(g)
Make sure the tester shows the correct value as shown in the EFIS DATA BUS SIGNAL table that follows:
(h)
At the E 2-1 rack, Push and hold the TEST switch on the left IRU for 10 seconds.
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~......................................................... | EFIS DATA BUS SIGNAL | ........................................................... | | TESTER SETUP | | | SIGNAL ........................ TESTER | | | SUBFRAME | WORD | DISPLAY | ........................................................... | Roll Attitude | 0 | 8 | 0750 to 1030 | 2...................…..........…...........…..............1
(i)
Set the left EFI instrument source select switch to the ALTN position.
(j)
Set the SUBFRAME and WORD for each signal in the EFIS DATA BUS SIGNAL table.
(k)
At the E 2-1 rack, Push and hold the TEST switch on the left IRU for 10 seconds.
~......................................................... | EFIS DATA BUS SIGNAL | ........................................................... | | TESTER SETUP | | | SIGNAL ........................ TESTER | | | SUBFRAME | WORD | DISPLAY | ........................................................... | Pitch Attitude | 0 | 22 | 0104 to 0234 | 2...................…..........…...........…..............1
S 865-817-002
(2) Set the L EFIS instrument select switch to the NORM position.
P. FCC Test
S 735-798-002
(1) Do the FCC test that follows:
(a) Make sure the autopilot/flight control system is operational (AMM 22-10-00/501).
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(b) At the main equipment center, set the MCDP to the GND TEST
position.
(c) Set the SUBFRAME and WORD in the FCC TEST TABLE that follows:
NOTE:____ Only activate one autopilot at a time.
~.............................................................................. | FCC TEST TABLE | ................................................................................ | | | AUTOPILOT | | | | SUFRAME | WORD | CMD SW | BIT (DISCRETE)| TEST DATA | ................................................................................ | 1 | 11 | LEFT A/P | 2 | 1 | | | | ENGAGE | | | ................................................................................ | 1 | 11 | LEFT A/P | 2 | 0 | | | | DISENGAGE | | | ................................................................................ | 2 | 18 | RIGHT A/P | 2 | 1 | | | | ENGAGE | | | ................................................................................ | 2 | 18 | RIGHT A/P | 2 | 0 | | | | DISENGAGE | | | ................................................................................ | 4 | 8 | CNTR A/P | 2 | 1 | | | | ENGAGE | | | ................................................................................ | 4 | 8 | CNTR A/P | 2 | 0 | | | | DISENGAGE | | | 2...............…...............…...............…...............…..............1 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 仪表 CHAPTER 31 - INSTRUMENTS 1(87)
