Keysight Technologies N9040B UXA Signal Analyzer Service Guide 453
Assembly Replacement Procedures
Fan Assembly
Fan Replacement
1. Refer to Figure 15-101. To replace a fan (1), remove the six screws (2)
(0515-1038). Lift off the fan grills (3) and the side bracket (4). Remove
the screw (0515-0372) from the clip retaining the fan wires. The fan can
now be lifted out and replaced.
Figure 15-101 Fan Replacement
2. When replacing a fan, place it on the inner side bracket (5) using the
guide pins. Note the orientation of the fan air flow, the air flow marks on
the fan point toward the bracket. Feed the fan wires through the grommet.
Reattach the wire retaining clip with the screw (0515-0372).
3. Place the side bracket (4) into position and replace the six screws (2)
(0515-1038). Torque to 9 inch-pounds.
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