Agilent Technologies PNA Series Service Manual page 270

Repair and Replacement Procedures
Removing and Replacing the A41 Hard Disk Drive
Removal Procedure
1. Disconnect the power cord.
Removing the HDDA
Refer to Figure 7-27
1. With a T-10 TORX driver, loosen the four HDDA mounting screws (item
panel.
2. Remove the HDDA from the analyzer by pulling on the finger grip (item
interconnects with a connector inside the analyzer rear panel so moderate force may be
necessary to disengage this connector.
Figure 7-27 Hard Disk Drive Assembly Removal
Disassembling the HDDA
When replacing the hard disk, first torque all four screws (item ③) to 4 in-lb,
IMPORTANT
then secure each to 7 in-lb with a T-10 TORX driver.
Refer to Figure 7-28.
1. Remove the hard disk drive assembly from the analyzer. Refer to
on page 7-58.
2. With a T-10 TORX driver, remove the four screws (item
②
(item ), that mount the hard disk (item
3. Disconnect the hard disk (item
7-58
for this procedure.
④
) from the interface board (item
PNA Series Microwave Network Analyzers
①
), and the eight bushings
④
), to the bracket.
Service Guide E8361-90001
E8361A
①
) on the rear
②
). The HDDA
"Removing the HDDA"
③
).