757 AMM 飞机维护手册 仪表 CHAPTER 31 - INSTRUMENTS 1(88)

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 Q. Mode Control Panel (MCP) Switch Position Test
 S 735-799-002
 (1) Do the MCP switch test that follows:
 (a)
On the tester, Set the SUBFRAME to 3 and the WORD to 53.

 (b)
Set the captain's F/D switch to the ON position.

 (c)
Make sure the BIT (DISCRETE) 1 shows a 1.

 (d)
Set the captain's F/D switch to the OFF position.

 (e)
Make sure the BIT (DISCRETE) 1 shows a 0.

 
 GUN 001-008, 010, 101 POST-EO B531006;  ú 31-31-00
 GUN 051, 102-999  ú CONFIG 2 ú 06 Page 517 ú Sep 28/01

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757 MAINTENANCE MANUAL
 R. TMC Data Bus Test
 S 735-711-002
 (1)  Do the TMC data bus test that follows:
 (a)  
Make sure the thrust management system is operational (AMM 22-32-00).

 (b)  
On the tester, set the SUBFRAME to 0 and the WORD to 7.

 (c)  
Set the autothrottle arm switch on the autopilot mode control panel to the ARM position.

 (d)  
Make sure the TMC is in the T/O mode on the EICAS display (AMM 22-32-00).

 (e)  
Push the thrust reference set control on the EICAS display select panel.

 (f)  
On the tester, make sure the BIT (DISCRETE) 2 shows a 1.

 (g)  
Remove the T/O mode from the the TMC.

 (h)  
On the tester, make sure the BIT (DISCRETE) 2 shows a 0.

 S 865-818-002
 (2)  Set the TMC and the EICAS back to normal.
 S. DME Data Bus Test
 S 735-712-002
 (1)  Do the DME data bus test that follows:
 (a)  
Make sure the DME system is operational (AMM 34-55-00).

 (b)  
On the left VOR control panel, set the VOR frequency to 108.00 MHZ.

 (c)  
On the transponder/ DME ramp test, set the tester NAV control dial to 108.00 MHZ with a distance of 50 NM.

 (d)  
On the tester, set the SUBFRAME to 2 and the WORD to 30.

 (e)  
Make sure the tester display shows between 1320 and 1560.

 (f)  
On the right VOR control panel, set the VOR frequency to 108.00 MHZ.

 (g)  
On the transponder/ DME ramp test,set the distance to 100 NM.

 (h)  
On the tester, set the SUBFRAME to 4.

 (i)  
Make sure the tester display shows between 2760 and 3220.

 S 865-618-002
 (2)  Set the DME back to the usual condition.
 T. Yaw Damper Engage Test
 S 735-739-002
 (1)  Do the yaw damper test that follows:
 (a)  Make sure the yaw damper system is operational (AMM 22-21-00).
 
 GUN 001-008, 010, 101 POST-EO B531006;  ú 31-31-00
　
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