(a)
The engine becomes stable at the idle speed
(b)
The EICAS and CMCS maintenance messages.
B.
References
(1)
AMM 27-81-00/201, Leading Edge Flap System
(2)
AMM 45-10-00/201, Central Maintenance Computer System
(3)
AMM 71-00-00/201, Power Plant
(4)
FIM 71-EICAS MESSAGES
(5)
FIM 71-CMCS MESSAGE INDEX
C.
Access
(1)
Location Zones
221,222 Control Cabin
412 Engine 1
422 Engine 2
432 Engine 3
442 Engine 4
D.
Do the EEC Idle Test.
S 865-077-N00
(1) Make sure the EEC MAINT ENG (1,2,3, or 4) POWER switch on the P461 panel is in the NORM position.
S 865-142-N00
WARNING:_______USE AMM 71-00-00/201 TO OPERATE THE POWER PLANT. IF YOU DO NOT USE THIS PROCEDURE, YOU CAN CAUSE DAMAGE TO EQUIPMENT OR INJURY TO PERSONS.
(2)
Use the Power Plant Operation (Normal) procedure to start the engine (AMM 71-00-00/201).
(3)
Operate the engine at minimum idle for 5 minutes.
S 715-079-N00
NOTE: Do not do this step if the engine operated at the minimum
____ idle condition for 5 minutes during the engine start procedure.
S 865-226-N00
(4) Make sure the engine operates correctly.
(a)
Go to the PERFORMANCE page (AMM 45-10-00/201).
(b)
Make sure the N1, N2, EGT, and FF indications show on the EICAS display.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
71-00-00
ALL ú ú N04 Page 536 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
TEST NO. 6 - EEC IDLE TEST
__________________________
(c)
Go to the EPCS page (AMM 45-10-00/201).
(d)
Make sure these indications show on the EICAS display: TRA, SVA, BVA, N2C, T2, PS, P2, RP, and DOT.
(e)
Push the RCL and STAT switches on the P10 panel for the top and bottom EICAS display. 1) If there are EICAS messages on the top or bottom EICAS
display, correct the failures as it is necessary.
E. Do a Check for the Maintenance Messages.
S 815-076-N00
(1)
Do the necessary corrections for the EICAS messages shown that are related to the engine (FIM 71-EICAS Messages).
S 975-098-N00
(2)
Do a check of CMCS EXISTING FAULTS (AMM 45-10-00/201).
S 865-079-N00
(3)
Use the Power Plant Operation (Normal) procedure to do the engine shutdown (AMM 71-00-00/201).
S 815-099-N00
(4)
Do the necessary corrections for the CMCS messages found that are related to the engine (FIM 71-CMCS Message Index).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
71-00-00
ALL ú ú N04 Page 537 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
TEST NO. 7 - EEC STATIC TEST
____________________________
TASK 71-00-00-705-030-N00
9. Test No. 7 - EEC Static Test____________________________
A. General
(1)
This task does a check of the four items that follow:
(a)
The EEC mode select switch
(b)
The auto-throttle arm discrete
(c)
The thrust lever
(d)
The checks for the EICAS and CMCS maintenance messages.
(2)
When you do this task after the replacement of the component that follows, only do a check of the EICAS and CMCS maintenance messages:
(a) The EEC inlet total pressure/temperature (PT2/TT2) probe
B.
References
(1)
AMM 45-10-00/201, Central Maintenance Computer System
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址:747-400 AMM 飞机维护手册 动力装置 POWER PLANT 1(62)