7-50 Service Guide N5230-90024
Repair and Replacement Procedures PNA Series Microwave Network Analyzers
Removing and Replacing the Midweb and the B1 Fan(s) N5230C
Removing the Fan(s)
Refer to Figure 7-21.
1. To remove any one of the three fans, 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 7-21 B1 Fan Removal
Replacement Procedure
1. Reverse the order of the removal procedure.
2. Perform the post-repair adjustments, verifications, and performance tests that pertain to this removal
procedure. Refer to Table 7-2 on page 7-54.
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