Installation guide

Assembly Replacement
AT1 High-Power Mechanical Attenuator (Option UNB) with A28 Reverse Power Protection (Option 501, 502, 503, 504 or
Option UNJ)
2-64
Replacement Procedure
1. Reverse the order of the removal procedure.
2. Torque all T-10 screws to 9 in-lbs.
3. Torque all RF cables to 9 in-lbs.
4. Perform the post-repair adjustments and performance tests that pertain to this removal procedure.
Figure 2-32 AT1 High-Power Mechanical Attenuator (Option UNB) with
A28 Reverse Power Protection (Option 501, 502, 503, 504 or Option UNJ)