(5)
 Examine the total pressure transducer (2) for air leaks.
 NOTE : No leaks are permitted.

____

 (6)
 Stop the APU. (Ref. TASK 49-00-00-860-009)

 5. Close-up
________ Subtask 49-51-17-410-052
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Set the LIGHT control SW 11LJ to the OFF position.

 (3)
 Close the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-410-001).

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-51-17Page 408 201-210, Config-2 Aug 01/05
 CES

 (4)
 Remove the access platform(s). Subtask 49-51-17-860-055

 B.
 Aircraft Maintenance Configuration

 (1)
 Pressurize the reservoirs of the hydraulic systems. (Ref. TASK 29-14-00-614-002).

 (2)
 De-energize the ground service network
 (Ref. TASK 24-42-00-862-001).

 (3)
 Remove the warning notice(s).

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-51-17Page 409 201-210, Config-2 Aug 01/05
 CES

 TRANSDUCER - COMPRESSOR INLET PRESSURE - REMOVAL/INSTALLATION
_____________________________________________________________ R **ON A/C 001-003, 051-099, 401-499,
 TASK 49-51-18-000-001 Removal of the Compressor Inlet-Pressure Sensor (GTCP 36-300) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______
 WHEN YOU DO THE MAINTENANCE TASK(S).

 1.
 Reason for the Job

__________________
 Self Explanatory

 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 2.5 m (8 ft. 2 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
 Configuration before Maintenance Action
 52-41-00-010-001 Open the APU Doors for Access
 49-51-18-991-001 Fig. 401

 3. Job Set-up
__________ Subtask 49-51-18-860-050
 A. Aircraft Maintenance Configuration
 (1)
 Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002).

 (2)
 On the panel 25VU, make sure that the APU MASTER SW pushbutton switch is off.

 (3)
 Put a warning notice in the cockpit to tell persons not to start the APU.

 (4)
 Make sure that hydraulic systems are depressurized
 (Ref. TASK 29-00-00-864-001).

 Subtask 49-51-18-865-050
 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
 Subtask 49-51-18-010-050
 C. Get Access
 (1)
 Put the access platform in position below the APU access doors 315AL and 316AR.

 (2)
 Open the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-010-001).

 (3)
 Set the LIGHT control switch 11LJ to the on position.

 4. Procedure
_________
 (Ref. Fig. 401/TASK 49-51-18-991-001) Subtask 49-51-18-020-050
 A. Removal of the Inlet Pressure Sensor.
 (1)
 Disconnect the electrical connector (1) from the pressure sensor (2).

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

 (3)
 Remove the pressure line (3) from the pressure sensor (2).

 (4)
 Remove the bolts (4) and the washers (5) from the pressure sensor (2).

 (5)
 Remove the pressure sensor (2) from the APU.

 (6)
 Put blanking plugs on the disconnected line ends.

 Pressure Sensor Figure 401/TASK 49-51-18-991-001 
　
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