S 745-085
(10)
Do MCDP Ground Test 30-CURRENT FAULT REPORT.
(a) Make sure that only these messages show during INFC FAULT ?
NO INFC TMC EEC L BUS IN
NO INFC TMC EEC R BUS IN
NOTE: The above messages will not show if you supply power
____ to the EEC before you set the MCDP to the ground test mode.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
22-10-00
ALL ú ú 14 Page 514 ú Jun 20/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
(b) These messages can show during CURRENT OP FAULT?
CURRENT FAULT EEC L
CURRENT FAULT EEC R
NOTE: The above messages will not show the if engines are
____
in operation.
S 865-092
WARNING: NOSE GEAR STEERING MUST BE LOCKED WHEN RUDDER MOVEMENT CAN
_______ OCCUR TO PREVENT INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(11)
Move the towing lever on the nose gear metering valve module to the TOW POSITION.
S 495-095
(12)
Install the nose gear steering valve lockpin (Ref. 09-11-00).
S 865-122
(13)
On the P10 panel, set the C and R STAB TRIM CUTOUT switches to the NORM position.
S 865-123
(14)
On the MCP, set switches as follows:
(a)
A/T ARM switch - ARM
(b)
GUN 051;
A/P ENGAGE switches - OFF
(c)
GUN 001-050, 052-999;
DISENGAGE bar - up position
(15)
Make sure the ASA has no indication.
S 715-097
(16)
Do the Instrument Landing System (ILS) Operational Test (Ref. 34-31-00).
S 755-096
(a) Make sure no failures occur.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
22-10-00
ALL ú ú 11 Page 515 ú Jun 20/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 865-124
(17) It will be necessary during this test for the hydraulics to be pressured. Pressurization of hydraulics must obey the steps that follow:
(a)
Hydraulic pressure can be supplied by the airplane electrically driven pumps or by ground hydraulic carts.
(b)
To make sure there is sufficient power when the airplane electrically driven pumps are used, operate only the hydraulic devices necessary for this test.
WARNING: MAKE SURE ALL PERSONS AND STANDS ARE CLEAR OF
_______ CONTROL SURFACES AND CONTROL COLUMNS BEFORE HYDRAULIC SYSTEMS ARE PRESSURIZED. CONTROL SURFACES CAN MOVE WHEN AN HYDRAULIC SYSTEM IS PRESSURIZED AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(c) Do not apply pressure to the left, right, and center hydraulic systems until MCDP message VFY HYD ON shows.
S 745-089
CAUTION: YOU MUST NOT ALLOW EQUIPMENT COOLING TO BE OFF FOR MORE THAN
_______ ONE MINUTE OR EQUIPMENT DAMAGE CAN OCCUR. DURING THIS TEST, RIGHT BUS POWER IS SWITCHED OFF WHICH CAUSES EQUIPMENT COOLING TO BE OFF. RIGHT BUS POWER WILL BE OFF LESS THAN 10 SECONDS FOR A SATISFACTORY TEST. IF THIS TEST DOES NOT OPERATE SATISFACTORILY, WAIT 5 MINUTES BEFORE THE TEST IS DONE AGAIN.
(18) Do MCDP Ground Test 40-AUTOLAND.
NOTE: The EICAS bottom display is supplied with power from the
____ right AC BUS. It will be temporarily without power during operation of the R BUS tie breaker (BTB) if APU or external power is used as airplane power. The remote MCDP switches will stay in operation but the display will operate only in the main equipment center. After the EICAS bottom display starts operation again, it is necessary to press the CONF/MDCP switch again.
(a) Make sure no failure messages show.
S 865-048
(19) Do the steps that follow to clear EICAS maintenance message(s) "STAB TRIM" and/or YAW DAMPER" if they show:
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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 自动飞行 AUTOFLIGHT 1(90)
