342 Chapter 11
Assembly Replacement Procedures
RF Section E4446A, E4447A, E4448A
5. To remove the YTO, remove the two bottom screws that attach it to
the bracket. Do not remove the RYTHM from the bracket.
CAUTION When you remove the two screws that attach the YTO to the bracket,
the YTO will become detached from the YTO can. Take care to hold the
complete YTO assembly while removing these screws.
Replacement
1. Carefully place the YTO into the bracket.
2. Using the T-10 driver, replace the screws to attach the device to the
bracket. Torque to 9 inch pounds.
3. Place the bracket into the RF section. Replace the three screws to
attach the bracket to the RF section. Torque to 9 inch pounds.
4. Replace the cables to the correct locations. Torque the semi-rigid
cables to 10 inch pounds.
5. Replace the ribbon cables to the YTO and SBTX/RYTHM.
A21 FELOMA
Removal
1. Refer to Figure 11-24. Remove the semi-rigid cables W24, W35, W38,
W41, and W43.
2. Refer to Figure 11-23. Remove the two wire harnesses from the
FELOMA (9).
3. Refer to Figure 11-25. Using the T-10 driver, remove the 2 screws
(2).
4. The FELOMA can now be removed from the RF section.
Replacement
1. Place the FELOMA in place on the bracket in the RF section.
2. Using the T-10 driver, replace the 2 screws. Torque to 9 inch pounds.
3. Reattach the wire harnesses to the FELOMA.
4. Replace the cables to the correct locations. Torque the semi-rigid
cables to 10 inch pounds.
FL1 Low Pass Filter
Removal
1. Refer to Figure 11-23. Hold the FL1 lowpass filter (8) with a 7/16”
open-end wrench while loosening semi-rigid cables W36 and W37.