S 034-003
(3)
Remove the overhead ceiling panels to get access to the overhead distribution manifold (Ref 25-21-45/401).
D. Remove the Sensor
S 034-004
(1)
Disconnect the electrical connector from the duct temperature sensor.
(2)
Remove the screws that attach the temperature sensor to the duct.
(3)
Remove the temperature sensor.
S 034-005
S 024-006
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A
737-300/400/500MAINTENANCE MANUAL
TASK 21-61-41-404-007
3. Install the Duct Temperature Sensor (Fig. 401)___________________________________
A. References
(1)
25-21-45/401, Sculptured Ceiling Panels
(2)
21-61-00/501 Temperature Control System
B. Access
(1) Location Zones
107 Forward Half of Cabin
210 Air Conditioning Distribution Bay
C. Procedure
S 424-008
(1)
Put the sensor on the duct and install the screws.
S 434-009
(2)
Connect the electrical connector to the duct temperature sensor.
S 864-010
(3)
Remove the DO-NOT-CLOSE tag and close the TEMP CONTROL AUTOMATIC circuit breaker on the P6 panel.
S 714-011
(4)
Do the operational test for the temperature control system (Ref 21-61-00/501).
D. Put the Airplane Back to Its Usual Condition
S 414-012
(1)
Install the center panel to the aft bulkhead in the forward cargo compartment.
(2)
Install the overhead ceiling panel (Ref 25-21-45/401).
S 414-013
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A
737-300/400/500
MAINTENANCE MANUAL
OVERHEAD
OVERHEAD DISTRIBUTION
DISTRIBUTION DUCT
DUCT SEE A
SEE A
MAIN MAIN DISTRIBUTION DISTRIBUTION MANIFOLD MANIFOLD
SEEC SEEC
AIRPLANES WITH OVAL AIRPLANES WITH ROUND OVERHEAD DISTRIBUTION DUCT OVERHEAD DISTRIBUTION DUCT
DUCT LIMITDUCT SENSOR
ANTICIPATOR SENSOR SEE B SEE B
DUCT
ANTICIPATOR
DUCT LIMIT SENSOR
SENSOR FWD SEE B DISTRIBUTION
SEE B DUCTS
FWD
OVERHEAD DISTRIBUTION DUCT OVERHEAD DISTRIBUTION DUCT A1 A2
SCREW (3 LOCATIONS)
SENSOR ELECTRICAL CONECTOR
1
AIRPLANES WITH OVAL OVERHEAD DISTRIBUTION DUCT B2
AIRPLANES WITH ROUND OVERHEAD DISTRIBUTION DUCT
Duct Temperature Sensor Installation Figure 401 (Sheet 1)
E85077
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A 737-300/400/500MAINTENANCE MANUAL
Duct Temperature Sensor Installation
Figure 401 (Sheet 2)
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737-300/400/500MAINTENANCE MANUAL
DUCT TEMPERATURE SENSORS - INSPECT/CHECK
________________________________________
1. General_______
A. There is one task in this procedure which is the duct temperature sensor check.
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