410                  Keysight Technologies N9040B UXA Signal Analyzer Service Guide
Assembly Replacement Procedures
RF Area - Options 544, 550
2. Refer to Figure 15-59. Place the chassis base stiffener (1 ) in position on 
the chassis base. Secure with the six screws (2) (0515-0372) and the two 
screws (3) (0515-1946). Torque all screws to 9 inch-pounds.
Figure 15-59  Chassis Base Stiffener Replacement