(2)
Ensure that all ADI, HSI, and flight instrument switching circuit breakers are closed.
(3)
Ensure that all VOR/ILS systems are turned on (Ref 34-31-00, Adjustment/Test).
(4)
Ensure that all low range radio altimeter systems are turned on (Ref 34-33-00, Adjustment/Test).
(5)
Ensure that all inertial navigation systems are operating correctly in the NAV mode and that INS warning flags do not appear on the related flight instruments (Ref 34-41-00, Adjustment/Test).
(6)
Ensure that all magnetic heading reference systems are operating correctly in the SLAVED mode and that compass warning flags do not appear on the related flight instruments (Ref 34-21-00, Adjustment/Test).
B. Position flight instrument switches as follows:
(1)
Both RADIO/INS switches to RADIO (VOR/ILS) position.
(2)
INS transfer switches so that captain operates from INS 1 and first officer operates from INS 2.
(3)
Compass transfer switches so that captain operates from MHRS 1 and first officer operates from MHRS 2.
(4)
Attitude transfer switches so that captain operates from INS 1 and first officer operates from INS 2. On all MD and AT airplanes, VOR/ILS transfer switches so that captain operates from VOR/ILS receiver 1 and first officer from VOR/ILS receiver 2.
C. Confirm that all systems, flight instrument switching, and flight instruments supplying information to the CIWS are functioning correctly. Check that both horizontal situation indicators display the same magnetic heading, both attitude director indicators display the same aircraft attitude, and INS and compass warning flags are out of view.
EFFECTIVITY
ALL 09 Page 101 Jul 25/7934-44-00
T35158
XA
system and perform specified test. shooting procedures appropriate to malfunctioning SYSTEM INPUTS INCORRECTLY - Refer to trouble systems are operating correctly. IF -Prepare system for trouble shooting as described in par. 2. Check that all input OK NOT OK
EFFECTIVITY AIRPLANES WITHOUT ATTITUDE COMPARATOR
799 Page 102 AURAL WARNING UNITS Aug 25/85
34-44-00
OK
CENTRAL INSTRUMENT WARNING SYSTEM OK.
T35164
EFFECTIVITYAIRPLANES WITHOUT ATTITUDE COMPARATOR
799 Page 103 AURAL WARNING UNITS Aug 25/85
34-44-00
T35169
EFFECTIVITY
AIRPLANES WITH
ATTITUDE COMPARATOR
799 Page 104
AURAL WARNING UNITSAug 25/8534-44-00
NOT OK
NOT OK
INST WARN LIGHTS AND AURAL WARNING DO NOT EXTINGUISH - Replace CIWS computer (34-44-01) and perform specified test. If still not OK, replace annunciator display (34-44-02) and perform specified test.
LIGHTS GO OFF BUT AURAL WARNING CONTINUES - Replace attitude comparator aural warning module (M1744 or M1745) and perform specified test.
RELEASE CAPTAIN'S CIWS TEST SWITCH - Check that all annunciator lights go out. IF -
LIGHTS MALFUNCTION - Replace computer (34-44-01)
NOT OK
and perform specified test. REPEAT PRECEEDING STEPS USING FIRST OFFICER'S CIWS TEST SWITCH. IF -FIRST OFFICER'S TEST FAILS - Replace first officer's
NOT OK
CIWS test switch.
CENTRAL INSTRUMENT WARNING SYSTEM OK.
T35173
EFFECTIVITY
AIRPLANES WITH
ATTITUDE COMPARATOR
799 Page 105
AURAL WARNING UNITSAug 25/85
34-44-00
CENTRAL INSTRUMENT WARNING SYSTEM - ADJUSTMENT/TEST
___________________________________________________
1. General
_______
A. Failure warning outputs from the CIWS computer will not occur when all subsystems monitored by the computer are operating within their prescribed limits. Because of this, all interfacing subsystems supplying data to the computer must be operating correctly or turned off prior to testing the CIWS. The CIWS adjustment/test consists only of an operational test.
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本文链接地址：747飞机维护手册AMM CHAPTER 34 - NAVIGATION 第34章导航4(29)
