Keysight N9912A Service Guide                           7-19
Repair and Replacement Procedures
Removing and Replacing the Case Group Parts
Figure 7-12  Combining the Front and Rear Cases (2)
8. Position the rear case directly over, and aligned with, the front case and 
the side panels as shown.
9. Make sure the battery cable is tucked in between the measurement group 
assemblies and the blank side panel and that it is not in the path of the 
screw hole indicated.
10.Firmly press the cases together being careful not to damage the gaskets.
11.Install six new screws (item 7) to secure the rear case to the front case. 
These new screws are provided in the Repair and Re-assembly Kit.
12.Tighten the six screws (item 8) that secure the RF top panel.