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 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 18HH 122VU AIR COND/PACK TEMP/CTL SYS1/1/115VAC 1HH X22 122VU AIR COND/PACK TEMP/CTL SYS1/1/28VDC 3HH X21 122VU AIR COND/PACK TEMP CTL SYS2/1/28VDC 4HH Y19 122VU AIR COND/PACK TEMP CTL SYS2/1/115VAC 2HH Y18 FOR 38HH 122VU AIR COND/PACK TEMP/CTL SYS1/2/115VAC 21HH W22 122VU AIR COND/PACK TEMP/CTL SYS1/2/28VDC 23HH W21 122VU AIR COND/PACK TEMP CTL SYS2/2/28VDC 24HH Y21 122VU AIR COND/PACK TEMP CTL SYS2/2/115VAC 22HH Y20
 Subtask 21-61-17-010-050
 C. Get Access
 (1) Remove the access panel (Ref. TASK 53-35-13-000-002): 
R  (a) FOR 18HH 191KB, 
R  (b) FOR 38HH 192KB. 

R 1EFF : 001-003, 051-054, 1 21-61-17Page 402 1 1 May 01/05 1 1 1CES 1

R  4. Procedure_________ **ON A/C 001-003,
R  (Ref. Fig. 401/TASK 21-61-17-991-001) **ON A/C 051-054, 
R R  (Ref. Fig. 401A/TASK 21-61-17-991-001-A) **ON A/C 001-003, 051-054,
 Subtask 21-61-17-020-050
 A. Removal of the Bleed-Air Temperature Sensor (1) Disconnect the electrical connector (1). (2) Put blanking caps on the disconnected electrical connectors. (3) Remove and discard the lockwire and remove the bleed air temperature-sensor (2) and the O-ring (3). 

R 1EFF : 001-003, 051-054, 1 21-61-17Page 403 1 1 May 01/05 1 1 1CES 1

 Bleed Air Sensor
 Figure 401/TASK 21-61-17-991-001
 1EFF :  001-003,  1  21-61-17 Page 404 
1  1  May 01/05
 1R 1 
1CES  1

 

R  Bleed Air Sensor 
R  Figure 401A/TASK 21-61-17-991-001-A 
R 1EFF :  051-054,  1  21-61-17 Page 405 
1  1  May 01/05
 1  1
 1CES  1

 

 TASK 21-61-17-400-001 Installation of the Bleed Air Temperature Sensor 18HH (38HH) 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
 -------------------------------------------------------------------------------
R No specific Torque Wrench : range 0.00 to 1.20 m.daN
R (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  21-61-03 04 -020
R 1EFF : 001-003, 051-054, 1 21-61-17Page 406 1 1 May 01/05 1 1 1CES 1

 D. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
21-61-00-710-001 24-41-00-861-002 24-41-00-862-002 53-35-13-000-002 53-35-13-400-002  Operational Test of the Pack Temperature-Control SystemEnergize the Aircraft Electrical Circuits from the External PowerDe-energize the Aircraft Electrical Circuits Supplied from the External PowerRemoval of the Quick-Release Access Panels from the Belly Fairing StructureInstallation of the Quick-Release Access Panels on the Belly Fairing Structure 
R  **ON A/C 001-003,
 21-61-17-991-001  Fig. 401 
R  **ON A/C 051-054, 
R  21-61-17-991-001-A  Fig. 401A 
R  **ON A/C 001-003, 051-054,
 3. Job Set-up__________
 Subtask 21-61-17-860-050
 A. Aircraft Maintenance Configuration
 (1) Make sure that:
 (a) The aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002),
 (b) The access panel is removed (Ref. TASK 53-35-13-000-002): 
R  1_ FOR 18HH 191KB, 
　
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