71-00-42
ALL ú
ú C02 Page 120
ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FROM SHEET 1(BLOCK 13)
NO
NO
14 DO THIS PROCEDURE: "MEC" FUEL SHUTOFF LEVER POSITION
CHECK (AMM 71-00-59/101,
FIG. 114).
IS THE FUEL SHUTOFF LEVER POSITION WITHIN LIMITS?
YES
Flameout with Normal Operation After Restart
Figure 109 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
71-00-42
ALL ú
ú C02 Page 121
ú Nov 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FLAMEOUT WITH PREREQUISITES UNSUCCESSFUL RESTART 28V DC ELECTRICAL POWER DUE TO LOW/NO FUEL FLOW
YES
1
EXAMINE THE MAGNETIC CHIP
DETECTORS (AMM 79-00-00/601).
ARE INDICATIONS OF INTER-NAL ENGINE/GEARBOX FAILURE FOUND?
REPLACE THE BYPASS VALVE (AMM 28-22-61/401).
CLEAN/REPAIR/REPLACE THE CDP TUBE AS NECESSARY.
DO THE CORRECTIVE ACTION (AMM 71-00-59/101, FIG. 103). 101, FIG. 103). IS CONTAMINATION OR BLOCKAGE FOUND?
NO SEE SHEET 2
(BLOCK 6)
Flameout with Unsuccessful Restart due to Low/No Fuel Flow
Figure 110 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
71-00-42
ALL ú
ú C02 Page 122
ú Nov 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FROM SHEET 1
(BLOCK 5)
NO NO
6
LOOK TO SEE IF THE FUEL
53 REPLACE THE FUEL PUMP PUMP IMPELLER TURNS (AMM 73-11-01/401). (AMM 71-00-59/101, FIG. 102).
DOES THE IMPELLER TURN?
YESNO7
MANUALLY TURN THE N2 ROTOR
55 REPLACE THE ENGINE
(AMM 72-00-00/201).(AMM 71-00-02/401).
REMOVE A BORESCOPE PLUG (S6 THRU S8) AND OBSERVE IF THE N2 ROTOR BLADES TURN (AMM 72-00-00/601).
DOES THE N2 ROTOR TURN NORMALLY?
ARE LEAKS FOUND? NO
SEE SHEET 3 (BLOCK 15)
Flameout with Unsuccessful Restart due to Low/No Fuel Flow
Figure 110 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
71-00-42
ALL ú
ú C02 Page 123
ú Mar 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FROM SHEET 2 (BLOCK 13)
NO
NO
15 DO THIS PROCEDURE: "MEC"FUEL SHUTOFF LEVER POSITION
CHECK (AMM 71-00-59/101,
FIG. 114).
IS THE FUEL SHUTOFF LEVER POSITION WITHIN LIMITS?
YES
NO
17 REMOVE THE MEC
65 REPLACE THE FUEL PUMP
(AMM 73-21-01/401).
WITH THE MEC REMOVED, TURN THE N2 ROTOR(AMM 72-00-00/201) AND MAKE SURE THE FUEL PUMP OUTPUT SHAFT (MEC DRIVE SHAFT) TURNS NORMALLY IN BOTH DIRECTIONS.
DOES THE SHAFT TURN NORMALLY?
YES
(AMM 73-11-01/401).
NO
19 REMOVE THE FUEL PUMP
(AMM 73-11-01/401) AND
MANUALLY TURN N2 ROTOR
(AMM 72-00-00/201).
DOES GEARBOX DRIVE SHAFT TO FUEL PUMP TURN NORMALLY IN THE TWO DIRECTIONS?
(AMM 73-11-01/401).
LOOK TO SEE IF THE MEC INPUT SHAFT CAN BE TURNED BYHAND WITHOUT BINDING OR UNUSUAL NOISES. IF NOT, REPLACE THE MEC (AMM 73-21-01/ 401).
Flameout with Unsuccessful Restart due to Low/No Fuel Flow
Figure 110 (Sheet 3)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 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(13)
