D. Procedure
S 434-181-C03
(1) Do these steps to connect the connectors (Fig. 403):
(a)
Put protective caps on the connectors and the receptacles.
(b)
Connect the connector (on the lower extension harness) to the left junction box. 1) Tighten the connector with the fork wrench to
170-190 pound-inches (19-21 N.m).
(c)
Connect the connector (on the lower extension harness) to the lower junction box. 1) Tighten the connector with the fork wrench to
170-190 pound-inches (19-21 N.m).
(d)
Connect the connector (on the forward extension cable) to the main junction box. 1) Tighten the connector with the fork wrench to
170-190 pound-inches (19-21 N.m).
S 424-036-C03
(2) Do these steps to attach the extension harness:
(a)
Install the bolt and the clamp that attach the lower extension harness to the engine bracket at two locations. 1) Tighten the bolts to 50-55 pound-inches (5.5-6.5 N.m).
(b)
Install the bolt, the nut, and the clamp that attach the lower extension harness to the engine brackets at two locations. 1) Tighten the bolts and the nuts to 50-55 pound-inches
(5.5-6.5 N.m).
(c)
Install the two bolts and the two nuts that attach the main junction box to the engine flange. 1) Tighten the nuts to 100-110 pound-inches (11.5-12.5 N.m).
E. Put the Airplane Back to Its Usual Condition
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
9 PROBE EGT SYSTEM (SOFT MOUNT) ú 77-21-01 ú CONFIG 3 ú C05 Page 418 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 414-154-C03
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).
S 414-155-C03
(2)
Close the fan cowl panel (AMM 71-11-02/201).
S 864-156-C03
(3)
Do the activation procedure for the thrust reverser
(AMM 78-31-00/201).
S 864-172-C03
(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 864-173-C03
(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 714-095-C03
(6) Do the EGT indicating operational test (AMM 77-21-00/501).
TASK 77-21-01-004-009-C03
8. Lower EGT Thermocouple Harness and Probes 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
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 C05 Page 419 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
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