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Repair and Replacement Procedures
Removing and Replacing the Midweb and the B1 Fan
Removing the Fan
Refer to
Figure
7-19.
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
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 7-19 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
7-42
Table 7-2 on page
7-45.
PNA Series Microwave Network Analyzers
➀
) and a
Service Guide N5230-90014
N5230A
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Troubleshooting
