Mid Web - Agilent Technologies PSA Series Service Manual

Assembly Replacement Procedures
Fans/Mid Web

Mid Web

To completely remove the mid web, perform the following steps:
Removal
1. Remove the instrument top brace. Refer to the
2. Drop the front frame. Refer to the
3. Remove the attenuator assembly. Refer to the
4. Remove the A5 power supply. Refer to the
5. Remove the vertical board assemblies. Refer to the
6. Refer to
7. Using the T-10 driver, remove the 9 screws (1) that secure the
8. Unplug the 3 fan connectors from the motherboard.
9. Lift the mid-web/fan assembly from the deck.
Figure 11-44 Mid-Web/Fan Assembly Removal
376
procedure.
procedure.
E4440A, E4443A, E4445A"
removal procedure.
Assemblies (Standard Instrument)"
Figure 11-44. Undress the coaxial cables from the cable
guide in the mid-web.
mid-web/fan assembly (2) to the deck. Note this includes 5 screws
on the bottom of the instrument. Refer to
and remove the screws (1).
"Top Brace"
"Drop the Front Frame"
"Attenuator Assembly
removal procedure.
"A5 Power Supply"
removal procedure.
Figure 11-47 on page 383
removal
"Vertical Board
Chapter 11