EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH EFIS ú
34-22-31
ú ú 01 Page 403 ú Jul 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
MOUNTING HINGED MOUNTING SCREW HINGED MOUNTING
SENSOR
EHSI EHSI
(FRONT VIEW) (SIDE VIEW)
AIR
COOLING SCREENS INLET
EHSI (REAR VIEW)
Electronic Horizontal Situation Indicator (EHSI)
Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH EFIS ú
34-22-31
ú ú 01 Page 404 ú Jul 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 864-024
(5) Close these circuit breakers and remove the DO-NOT-CLOSE tags:
(a)
P6 Circuit Breaker Panel
1) F/O EHSI
2) EFIS SYM GEN R
(b)
P18 Circuit Breaker Panel
1) CAPT EHSI
2) EFIS SYS GEN L
S 864-038
(6) Make sure these circuit breakers are closed:
(a)
P6 Circuit Breaker Panel
1) EFIS CONT PANEL R
2) LANDING GEAR AIR/GND RELAY & LIGHTS
(b)
P18 Circuit Breaker Panel
1) EFIS CONT PANEL L
2) FMCS CMPTR
3) CDU NO. 1
4) CDU NO. 2
5) MODE ANN (or FMCS BITE)
S 864-027
(7) Make sure the EFI transfer switch on the pilots' overhead panel, P5, is in the NORMAL position.
E. EHSI Test
S 744-028
(1)
Push the INIT/REF key on the FMCS CDU.
S 744-029
(2)
Push the line select key (LSK) 6L (<INDEX) on the FMCS CDU.
S 744-030
(3)
Push the LSK 6R (MAINT>).
(a) Make sure the FMCS CDU display shows the MAINT BITE INDEX 1/1 page.
S 744-031
(4)
Push the LSK 5L (<EFIS).
(a) Make sure the FMCS CDU display shows the EFIS BITE TEST page.
(5)
Push the LSK 3L (<SELF TEST).
S 864-033
(6)
Set the mode switch on the EFIS control panel to the PLAN position.
S 744-032
(a) Make sure the related EHSI display shows the PLAN mode test pattern.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH EFIS ú
34-22-31
ú ú 01 Page 405 ú Jul 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 864-034
(7) Set the mode switch on the EFIS control panel to the MAP position.
(a) Make sure the related EHSI display shows the MAP mode test pattern.
S 744-035
(8) Push the INIT REF key on the FMCS CDU to get out of the EFIS BITE.
F. Put the Airplane Back to Its Usual Condition
S 864-036
(1)
Remove equipment cooling if it is not necessary (AMM 21-58-02/501).
S 864-037
(2)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH EFIS ú
34-22-31
ú ú 01 Page 406 ú Jul 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
EFIS SYMBOL GENERATOR - MAINTENANCE PRACTICES
1. General
_______
A. This procedure contains this task:
中國航空網(wǎng) www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：737-300 400 500 AMM 飛機維護手冊 導(dǎo)航 NAVIGATION 1(142)
