Removing And Replacing The Fans - Keysight N5264A Service Manual

Repair and Replacement Procedures

Removing and Replacing the Fans

Removing and Replacing the Fans
Tools Required
— T-10 TORX driver (set to 9 in-lb)
— T-20 TORX driver (set to 21 in-lb)
— Pozidriv screw driver
— ESD grounding wrist strap
Removal Procedure
Refer to
1. Disconnect the power cord.
2. Remove the outer and inner covers. Refer to
3. Remove the front panel assembly. Refer to
4. Remove the power supply bracket. It is not necessary to remove the entire
5. Remove five screws (item
6. Remove three screws (item
7. Raise the fan bracket out of the measurement receiver just enough to
8. Remove the fan bracket and fans from the measurement receiver.
9. To remove a fan or fan guard from the fan bracket:
Replacement Procedure
1. Reverse the order of the removal procedure.
2. Perform the post-repair adjustments, verifications, and performance tests
7-38
Figure 7-18
for this procedure.
page 7-5.
Front Panel Assembly" on page
power supply, just the power supply bracket. Refer to
Replacing the A16 Power Supply Assembly" on page
bracket.
access the fan cables. Disconnect the fan cables from the A14 system
motherboard connectors (item
a. Before removing a fan or fan guard, note the orientation of each fan
and fan guard for reinstallation.
b. Pull up the center pin of each of the fan rivets as shown by (item
in the illustration.
c. Pull out the rivet completely (as shown by (item
illustration) to release the fan and fan guard.
that pertain to this removal procedure. Refer to
"Removing the Covers" on
"Removing and Replacing the
7-7.
①
) that attach the fan bracket to the chassis.
➁
) that attach the rear panel to the fan
③
).
Keysight N5264A Service Guide
"Removing and
7-22.
⑤
) in the
Table 7-2 on page 7-42.
④
)