with the instrument chassis. Be sure the
extension on the center portion of the instrument chassis is aligned with the
slot in the display board.
10 Place the right side of the Front Panel assembly over the standoffs on the
chassis, then push the left side of the Front Panel assembly over the chassis
standoffs until it locks in place.
11 Install the top trim into the channel on top of the Front Panel assembly. Lock it
in place (see Figure 3-17).
12 Install the current terminal/fuse assembly into the binding post. Push the
assembly in and turn counterclockwise until it locks in place.
13 Refer to Figure 3-17. Guide the Front/Rear Terminals switch pushrod through
the rear of the front panel's access hole. Then align the pushrod with the
Front/Rear Terminals switch shaft and push it all the way onto the shaft.
14 Set the 3458A on your workbench with the bottom facing you.
15 Refer to Figure 3-16. Do the following:
a Guide the Guard switch pushrod through the rear of the front panel's
access hole. Then align the pushrod with the Guard switch shaft and push it
all the way onto the shaft.
b Guide the power switch pushrod through the rear of the transformer
shield's access hole. Then guide the pushrod through the rear of the front
panel's access hole. Align the pushrod with the ac power switch shaft and
push it into the onto the shaft.
c Locate the gray 26-pin cable connected to the Display Logic assembly.
Line up the cable plug with the socket on the Outguard Power Supply
assembly connector. Then plug the cable all the way in.
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