2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
 No specific blanking plugs
 No specific circuit breaker(s) safety clip(s)
 No specific access platform 2 m (6 ft. 7 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
 External Power 25-54-12-000-001 Removal of the FWD Cargo Compartment Partition FR34 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the
 Yellow Electric Pump 21-63-18-991-001 Fig. 401

 3. Job Set-up
__________ Subtask 21-63-18-861-050
 A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002). Subtask 21-63-18-865-050
 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU AIR COND/ZONE TEMP CTL/28VDC/SYS2 4HK V20 122VU AIR COND/ZONE TEMP CTL/28VDC/SYS1 3HK V19 122VU AIR COND/ZONE TEMP CTL/115VAC/SYS2 2HK V18 122VU AIR COND/ZONE TEMP CTL/115VAC/SYS1 1HK V17
 Subtask 21-63-18-010-050
 C. Get Access
 (1)
 Open the FWD cargo-compartment door 825 (Ref. TASK 52-30-00-860-001).

 (2)
 Put the access platform in position at the FWD cargo-compartment door

 825.

 (3)
 Remove the access panel 131PW (Ref. TASK 25-54-12-000-001).

 4. Procedure
_________ (Ref. Fig. 401/TASK 21-63-18-991-001) Subtask 21-63-18-020-051
 A. Removal of the Duct-Overheat Temperature Sensor
 (1)
 Disconnect the electrical connector (2).

 (2)
 Put blanking caps on the disconnected electrical connectors.

 (3)
 Remove and discard the safety wire.

 (4)
 Remove the duct overheat-temperature sensor (1) and the O-ring (3) from the air supply duct (4).

 (5)
 Put blanking plugs on the disconnected line ends.

 Duct Overheat-Temperature Sensor
 Figure 401/TASK 21-63-18-991-001
 1EFF :  051-052,  1  21-63-18 Page 403 
1  1  May 01/05
 1  1
 1CES  1

 5. Close-up
________

 TASK 21-63-18-400-001 Installation of the Duct Overheat-Temperature Sensors 18HK, 19HK and 20HK WARNING : MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM
_______ FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE. HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 2 m (6 ft. 7 in.)
 No specific Torque Wrench : range 0.00 to 1.20 m.daN

 (0.00 to 9.00 lbf.ft)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 19-009  USA AMS 5687 LOCKWIRE STAINLESS STEEL ANNEALED 0.5MM DIA (Ref. 20-31-00)
 C. Expendable Parts
 -------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
O-ring  21-63-03 10 -040 D. Referenced Information

 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
21-63-00-710-004  Operational Test of the Cockpit and Cabin Temperature Control with CFDS/MCDU
 24-41-00-861-002  Energize the Aircraft Electrical Circuits from the External Power
 24-41-00-862-002  De-energize the Aircraft Electrical Circuits Supplied from the External Power
　
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