(b)
Open these circuit breakers and attach the DO-NOT-CLOSE tags:
1) On the overhead equipment panel P11: a) 11E8, FMCS CDU L b) 11E9, FMCS CMPTR L c) 11E30, FMCS CMPTR R
(c)
GUN 102-999; On the tester, set the SUBFRAME to 0 and the WORD to 29.
(d)
GUN 051; On the tester, set the SUBFRAME to 0 and the WORD to 54.
(e)
At the P5 panel, set the left IRS mode select switch to the NAV position.
NOTE: Alignment may take about 10 minutes.
____
(f)
On the left IRU at the E 2-4 rack, push and hold the test switch for 10 seconds.
(g)
GUN 102-999; On the tester, make sure the tester display shows between 6736 and 7224.
(h)
GUN 051; On the tester, make sure the tester display shows between 2760 and 3220.
GUN 001-008, 010, 101 POST-EO B531006; ú 31-31-00
GUN 051, 102-999 ú CONFIG 2 ú 06 Page 514 ú Sep 28/01
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MAINTENANCE MANUAL
(i) Remove the DO-NOT-CLOSE tags and close these circuit breakers:
1) On the overhead equipment panel P11: a) 11E8, FMCS CDU L b) 11E9, FMCS CMPTR L c) 11E30, FMCS CMPTR R
S 865-816-002
(2) Set the IRS to the usual condition (AMM 34-21-00/501).
N. Captain's EFI Instrument Select Switch Test
S 735-742-002
(1) Do the EFIS switch test that follows:
(a)
Make sure the EFIS system is operational (AMM 34-22-00/501).
(b)
On the tester, set the SUBFRAME to 3 and the WORD to 31.
(c)
Set the captain's EFIS instrument source select switch to the NORM position.
(d)
Make sure the BIT (DISCRETE) 6 shows a 1.
(e)
Set the captain's EFI instrument select switch to the ALTN position.
(f)
Make sure the BIT (DISCRETE) 6 shows a 0.
(g)
Set the captain's EFIS select switch to the NORM position.
O. EFIS Data Bus Test
S 735-709-002
(1) Do the EFIS data bus test that follows:
(a)
Make sure the EFIS system is operational (AMM 34-22-00).
(b)
Make sure the captain's EFIS instrument source select switch are at the NORM position.
(c)
Make sure the left IRU is operational (AMM 34-21-00/501).
(d)
Set the captain's IRU source select switch to the NORM position.
(e)
Set the left IRS mode select switch to the NAV position.
NOTE: Alignment may take about 10 minutes.
____
(f)
Set the SUBFRAME and WORD for each signal in the EFIS DATA BUS SIGNAL table.
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本文链接地址：757 AMM 飞机维护手册 仪表 CHAPTER 31 - INSTRUMENTS 1(86)
