737-300 400 500 AMM 飞机维护手册 发动机指示 ENGINE INDICATIN(49)

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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
E. Remove the Right EGT Harness and Probes
 S 024-016-C03
 CAUTION: DO NOT BEND OR MAKE A KINK IN THE EGT HARNESSES AND PROBES.
_______ YOU CAN EASILY CAUSE DAMAGE TO THE EGT HARNESSES AND PROBES.
 (1)  Do these steps to disconnect the extension harness (Fig. 405):
 (a)  
Remove the bolt, the nut, and the loop clamp that attach the harness to the engine bracket at two locations.

 (b)  
Remove the bolt, the nut, and the loop clamp that attach the right harness and the right extension harness together and to the engine bracket.

 S 034-046-C03
 (2)  Do these steps to disconnect the connectors:
 (a)  
Disconnect the connector (on the right extension harness) from the right junction box with the fork wrench.

 (b)  
Disconnect the connector (on the right extension harness) from the left junction box with the fork wrench.

 (c)  
Put protective caps on the connectors and the receptacles.

 TASK 77-21-01-404-012-C03
 11. Right EGT Extension Harness Installation
________________________________________
 A. Equipment
 (1)  Fork Wrench - AN8508-14, Snap-on Tools Company, 8049-28th St Kenosha, WI 53140
 B. Consumable Materials
 (1)  D00601, Grease, (CP2101) graphite - GP460, Aeroshell 8
 C. References
 (1)  
AMM 71-11-02/201, Fan Cowl Panels

 (2)  
AMM 77-21-00/501, EGT Indicating System

 (3)  
AMM 78-31-00/201, Thrust Reverser System

 D. Access
 (1)  Location Zones
 504 Left Engine - Left Side
 505 Left Engine - Right Side
 604 Right Engine - Left Side
 605 Right Engine - Right Side

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 9 PROBE EGT SYSTEM (SOFT MOUNT) ú  77-21-01
 ú CONFIG 3 ú C07 Page 428 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE A
RIGHT EXTENSION HARNESS SEE B
RIGHT JUNCTION BOX
A
Right EGT Thermocouple Harness Extension Installation Figure 405 (Sheet 1)
MAIN JUNCTION BOX
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 9 PROBE EGT SYSTEM (SOFT MOUNT) ú 77-21-01
 ú CONFIG 3 ú C02 Page 429 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////

B

Right EGT Thermocouple Harness Extension Installation
Figure 405 (Sheet 2)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 9 PROBE EGT SYSTEM (SOFT MOUNT)  ú 77-21-01 ú CONFIG 3 ú C02 Page 430 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(2)  Access Panels
 5738L Left Thrust Reverser - Left Engine
 5739L Right Thrust Reverser - Left Engine
 5838R Left Thrust Reverser - Right Engine
 5839R Right Thrust Reverser - Right Engine

 E. Procedure
 S 434-183-C03
 (1)  Do these steps to attach the connectors (Fig. 405):
 (a)  
Remove protective caps from the connectors and the receptacles.

 (b)  
Connect the connector (on the right extension harness) to the left junction box.

 (c)  
Connect the connector (on the right extension harness) to the right junction box. 1) Tighten the two connectors with the fork wrench to

 170-190 pound-inches (19-21 N.m). 2) Install a lockwire or a safety cable on the two connectors.
　
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