(a)
Indicator inoperative 71-00-54 Fig. 102 Blk 21 (AIRPLANES WITHOUT EIS) Blk 1 (AIRPLANES WITH EIS)
(b)
At high speeds 71-00-54 Fig. 102 Blk 1
(c)
Blank LED display & pointer 71-00-54 Fig. 102 Blk 1 below zero
C.
EGT Indication Problem
(1)
High, low, or above normal 71-00-54 Fig. 103 Blk 2
fluctuations
(2)
No indication 71-00-54 Fig. 103 Blk 2
(3)
Pointer & digital readout 71-00-54 Fig. 103 Blk 22 differ (AIRPLANES WITHOUT EIS)
D.
AVM Indication Problem
(1)
One or both engines 71-00-54 Fig. 104 Blk 1
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71-00-54
ALL ú
ú C02 Page 102
ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
N1 INDICATING PROBLEM
PREREQUISITES
ENGINE OPERATION
N1 Indicating Problem
Figure 101 (Sheet 1)
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71-00-54
ú ú C02 Page 103 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
PREREQUISITES EIS 1,2,3,4 CB'S CLOSED
N1 INDICATING
ENGINE OPERATION
PROBLEM
1
CHECK PRIMARY ENGINE
DISPLAY.
IS DISPLAY ENTIRELY BLANK
BLANK?
NO YES YES
3 CHECK PRIMARY ENGINE 11 CONNECT ARINC 429 READER
DISPLAY AGAIN. TO D10146 EIS TEST CONNECTOR
DOES NUMERIC READOUT FOR AND RETRIEVE ALL EXCEEDENCE
N1 CONTAIN DASHES? DATA.
WAS N1 EXCEEDENCE DATA
NO
RECORDED?
NO
5 AT N1 SPEED SENSOR CONNEC-TOR (D546), CHECK RESISTANCE R
YESBETWEEN PINS 1 AND 2 AND INSU-LATION RESISTANCE RI BETWEEN FIRST PIN 1 (THEN PIN 2) AND NOSENSOR BODY.
IS R = 60 |10 OHMS AND RI > 100K OHMS?
N1 Indicating Problem
Figure 101 (Sheet 2)
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71-00-54
ú ú C02 Page 104 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
PREREQUISITESN2 INDICATION
ENGINE OPERATION
PROBLEM
NO
1
EXCHANGE N2 TACHOMETER
INDICATOR.
DOES ABNORMAL INDICATION REMAIN AT THE INITIAL LOCA-TION?
TOR (D552), DO A CHECK FOR SOR (AMM 73-21-08/401). CONTINUITY BETWEEN PINS 4 AND 5 AND INSULATION RESISTANCE BETWEEN FIRST PIN 4 (THEN PIN 5) AND SENSOR BODY.
IS CONTINUITY AND INSULA-TION RESISTANCE PRESENT?
ALTERNATOR SPEED SENSOR ALTERNATOR SPEED SENSOR
(AMM 73-21-08/601). (AMM 73-21-08/401).
IS THE SPEED SENSOR OK?
FOR THE N2 TACHOMETER SYSTEM AND CORRECT THE FAULTS (AMM 77-12-00/501).
N2 Indication Problem
Figure 102 (Sheet 1)
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71-00-54
ú ú C02 Page 105 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
PREREQUISITES EIS 1,2,3,4 CB'S CLOSED
N2 INDICATION
ENGINE OPERATION
PROBLEM
1
DO A CHECK OF THE PRIMARY 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 动力装置 POWER PLANT 2(72)
