TEMPERATURE (`F)  RESISTANCE (OHMS) 
65  -2,540 2,710 
70  -2,280 2,410 
75  2,050-2,160 
80  1,840-1,930 
85  1,650-1,750 
90  1,470-1,590 
95  1,320-1,440 
100  1,180-1,310 
105  1,060-1,190 
110  964-1,090 
115  870-986 
120  787-901 
125  713-823 
130  646-754 
135  587-691 
140  534-634 
145  486-584 
150  443-537 
155  -445 453 
160  -409 417 

RESISTANCE TABLE

50
40
 30
20
 10
0
-40

TEMPERATURE (`F)
CONTROL CABIN TEMPERATURE SENSOR RESISTANCE VS TEMPERATURE GRAPH
Control Cabin Temperature Sensor - Temperature and Resistance Data Figure 601

RESISTANCE (KOHMS)

 E37019
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 21-61-61
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 (4)  S 976-004Measure the resistance from pin 23 to pin 24 on connector D454 for the temperature controller (WDM 21-61-01).
 (5)  S 976-005Find the temperature on Figure 601 that is nearest to the temperature that you wrote down.
 (6)  S 976-006Compare the permitted range of resistance for that temperature to the resistance you wrote down.
 (7)  S 026-007If the resistance is out of range, replace the sensor (AMM 21-61-61/401).
 (8)  S 416-008Install the temperature controller (AMM 21-61-81/401).

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A
737-300/400/500MAINTENANCE MANUAL
 CONTROL CABIN TEMPERATURE SENSOR FAN - REMOVAL/INSTALLATION
___________________________________________________________
 TASK 21-61-64-004-001
 1. Remove the Fan for the Temperature Sensor of the Control Cabin (Fig. 401)
______________________________________________________________
 A. Access
 (1)  Location Zone
 102 Control Cabin, Left

 B. Prepare for the Removal
 S 864-002
 (1)  Open this circuit breaker and attach a DO-NOT-CLOSE tag:
 (a)  P6-4 Panel
 1) TEMP CONTROL, AUTOMATIC, L

 S 014-003
 (2)  Remove the lining in the control cabin that is outboard and forward of the air inlet for the temperature sensor.
 C. Remove the Fan
 S 034-004
 (1)  
Remove the duct clamp and the flexible duct from the fan duct assembly.

 S 034-005

 (2)  
Remove the electrical connector of the fan assembly.

 S 034-006

 (3)  
Release the 1/4-turn fasteners and remove the fan assembly from the structure.

 (4)  
Remove the wires from the terminal block.

 S 034-007
 NOTE: Make sure you see and write the positions of the wires of
____ different colors before you remove them. This will help to make sure you can install the wires in the correct positions.
 S 034-008
 (5)  Loosen the fan/duct fasteners to remove the fan shoulder from the synclamps.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 TASK 21-61-64-404-022
 2.  Install the Fan for the Temperature Sensor of the Control Cabin (Fig. 401)_______________________________________________________________
 A. References
　
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