(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

A

757
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.
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 儀表 CHAPTER 31 - INSTRUMENTS 1(86)