R **ON A/C 106-149, 303-399, 401-499,
 (Ref. Fig. 401A/TASK 21-63-16-991-001-A)
 **ON A/C ALL

 Subtask 21-63-16-420-050
 A. Installation of the Temperature Sensor
 (1)
 Remove the blanking plugs from the disconnected line ends.

 (2)
 Clean the component interface and/or the adjacent area.

 (3)
 Make sure that the parts retained from the removed component are clean and in the correct condition.

 (4)
 Make sure that the O-ring (4) is in a good condition. If necessary replace the O-ring (4).

 (5)
 Put the O-ring (4) in position on the temperature sensor (1).

 (6)
 Install the temperature sensor (1) in the mixer unit (3).

 (7)
 TORQUE the temperature sensor (1) to between 0.5 and 1.0 m.daN (44.24 and 88.49 lbf.in) and safety with MISCELLANEOUS (Material No. 19-009).

 (8)
 Remove the blanking caps from the disconnected electrical connectors.

 (9)
 Make sure that the electrical connectors are clean and in the correct condition.

 (10)
 Connect the electrical connector (2).

 (11)
 Make sure that the work area is clean and clear of tool(s) and other items.

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 Subtask 21-63-16-865-052
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1HK, 2HK, 3HK, 4HK.

R **ON A/C 401-499,
 Subtask 21-63-16-865-052-A
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 49HH, 50HH, 51HH, 52HH, 53HH, 54HH, 55HH, 56HH.
 **ON A/C ALL
 Subtask 21-63-16-710-050
 C. Do the operational test of the cockpit and cabin temperature control system (Ref. TASK 21-63-00-710-004).
 5. Close-up
________
 Subtask 21-63-16-410-050

 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the access panel 131NW (Ref. TASK 25-54-12-400-001).

 (3)
 Remove the access platform(s).

 (4)
 Close the FWD cargo compartment door 825 (Ref. TASK 52-30-00-860-002).

 Subtask 21-63-16-862-050
 B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).

 SENSOR - CABIN TEMPERATURE (21HK,22HK,23HK) - REMOVAL/INSTALLATION
__________________________________________________________________
 TASK 21-63-17-000-001
 Removal of the Temperature Sensors (21HK, 22HK, 23HK)

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific  circuit breaker(s) safety clip(s)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002  Energize the Aircraft Electrical Circuits from the External Power
 **ON A/C 001-003, 051-052,
 21-63-17-991-001 Fig. 401
 **ON A/C 004-049, 053-099, 101-149, 201-299, 301-399,

 21-63-17-991-001-A Fig. 401A R **ON A/C 151-199, 401-499,
 21-63-17-991-001-B Fig. 401B FOR FIN 22HK, 23HK 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
 External Power
 25-23-41-000-001 Removal of the Ceiling Panels

 **ON A/C ALL
 3. Job Set-up
__________
 **ON A/C 001-003, 051-052,

 (Ref. Fig. 401/TASK 21-63-17-991-001)
 **ON A/C 004-049, 053-099, 101-149, 201-299, 301-399,

 (Ref. Fig. 401A/TASK 21-63-17-991-001-A) R **ON A/C 151-199, 401-499,
 (Ref. Fig. 401B/TASK 21-63-17-991-001-B)
 **ON A/C 001-003, 051-052,

 Subtask 21-63-17-861-050
 A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002). R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 Subtask 21-63-17-861-050-A
 A. Aircraft Maintenance Configuration
　
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