S 434-040
(28)
Install the position transmitter cap if you removed it.
S 864-041
(29)
Remove the DO-NOT-CLOSE tag and close the OVERHEAT circuit breaker on the P6-4 panel.
S 864-042
(30)
Pressurize the pneumatic system (Ref 36-05-00/201).
S 864-043
(31)
Operate the applicable air conditioning pack (Ref 21-00-00/201).
(32)
Examine the duct clamps of the mix valve for leaks.
(33)
You must repair large leaks.
S 864-046
(34)
Remove the pneumatic pressure if it is not necessary (Ref 36-05-00/201).
(35)
Close the bay doors for the air conditioning equipment.
S 214-044
S 364-045
S 414-047
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A
737-300/400/500MAINTENANCE MANUAL
PASSENGER CABIN TEMPERATURE SENSOR - REMOVAL/INSTALLATION
_________________________________________________________
1. General_______
A. Two tasks are supplied in this procedure. The first task is the removal of the passenger cabin temperature sensor. The second task is the installation of the passenger cabin temperature sensor. The passenger cabin temperature sensor will be referred to as the temperature sensor.
TASK 21-61-31-004-001
2. Passenger Cabin Temperature Sensor Removal (Fig. 401)__________________________________________
A. References
(1) 24-22-00/201, Manual Control
B. Access
(1) Location Zone
107 Forward Half of Cabin
C. Procedure
S 864-002
(1)
Supply electrical power to the airplane (Ref 24-22-00/201).
S 864-044
(2)
Set these switches on the P5-10 air conditioning panel to the OFF position and attach DO-NOT-OPERATE identifiers:
(a)
L PACK
(b)
R PACK
(c)
RECIRC FAN
S 864-003
(3) Open this circuit breaker on the P6-4 panel, and attach a DO-NOT-CLOSE tag:
(a) 6A3, TEMP CONTROL AUTOMATIC R
S 024-011
(4) ON AIRPLANES WITH 18 INCH AISLES;
Do these steps to remove the temperature sensor:
(a)
Remove the electrical connector from the temperature sensor.
(b)
Remove the fasteners from the sensor flange.
(c)
Remove the temperature sensor from the sensor duct.
(d)
Remove the gasket from the sensor duct.
S 024-015
(5) ON AIRPLANES WITH 20 INCH AISLES;
Do these steps to remove the temperature sensor:
(a)
Remove the electrical connectors from these items: 1) Temperature Sensor 2) Temperature Bulb 3) Fan
(b)
Remove the forward screw which attaches the sensor duct to the stowage bin (access is through the inlet duct).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(c)
Remove the plug button which closes the access hole to the middle screw.
(d)
Remove the middle screw.
(e)
Remove the screw which attaches the loop clamp to the stowage bin.
(f)
Remove the sensor assembly from the bullnose.
(g)
Remove the fasteners from the sensor flange.
(h)
Remove the sensor.
(i)
Remove the gasket from the sensor duct.
TASK 21-61-31-404-017
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本文鏈接地址：737-300 400 500 AMM 飛機(jī)維護(hù)手冊(cè) 空調(diào) AIR CONDITIONING 2(151)
