(2)
 Make sure the passenger/crew door is closed (Ref. TASK 52-10-00-410-001).

 (3)
 Remove the access platform(s).

 (4) Close Access
 **ON A/C 301-399,

 Subtask 52-73-00-410-052-A
 B. Close Access
 (1)
 Obey the special precautions after the work on the door or emergency exit (Ref. TASK 52-10-00-860-002) (Ref. TASK 52-22-00-860-004).

 (2)
 Make sure that the applicable passenger/crew door or emergency exit is closed (Ref. TASK 52-10-00-410-001) (Ref. TASK 52-22-00-410-002).

 (3)
 Remove the access platform(s).

 1EFF : ALL 1 52-73-00Page 528 1 1 Aug 01/05 1 1 1CES 1

R  **ON A/C ALL Subtask 52-73-00-862-053
 C. De-energize the ground service network (Ref. TASK 24-42-00-862-001).
 1EFF : ALL 1 52-73-00Page 529 1 1 May 01/04 1 1 1CES 1

 TASK 52-73-00-720-005 Functional Test of the Cabin Pressure Detection Pressure-Switch
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
52-73-12-000-001  Removal of the Cabin-Pressure Detection Pressure-Switch (14WN) 52-73-12-400-001 Installation of the Cabin Pressure Detection Pressure-Switch (14WN) CMM 212611
 3. Job Set-up
__________ Subtask 52-73-00-020-052
 A. Removal of Components
 (1) Remove the cabin-pressure detection pressure-switch (Ref. TASK 52-73-12-000-001).
 4. Procedure
_________ Subtask 52-73-00-720-052
 A. Fonctional Test
 (1) Do a functional test of the cabin-pressure detection pressure-switch (Ref. CMM 212611).
 1EFF : ALL 1 52-73-00Page 530 1 1 May 01/04 1 1 1CES 1

 5. Close-up
________ Subtask 52-73-00-420-052
 A. Removal of Components
 (1) Install the cabin-pressure detection pressure-switch (Ref. TASK 52-73-12-400-001).
 1EFF : ALL 1 52-73-00Page 531 1 1 May 01/04 1 1 1CES 1 1EFF : ALL 1 52-73-00Page 532 1 1 May 01/04 1 1 1CES 1

 TASK 52-73-00-710-004
 Operational Test of the Cabin Overpressure Warning System
 1. Reason for the Job__________________
 Self Explanatory
 2. Job Set-up Information______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific 98D52703000000  access platform 4.4 m (14 ft. 5 in.)1 CONNECTOR SHUNT
 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R R R R  24-42-00-861-001 24-42-00-862-001 52-10-00-010-001 52-10-00-410-001 52-10-00-860-001 52-10-00-860-002 52-22-00-010-002 52-22-00-410-002 52-22-00-860-003 52-22-00-860-004 52-73-12-000-001 52-73-12-400-001  Energize the Ground Service Network from the External PowerDe-energize the Ground Service Network Supplied from the External PowerOpening of the Passenger/Crew DoorClosing of the Passenger/Crew DoorSpecial Precautions before Work on the Passenger/Crew DoorSpecial Precautions after Work on the Passenger/Crew Door Opening of the Emergency Exit Doors from the Outside Closing of the Emergency Exit Doors from the Outside Special Precaution before Maintenance on the Door Damper and Emergency Operation Cylinder Special Precaution after Maintenance on the Door Damper and Emergency Operation CylinderRemoval of the Cabin-Pressure Detection Pressure-Switch (14WN)Installation of the Cabin Pressure Detection Pressure-Switch (14WN)

 3. Job Set-up
__________
 Subtask 52-73-00-861-054

 A. Energize the ground service network
 (Ref. TASK 24-42-00-861-001).

 Subtask 52-73-00-860-060
 B. Aircraft Maintenance Configuration
 (1) On the panel 115VU, make sure that the ENG MASTER 1 and MASTER 2 toggle switches are in the OFF position.
 Subtask 52-73-00-020-053
 C. Disconnection of Component
 (1) Disconnect the electrical connector of the cabin pressure detection pressure swith (14 WN) (Ref. TASK 52-73-12-000-001).
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 Subtask 52-73-00-010-055
 D. Get Access
　
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