(3-3.5 N.m).
(c)
ENGINES PRE-CFMI-SB 77-009; Install the clamp half, the bolt, and the nut that attach the harnesses to the engine bracket. 1) Tighten the nut to 30-35 pound-inches (3.5-4 N.m).
E. Put the Airplane Back to Its Usual Condition
S 414-115-C02
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU CLOSE THE
_______ THRUST REVERSER. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(1) Close the thrust reverser (AMM 78-31-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
9 PROBE EGT SYSTEM (RIGID MOUNT) ú 77-21-01
ú CONFIG 2 ú C01 Page 435 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 414-116-C02
(2) Close the fan cowl panel (AMM 71-11-02/201).
S 864-117-C02
(3) Do the activation procedure for the thrust reverser (AMM 78-31-00/201).
S 864-119-C02
(4) AIRPLANES WITHOUT EIS; For the applicable engine, remove DO-NOT-CLOSE tags and close these circuit breakers:
(a) P6 Overhead Circuit Breaker Panel 1) EGT IND ENG 1 2) EGT IND ENG 2
S 864-120-C02
(5) AIRPLANES WITH EIS; For the applicable engine, remove DO-NOT-CLOSE tags and close these circuit breakers:
(a) P6 Overhead Circuit Breaker Panel 1) EIS PRI 2 2) EIS PRI 4
S 714-067-C02
(6) Do the EGT indicating operational test (AMM 77-21-00/501).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
9 PROBE EGT SYSTEM (RIGID MOUNT) ú 77-21-01
ú CONFIG 2 ú C01 Page 436 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
EXHAUST GAS TEMPERATURE (EGT) THERMOCOUPLE HARNESS AND PROBES -
_______________________________________________________________ REMOVAL/INSTALLATION
____________________
1. General_______
A. This procedure contains 12 tasks, the removal and the installation of each of these parts of the EGT thermocouple harness and probes:
(1)
Forward EGT extension cable
(2)
Left EGT thermocouple harness and probes
(3)
Lower EGT extension harness
(4)
Lower EGT thermocouple harness and probes
(5)
Right EGT extension harness
(6)
Right EGT thermocouple harness and probes.
B. You can remove or install each part of the EGT thermocouple harness and probes by itself.
C. There is no recommended sequence of removal or installation if you must remove all the parts of the EGT thermocouple harness and probes.
TASK 77-21-01-004-003-C03
2. Forward EGT Extension Cable Removal___________________________________
A. Equipment
(1) Fork Wrench - AN8508-14, Snap-on Tools Company, 8049-28th St Kenosha, WI 53140
B. References
(1)
AMM 71-11-02/201, Fan Cowl Panels
(2)
AMM 78-31-00/201, Thrust Reverser System
C. Access
(1)
Location Zones
504 Left Engine - Left Side
604 Right Engine - Left Side
(2)
Access Panels
5738L Left Thrust Reverser - Left Engine
5838R Left Thrust Reverser - Right Engine
D. Prepare to Remove the Forward EGT Extension Cable
S 864-091-C03
(1) AIRPLANES WITHOUT EIS; For the applicable engine, open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) P6 Overhead Circuit Breaker Panel
1) EGT IND ENG 1
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
9 PROBE EGT SYSTEM (SOFT MOUNT) ú 77-21-01
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