NOTE: Make sure the mating surfaces of the boss and the temperature
____
 sensor are clean.

 S 424-020
 (3)  
Install the sensor.

 S 424-021

 (4)  
Install the lockwire on the sensor.

 S 424-008

 (5)  
Install the electrical connector on the sensor.

 D. Put the Airplane Back to its Usual Condition
 S 414-013
 (1) Do this step if you installed the controller for the left pack:
 (a)  Close the left ECS bay access door.
 S 414-014
 (2) Do this step if you installed the controller for the right pack:
 (a)  Close the right ECS bay access door.
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A
737-300/400/500MAINTENANCE MANUAL
 RAM AIR INLET DEFLECTOR - REMOVAL/INSTALLATION
______________________________________________
 1.  General_______
 A.  When the airplane is on the ground, the inlet deflector is in the open position.
 B.  To replace the inlet deflector, the mechanism that operates the inlet deflector must stay in the open position.
 TASK 21-52-21-004-001
 2.  Remove the Ram Air Inlet Deflector__________________________________
 A.  Access
 (1)  Location Zones
 211 Left Ram Air Duct
 213 Right Ram Air Duct

 B.  Prepare to Remove the Inlet Deflector
 S 034-003
 (1)  
Remove the electrical plug from the ram air actuator.

 S 034-004

 (2)  
Loosen the three screws at the forward end of the inlet fairing (Fig. 401).

 NOTE: Do not remove the three screws.
____
 C.  Remove the Inlet Deflector
 S 024-005
 (1)  Do these steps to remove the inlet deflector:
 (a)  
Remove the five screws that attach the deflector hinge to the structure.

 (b)  
Move the deflector aft to disengage the deflector tracks from the rollers.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (c)  Remove the deflector from the airplane.
 TASK 21-52-21-404-006
 3.  Install The Ram Air Inlet Deflector___________________________________
 A. Access
 (1)  Location Zones
 211 Left Ram Air Duct
 213 Right Ram Air Duct

 B. Prepare to Install the Inlet Deflector
 S 214-007
 (1)  
Make sure the arms on the shaft assembly are extended with the deflector in the open position.

 S 214-008

 (2)  
Make sure the rollers on the arms turn freely.

 C. Install the Ram Air Inlet Deflector
 S 424-011
 (1)
Do these steps to install the inlet deflector (Fig. 401).

 (a)  
Put the deflector tracks on the rollers.

 (b)  
Put the deflector in the correct position with the hinge below the inlet fairing.

 (c)  
Install the five screws through the inlet fairing and the hinge.

 (d)  
Tighten the three screws at the forward end of the inlet fairing.

 (2)  
Install the electrical plug on the ram air actuator.

 S 434-013
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SEE A
INLET FAIRINGSCREW
DEFLECTOR
(3 PLACES) TRACK
SCREW
　
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