NOTE: All nicks and scratches are serviceable after the
____ removal of high metal.
 (c)  Dents 1) There is no limit on the number of dents, if the damage
 will not cause an internal failure. 2) If the damage can cause a failure, replace the sensor.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-09
 ALL  ú ú C01 Page 601 ú Mar 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SENSOR HOUSING PB FITTING 
SEE  A  FLANGES MOUNTING  P7 FITTING 
CAPILLARY TUBE 
B
T2 TEMPERATURE SENSOR ELEMENT 
CAPILLARY TUBE 
T2 Temperature Sensor Installation Figure 601 A SEE B 

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-09
 ALL  ú ú C01 Page 602 ú Mar 15/89
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 216-004-C00
 (3) Examine the PB and P7 fittings for the conditions that follow:
 (a)  
Cross threading 1) If they are not serviceable, replace the sensor.

 (b)  
Damaged threads. 1) If they are not serviceable, replace the sensor.

 (c)  
Nicks, dents and scratches on the sealing surface. 1) If it is not serviceable, replace the sensor.

 S 216-005-C00
 (4) Examine the mounting flanges for the conditions that follow:
 (a)  
Cracks 1) If it is not serviceable, replace the sensor.

 (b)  
Bends or distortion 1) If it is not serviceable, replace the sensor.

 S 216-006-C00
 (5) Examine the capillary tube for the conditions that follow:
 (a)  Kinks or cracks. 1) If it is not serviceable, replace the sensor.
 S 416-007-C00
 (6)  Close the left fan cowl panel (AMM 71-11-02/201).
 TASK 73-21-09-706-008-C00
 3. Internal Failure Check of the T2 Temperature Sensor
___________________________________________________
 A. Equipment
 (1)  Tubing - Clean plastic, 1/2 inch inside diameter, approximately 12 inches (30 cm) long to fit the PB port on the T2 sensor housing.
 B. References
 (1)  
AMM 71-00-00/501, Power Plant

 (2)  
AMM 71-11-02/201, Fan Cowl Panels

 C. Access
 (1)  Location Zones 506 Engine No. 1 - left side of the fan case at the 10:30 o'clock position
 606  Engine No. 2 - left side of the fan case at the 10:30 o'clock position
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-09
 ALL  ú ú C01 Page 603 ú Mar 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(2)  Access Panels
 5746L Engine No. 1 - Left Fan Cowl Panel
 5846R Engine No. 2 - Left Fan Cowl Panel

 D. Procedure (Fig. 602)
 S 016-009-C00
 (1)  
Open the left fan cowl panel (AMM 71-11-02/201).

 S 036-010-C00

 (2)  
Disconnect the PB and the P7 fuel tubes from the sensor housing.

 NOTE: Use a cloth that absorbs to catch the fuel that is released.
____
 (a)  Move the tubes aft and to the fan case.
 S 436-011-C00
 (3)  Attach the tubing to the PB fitting on the sensor housing.
 S 726-012-C00
 WARNING: DO NOT PUT YOUR MOUTH DIRECTLY ON THE PB PORT WHEN YOU BLOW
_______
 INTO IT. USE TUBING. PROTECTION OF YOUR FACE AND CLOTHING
 FROM FUEL WHICH CAN BE BLOWN FROM THE P7 PORT IS NECESSARY.

 CAUTION:_______DO NOT USE A PRESSURE SOURCE OTHER THAN LUNG POWER. A PRESSURE HIGHER THAN LUNG POWER CAN SUPPLY, CAN CAUSE DAMAGE TO A GOOD SENSOR.
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：737-300 400 500 AMM 飛機維護手冊 發動機燃油和控制(137)