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ESG Family Signal Generators Assembly Replacement
A20 Downconvertor
Service Guide 5-39
A20 Downconvertor
Tools Required
• T-10 TORX screwdriver
• 5/16” open-end wrench
Removal
1. Remove the instrument cover. (Refer to the “Instrument Cover” replacement procedure
on page 5-64.)
2. Remove the top cover by removing the 11 screws that secure it.
3. Disconnect W31, W32, W33, and W34 from the downconvertor assembly (A20).
(See Figure 5-22.)
4. Remove the two T-10 TORX screws (item 1) holding the assembly to the chassis.
5. Slide the assembly out and up to remove.
Replacement
1. Reverse the removal procedure and do the following:
• Torque all T-10 TORX screws to 9 in-lbs.
• Torque all semi-rigid coaxial line connectors to 9 in-lbs.
Figure 5-22 A20 Downconvertor