1. Both F-1287J were riveted to F-1287A. 2. Pivot holes on both sides of the tray were final-drilled 1/4. 3. SB187-2 bushing was installed on F-1287A. 4,5.The bushings TFI-0304-04 were installed into F-1287A, they were later filed up to the dimensions shown in the manual. 6. F-1287C was deburred. 7,8. Bushing TFI-0304-04 was installed into F-1287C and filed up to the dimensions called out in the manual. 9. The servo length was already inside the tolerance for the dimensions required.