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71-00-58
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
CHECK T2 TEMPERATURE SENSOR
1. EXAMINE SENSOR ELEMENT (INSIDE INLET COWL AT 1:30 O'CLOCK POSITION LOOKING AFT) FOR DAMAGE OR
OBSTRUCTION.
2. OPEN LEFT FAN COWL PANEL (71-11-02 MP).
3. EXAMINE THE FOLLOWING:
A. SENSOR HOUSING FOR CRACKS, NICKS, DENTS, AND SCRATCHES.
B. MOUNTING FLANGES FOR CRACKS, BENDING, AND DISTORTION.
C.CAPILLARY TUBE FOR KINKS OR BREAKAGE.
D. FUEL TUBES FOR LEAKS.
4. REFER TO 73-21-09 I/C FOR SERVICEABLE LIMITS AND CORRECTIVE ACTION.
5. CLOSE LEFT FAN COWL PANEL (71-11-02 MP). T2 TEMPERATURE
SENSOR ELEMENT
SEE A
COWL INLET FWD
SEE B B HOUSING SENSOR
FLANGES MOUNTING TUBES FUEL
SENSOR ELEMENT T2 TEMPERATURE
CAPILLARY
TUBE
INLET COWL FAN CASE
A
T2 Temperature Sensor Check Figure 105
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71-00-58
ALL ú ú C01 Page 108 ú Jun 25/86
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
CHECK T12 TEMPERATURE SENSOR
1.EXAMINE SENSOR ELEMENT (INSIDE INLET COWL AT 10 O'CLOCK POSITION LOOKING AFT) FOR OBSTRUCTED INLET AND OUTLET AIR PASSAGES. CLEAR OBSTRUCTIONS AS REQUIRED.
2. EXAMINE SENSOR ELEMENT FOR DAMAGE. IF DAMAGE IS FOUND, REPLACE SENSOR (73-21-05).
SEE A
INLET COWL
SENSOR ELEMENT
INLET AIR PASSAGES
A
T12 Temperature Sensor Check Figure 106
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ALL ú ú C01 Page 109 ú Feb 25/85
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
STARTER AIR THERMAL ANTI-ICE PRESSURE REGULATING
DUCT (TAI) DUCT AND SHUTOFF VALVE (PRSOV)
HPT-LPT COOLING
AIR TUBE
HPT-LPT COOLING
9TH-STAGE AIR TUBE
DUCT
5TH-STAGE
DUCT
ENGINE PNEUMATIC DUCTING - LEFT SIDE
PRESSURE REGULATING
THERMAL AND SHUTOFF VALVE ANTI-ICE (TAI) (PRSOV) 5TH-STAGE
DUCTHPT-LPT DUCT
COOLING AIR TUBE
HPT SHROUD 9TH-STAGE
MANIFOLD
HPT-LPT DUCT
AIR TUBE HIGH STAGE
COOLING
BLEED AIR HPT CLEARANCE 9TH-STAGE
AIR TUBE
VALVE CONTROL VALVE BLEED AIR TUBE
ENGINE PNEUMATIC DUCTING - RIGHT SIDE
CHECK ENGINE PNEUMATIC DUCTING
1. OPEN FAN DUCT COWL AND THRUST REVERSER HALVES (78-31-00 MP)
2.EXAMINE PNEUMATIC DUCTING FOR LOOSE CONNECTIONS, CRACKS, AND/OR LOOSE COUPLINGS
3. CLOSE FAN DUCT COWL AND THRUST REVERSER HALVES (78-31-00 MP)
Engine Pneumatic Duct Check Figure 107
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71-00-58
ALL ú ú C01 Page 110 ú Feb 25/85
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
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