Technical data

Service Guide N5230-90025 7-55
PNA Series Microwave Network Analyzers Repair and Replacement Procedures
N5230C Removing and Replacing the Midweb and the B1 Fan
Removing the Fan
Refer to Figure 7-24.
1. To remove the fan, it is necessary to remove the four nylon rivets that attach it to the midweb. To do this,
use the Pozidriv screwdriver on the nylon screw (item
➀
) and a small blade screwdriver to stabilize the
rivet. Turn and push the rivet out of the rivet hole. Once the four rivets are out, remove the fan.
Figure 7-24 B1 Fan Removal
Replacement Procedure
1. Reverse the order of the removal procedure.
Use the tools specified for all mounting screws.
2. Perform the post-repair adjustments, verifications, and performance tests that pertain to this removal
procedure. Refer to Table 7-2 on page 7-58.