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757 MAINTENANCE MANUAL
W. EICAS Computer Switch Test
S 735-714-002
(1) Do the EICAS switch test that follows:
(a)
Make sure the EICAS computer is operational (AMM 31-41-00).
(b)
On the tester, set the SUBFRAME to 3 and the WORD to 31.
(c)
Set the COMPUTER switch on the EICAS DISPLAY select panel to the R position.
(d)
Make sure the BIT (DISCRETE) 5 shows a 0.
(e)
Set the COMPUTER switch on the EICAS DISPLAY select panel in the AUTO position.
(f)
Make sure the BIT (DISCRETE) 5 shows a 1.
X. Flap Alternate Test
S 735-745-002
(1) Do the flap alternate test that follows:
(a)
Make sure the trailing edge flap is operational (AMM 27-51-00).
(b)
On the P3-1 panel, push the TE ALTN switch to the in position.
(c)
On the tester, set the SUBFRAME to 2 and the WORD to 45.
(d)
Make sure the BIT (DISCRETE) 2 shows a 1.
(e)
On the P3-1 panel, push the TE ALTN switch to the out position.
(f)
Make sure the BIT (DISCRETE) 2 shows a 0.
Y. Flight Control Surface Position Test
S 915-683-002
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
_______ HYDRAULIC POWER IS APPLIED. AILERON, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO PERSON OR EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(1)
Supply hydraulic power (AMM 29-11-00/201).
S 735-717-002
(2)
Elevator Position Test
(a) Make sure the elevator control system is operational (AMM 27-31-00/501).
GUN 001-008, 010, 101 POST-EO B531006; ú 31-31-00
GUN 051, 102-999 ú CONFIG 2 ú 06 Page 520 ú Sep 28/01
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757 MAINTENANCE MANUAL
(b) Set the SUBFRAME and WORD for each signal and set the elevator position as shown in the table that follows:
~......................................................................
| SIGNAL | TESTER SETUP | |
................ ......... ... ............ ........... TESTER |
| ELEVATOR | POSITION | SUBFRAME | WORD | DISPLAY |
........................................................................ | RIGHT | NEUTRAL | 1 | 45 | 7570 to 0054 | | ........................................................... | | FULL UP | 1 | 45 | 2370 to 2660 | 2............…............…............…..........…....................1 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(90)
