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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FROM SHEET 2
(BLOCK 2)
NO
YES SEE SHEET 5
3 DEPRESSURIZE THE A (B)
(BLOCK 6)HYDRAULIC SYSTEM.
WAIT A MINIMUM OF 30 SECONDS.
DOES THE "REVERSER" LIGHT COME ON?
44 REPLACE THE CONTROL VALVE
MODULE FOR THE THRUST REVER-SER, M1173 (M1174)
(AMM 78-34-01/401).
IF THE PROBLEM CONTINUES, REPLACE THE HYDRAULIC FUSESTO THE THRUST REVERSER (AMM 78-34-07/401).
45 REPAIR THE OPEN CIRCUIT
FROM THE REVERSER CONTROL
VALVE MODULE, M1173 (M1174),
PLUG D3052 (D3056), PIN 2, TO
SPLICE SM100 (SM99)
(WDM 78-32-11,-21).
NO YES
5 DISCONNECT THE PLUG FROM
23 EXAMINE THE ADJUSTMENT OF
THE CONTROL STAND, CONNECTORTHE REVERSER ARM SWITCH, S824
D5148 (WDM 78-32-11,-21).(S826)(AMM 78-34-05/201).
IS THERE CONTINUITY IS THE ADJUSTMENT OK? BETWEEN THE RECEPTACLE, PINS 4
NO
AND 5 (1 AND 2)? 47 ADJUST THE SWITCH
YES (AMM 78-34-05/201).
YES
24 DO A CONTINUITY TEST 48 REPLACE THE ENGINE ACCES-FROM THE REVERSER CONTROL SORY UNIT, M528 (AMM 78-34-06/
VALVE MODULE, M1173 (M1174), 401).
PLUG D3052 (D3056), PIN 7, TO
THE ENGINE ACCESSORY UNIT,
M528, PLUG D1458A (D1458B),
PIN 24 (WDM 78-32-11,-21).
IS THERE CONTINUITY?
NO
Reverser Does Not Retract. REVERSER UNLOCKED Light Stays On When Reverse Thrust Cancelled. Figure 108 (Sheet 4)
C97131
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIX LIGHT EAU ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FROM SHEET 4
(BLOCK 3)
YES YES NO
6 DISCONNECT PLUG D3052
25 IS THERE CONTINUITY 50 REPAIR THE OPEN CIRCUIT
(D3056), FROM THE REVERSER BETWEEN PLUG D3052 (D3056), BETWEEN THE PLUG, PIN 6, AND
CONTROL VALVE MODULE, M1173 PIN 6, AND GROUND GROUND GD3044-DC (GD3042-DC)
(M1174)(WDM 78-32-11,-21). (WDM 78-32-11,-21)? (WDM 78-32-11,-21).
SWITCH, S825 (S827) (AMM 78-34-05/201).
Reverser Does Not Retract. REVERSER UNLOCKED Light Stays On When Reverse Thrust Cancelled. Figure 108 (Sheet 5)
C97132
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIX LIGHT EAU ú
71-00-50
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
PREREQUISITES
MAKE SURE THESE CIRCUIT BREAKERS ARE CLOSED: ENG 1 THR REV CONT SYS ENG 1 THR REV IND SYS ENG 2 THR REV CONT SYS ENG 2 THR REV IND SYS
MAKE SURE THE AIRPLANE IS IN THIS CONFIGURATION: ELECTRICAL POWER IS ON (AMM 24-22-00/201) HYDRAULIC POWER IS ON (AMM 29-15-00/201) ENGINE FIRE SWITCHES ARE PUSHED IN THRUST REVERSER SLEEVES ARE EXTENDED REVERSE THRUST LEVER IN THE REVERSE IDLE POSITION
REVERSER DOES NOT THRUST REVERSER DEACTIVATED FOR GROUND MAINTENANCE RETRACT. "REVERSER (AMM 78-31-00/201) UNLOCKED" LIGHT
_______BE CAREFUL WHEN YOU DO WORK NEAR THE THRUSTWARNING:
STAYS ON WHEN
REVERSER AND WHEN YOU OPERATE THE FLIGHT REVERSE THRUST
DECK CONTROLS. INJURY TO PERSONS OR DAMAGE CANCELLED. TO EQUIPMENT CAN OCCUR.
LEVER FULLY FORWARD AND DOWN. MENT SHORT TO GROUND
WAIT 30 SECONDS. (WDM 78-32-11,-21). DOES THE CIRCUIT BREAKER REPAIR THE PROBLEMS THAT "THR REV CONT SYS" OPEN?YOU FIND.
NO
YES
NO SEE SHEET 2
20 REMOVE THE ENGINE ACCES-
SORY UNIT, M528, FROM THE E3
RACK (WDM 78-32-11,-21).
IS THERE 28V DC BETWEEN PLUG D1458A (D1458B), PIN 21, AND GROUND?
YES
41 REPLACE THE ENGINE ACCES-SORY UNIT, M528 (AMM 78-34-06/ 401). 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(53)
