Chapter 11 407
Assembly Replacement Procedures
Front Frame Subassemblies
RPG
Removal/Replacement
1. Remove the front panel interface board. Refer to the “A2 Front Panel
Interface Board” removal procedure.
2. Unsolder the RPG, remove the nut and washer, and remove it from
the front panel interface board.
3. Place the new RPG in the correct position, tighten the nut and
washer, and resolder the leads.
4. Replace the front panel interface board. Refer to the “A2 Front Panel
Interface Board” replacement procedure.
External Trigger Cable
Removal/Replacement
NOTE The front panel External Trigger connector/cable must be replaced as
an assembly.
CAUTION Be careful to not scratch the dress panel when removing or replacing
this part.
1. Remove the front frame assembly. Refer to the “Front Frame”
removal procedure on page 314.
2. Refer to Figure 11-64. Using the 9/16 socket, remove the nut (1)
that secures the connector to the front frame.
3. Disconnect the cable from the A8 analog IF assembly.
4. For replacement, position the connector/cable through the front
frame, matching the “D” slot.
5. Using the 9/16 socket, replace the nut to secure the connector to the
front frame. Torque to 21 inch pounds.
6. Clip the cable into the cable clamps on the shield.
7. Re-route the cable to avoid interference with the fans or the airflow,
and reconnect to the A8 analog IF assembly.
8. Replace the front frame. Refer to the “Front Frame” replacement
procedure.
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