GUN 001-008, 010, 101 PRE-EO B531006; ú 31-31-00
GUN 009 ú CONFIG 1 ú 06 Page 514 ú Sep 28/01
(e)
(f)
(g)
(h)
(i)
(j)
(k)
(l)
A
757 MAINTENANCE MANUAL
Set the left IRS mode select switch to the NAV position.
NOTE: Alignment may take about 10 minutes.
____
Set the SUBFRAME and WORD for each signal in the EFIS DATA BUS
SIGNAL table.
Make sure the tester shows the correct value as shown in the
EFIS DATA BUS SIGNAL table that follows:
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 | 3 | 016X | ......................................................... | Roll Attitude | 0 | 13 | 1000 | ......................................................... | Magnetic Heading | 0 | 54 | 0252 | 2...................…..........…...........…............1
Set the left EFI instrument source select switch to the ALTN
position.
Set the SUBFRAME and WORD for each signal in the EFIS DATA BUS
SIGNAL table.
Push and hold the Test switch on the center EFIS symbol
generator for 10 seconds.
Make sure the tester shows the correct value as shown in the
EFIS DATA BUS SIGNAL table that follows:
~......................................................... | EFIS DATA BUS SIGNAL | ........................................................... | | TESTER SETUP | | | SIGNAL ........................ TESTER | | | SUBFRAME | WORD | DISPLAY | ........................................................... | Pitch Attitude | 0 | 3 | 0000 | | | | | | ........................................................... | Roll Attitude | 0 | 13 | 0000 | ........................................................... | Magnetic Heading | 0 | 54 | 0000 | 2...................…..........…...........…..............1
GUN 001-008, 010, 101 PRE-EO B531006; ú 31-31-00
GUN 009 ú CONFIG 1 ú 06 Page 515 ú Sep 28/01
A
757 MAINTENANCE MANUAL
S 865-873-001
(2) Set the L EFIS select switch to the NORM position.
O. EICAS Computer Switch Test
S 735-624-001
(1) Do the EICAS switch test that follows:
(a)
Make sure the EICAS computer is operational (Ref 31-41-00).
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(66)
