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.
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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
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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
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(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 发动机燃油和控制(137)
