Procedure 2. Al Front Frame/Al8 CRT
15. Use a 
5/16-inch
 wrench to connect W41 from the A9 input attenuator to the front panel
INPUT 
50R
 connector. Make sure that W40, W36, and 
AlWl
 are routed between W41
and the attenuator bracket. Secure the A9 input attenuator bracket to the center support
on the front frame using one 
panhead
 screw. See Figure 4-3 (2).
16. Place led 
AlWlDSl
 into the line-power switch assembly.
17. Attach the line switch assembly into the front frame using one 
panhead
 screw. Be sure to
connect the line-power switch ground lug with the screw. The screw is captive.
18. Fold up the Al4 and Al5 assemblies as described in “Procedure 9. Al4 and Al5
Assemblies Replacement,” steps 3 through 5.
19. Place the spectrum analyzer top-side-up on the work bench and connect 
AlAlWl
 to
A3J602.
20. Snap post-accelerator cable 
A6AlW3
 to the A18 CRT assembly.
21. Snap the black grommet protecting the 
A6AlW3
 into the CRT shield.
22. Fold up assemblies A2, A3, A4, and A5 as described in “Procedure 5. A2, A3, A4, and A5
Assemblies Replacement,” steps 6 through 12.
23. Replace the spectrum analyzer cover assembly.
24. Connect the line-power cord and switch the spectrum analyzer power on. If the display
does not operate properly, turn off spectrum analyzer power, disconnect the line cord, and
recheck the spectrum analyzer.
4-12 Assembly Replacement