450 Keysight Technologies N9040B UXA Signal Analyzer Service Guide
Assembly Replacement Procedures
Fan Assembly
Fan Assembly
Removal
1. Remove the instrument outer case. Refer to the “Instrument Outer Case”
removal procedure.
2. Remove the front frame. Refer to the “Front Frame Assembly” removal
procedure.
3. For Serial Number Prefix < 5605 Options 508, 513, 526:
— Refer to Figure 15-98. Remove the nine screws (1) (0515-0372) and
the two screws (2) (0515-1946) that attach the fan bracket to the
chassis.
Figure 15-98 Fan Bracket Removal
Serial Number Prefix < 5605 Options 508, 513, 526