71-00-49
ALL ú
ú C01 Page 108
ú Mar 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
FROM SHEET 3
(BLOCK 11)
YES
NO
12 WITH THE CABLES DISCON-NECTED MOVE THE THRUST LEVER
SLOWLY. THE THRUST LEVER
MUST MOVE FREELY AND SMOOTHLY
THROUGH THE FULL RANGE OF
TRAVEL.
WAS THE LEVER MOVEMENT SMOOTH?
YES
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CFM56 ENGINES
/ / ////////////////////////
25 EXAMINE THE CONTROL STAND FOR SIGNS OF THRUST LEVER INTERFERENCE. IF YOU FIND WEAR OR OBSTRUCTIONS, ADJUST THE THRUST LEVERS (AMM 76-11-00/501).
NO
13 DO THE DETAILED-TEST OF THE TORQUE SWITCH:
____ IN THIS STEP YOU MEASURE THE FORCE, APPLIED ON THE THRUST
NOTE:
LEVER, THAT IS REQUIRED TO OPEN THE TORQUE SWITCH.
. MAKE SURE THE AUTOTHROTTLE AC/DC CIRCUIT BREAKERS ARE OPEN AND TAGGED
. INSTALL AN OHMMETER ON PINS 1 AND 2 ON TERMINAL BLOCKS T328 AND T329, INBOARD OF THE TORQUE SWITCH MECHANISM
. WITH NO FORCE APPLIED TO THE THRUST LEVER, MAKE SURE THE METER SHOWS THERE IS CONTINUITY, TORQUE SWITCH IS CLOSED
. MOVE THE THRUST REVERSER SLOWLY AND MAKE SURE THE METER SHOWS THERE IS NO CONTINUITY, TORQUE SWITCH IS OPEN
. USE A TENSION METER OR FISH SCALE AT THE FORWARD CONTROL LOOP TURNBUCKLES TO MEASURE THE FORCE
. SLOWLY APPLY FORCE TO THE THRUST LEVER AND OBSERVE THE OHMMETER TO SHOW OPEN CIRCUIT. THE TENSION METER MUST INDICATE BETWEEN
6.8 AND 8.2 POUNDS (30,2 N AND 36,5 N) WHEN THE OHMMETER OPENS . RELEASE THE FORCE FROM THE THRUST LEVER AND THE OHMMETER MUST INDICATE THERE IS CONTINUITY
. DO THIS TEST SEVERAL TIMES ON "BOTH" CABLES FOR THE SAME TORQUE SWITCH
-IS THE FORCE REQUIRED TO OPEN THE TORQUE SWITCH WITHIN THE LIMIT?
YES
14 REPLACE THE THRUST LEVER ASSEMBLY (AMM 76-11-01/401). MAKE SURE THE AUTOTHROTTLE OPERATES CORRECTLY AFTER YOU REPLACE THE THRUST LEVER ASSEMBLY.
Thrust Lever Does Not Move During Autothrottle Operation
Figure 104 (Sheet 4)
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71-00-49
ALL ú ú C01 Page 109 ú Mar 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
G40029
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
POWER PLANT - TROUBLE SHOOTING (THRUST REVERSER)
________________________________________________
1. Trouble Symptom Listing_______________________
Trouble Symptom_______________ Reverser Does Not Extend. REVERSER UNLOCKED Light Does Not Come On. Reverser Interlock Does Not Release. Begin Trouble Shooting______________________Fig. 101 Block 1
Reverser Does Not Extend. REVERSER UNLOCKED Light Does Not Come On. Reverser Interlock Does Not Release. Fig. 102 Block 1
Reverser Does Not Extend. REVERSER UNLOCKED Light Does Not Come On. Reverser Interlock Does Not Release. Fig. 103 Block 1
Reverser Does Not Extend. REVERSER UNLOCKED Light Does Not Come On. Reverser Interlock Does Not Release. Fig. 104 Block 1
Reverser Does Not Extend. REVERSER UNLOCKED Light Does Not Come On. Reverser Interlock Does Not Release. Fig. 105 Block 1
Trouble Symptom_______________ Reverser Does Not Retract. REVERSER UNLOCKED Light Stays On When Reverse Thrust Is Cancelled. Begin Trouble Shooting______________________Fig. 106 Block 1
Reverser Does Not Retract. REVERSER UNLOCKED Light Stays On When Reverse Thrust Is Cancelled. Fig. 107 Block 1
Reverser Does Not Retract. REVERSER UNLOCKED Light Stays On When Reverse Thrust Is Cancelled. Fig. 108 Block 1
Reverser Does Not Retract. REVERSER UNLOCKED Light Stays On When Reverse Thrust Is Cancelled. Fig. 109 Block 1
Reverser Does Not Retract. REVERSER UNLOCKED Light Stays On When Reverse Thrust Is Cancelled. Fig. 110 Block 1
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(36)
