7-78 Service Guide E8364-90038
Repair and Replacement Procedures PNA Series Microwave Network Analyzers
Removing and Replacing the Midweb and the B1 Fan E8362C, E8363C, E8364C
Removing the Fan
Refer to Figure 7-35.
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 7-35 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 7-82.
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