EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITHOUT EFIS ú
34-62-00
ú ú 04 Page 508 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(i) Make sure the Greenwich Mean Time (GMT) on each CDU agrees with the GMT on the Captain's clock.
G. IRS Heading in Attitude Mode
S 715-049
(1)
Do the preparation test in this task: "Operational Test - FMCS" if it is necessary.
S 865-223
(2)
Push the INIT REF key on the CDU panel to show the POS INIT 1/2 (or 1/3) page.
S 865-222
(3)
Put the mode select switches on the IRS to the ATT position.
NOTE: You can find the mode select switches on the IRS Mode Select
____
Unit (MSU) on the aft overhead panel (P5).
S 865-221
(4)
Make sure that SET IRS HDG is shown on the POS INIT 1/2 (or 1/3) page on each CDU display.
S 865-220
(5)
Use the CDU keyboard to put a heading of eleven degrees into the CDU scratch pad.
S 285-219
(6)
Push LSK 5R and make sure a heading of eleven degrees is shown adjacent to LSK 5R on each CDU display.
S 285-218
(7)
Put the mode select switches on the IRS to the OFF position.
S 285-217
(8)
Make sure the MSU ALIGN lights go off.
H. IRS Initialization
S 285-057
(1) Align the IRS (AMM 34-28-00/201).
I. Sensor Status
S 715-077
(1)
Do the preparation test in this task: "Operational Test - FMCS" if it is necessary.
(2)
Align the IRS (AMM 34-28-00/201) if it is necessary.
S 285-078
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITHOUT EFIS ú
34-62-00
ú ú 02 Page 509 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
S 285-224
(3) Do these steps to examine the sensor status:
(a)
Push the INIT REF key on the CDU panel to show the POS INIT page or PERF INIT page.
(b)
Push the LSK adjacent to <INDEX to show the INIT REF INDEX 1/1 page.
(c)
Push the LSK adjacent to MAINT> to show the MAINT BITE INDEX 1/1 page.
(d)
Push the LSK adjacent to <FMCS to show the FMCS BITE 1/1 page.
(e)
Push the LSK adjacent to <SENSORS to show the FMCS SENSOR STATUS 1/1 page.
(f)
Make sure the outputs on the FMCS SENSOR STATUS 1/1 page are the same as the sensor outputs shown below: ~............................................................ | LRU | LEFT | RIGHT | .............................................................. | VHF NAV *[1] | OK | OK | .............................................................. | DME *[1] | OK | OK | .............................................................. | ADC | OK | OK | .............................................................. | IRS | OK | OK | .............................................................. | DFCS | OK | ___ | .............................................................. | DAA | OK | OK | .............................................................. | FUEL SUM | OK | ___ | .............................................................. | CLOCK | OK | ---| 2.............................…...............…..............1 *[1] An alternative for VHF NAV and DME outputs are NCD
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址:737-300 400 500 AMM 飞机维护手册 导航 NAVIGATION 5(16)