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MAINTENANCE MANUAL
H. Captain's ADC Select Switch Test
S 735-702-002
(1) Do the ADC switch test that follows:
(a)
Make sure the air data computing system is operational (AMM 34-12-00/501).
(b)
On the tester, set the SUBFRAME to 3 and the WORD to 31.
(c)
Set the captain's ADC source select switch to the NORM position.
(d)
Make sure the BIT (DISCRETE) 4 shows a 1.
(e)
Set the captain's ADC source select switch to the ALTN position.
(f)
Make sure the BIT (DISCRETE) 4 shows a 0.
(g)
Set the captain's ADC source select switch to the NORM position.
I. ADC Data Bus Test
S 735-703-002
(1)
Do the ADC data bus test that follows:
(a)
Make sure the air data computing system is operational (AMM 34-12-00/501).
(b)
Set the Captain's ADC Source Select switch to the NORM position.
(c)
Push and hold the left air data computer switch on the P61 test panel for more than 7 seconds.
(d)
Set the SUBFRAME and WORD for each signal as shown in the ADC
DATA BUS table. ~....................................................... | ADC DATA BUS SIGNAL TEST | ......................................................... | | TESTER SETUP | | | SIGNAL ........................... TESTER | | | SUBFRAME | WORD | DISPLAY | ......................................................... | ALTITUDE | 0 | 33 | 2040 to 2160 | ......................................................... | AIRSPEED | 0 | 63 | 4622 to 4766 | 2..............…............…............…..............1
(e)
Set the captain's ADC source select switch to the ALTN position.
(f)
Push and hold the right air data computer switch on the P61 test panel for more than 7 seconds.
(g)
Set the SUBFRAME and WORD for each signal as shown in the ADC DATA BUS table.
(2)
Set the Capt's ADC source select switch to the NORM position.
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GUN 001-008, 010, 101 POST-EO B531006; ú 31-31-00
GUN 051, 102-999 ú CONFIG 2 ú 06 Page 512 ú Sep 28/01
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757 MAINTENANCE MANUAL
J. Radio Altimeter (RA) Data Bus Test
S 735-704-002
(1) Do the RA data bus test that follows:
(a)
Make sure the RA is operational (AMM 34-33-00).
(b)
On the tester, set the SUBFRAME to 2 and the WORD to 55.
(c)
On the left RA at the E 5-1 rack, push and hold the TEST switch.
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本文链接地址：757 AMM 飞机维护手册 仪表 CHAPTER 31 - INSTRUMENTS 1(84)
