(8)
Remove the warning notices and the safety barriers.
TASK 05-53-00-780-001- 01
Test for Leakage in the Repair Area at a Differential Pressure of 280 mbar (4.06 psi) (with AIDS)
R R WARNING : MAKE SURE THAT:_______ - ONLY THE PERSONS NECESSARY FOR THE PRESSURIZATION TEST ARE IN THE AIRCRAFT DURING THE TEST. - THE PERSONS IN THE AIRCRAFT HAVE MEDICAL APPROVAL TO DO THIS TYPE OF TEST (REFER TO YOUR LOCAL REGULATION). BE CAREFUL WHEN YOU CONTROL THE PRESSURE. SUDDEN CHANGES IN PRESSURE CAN CAUSE PAIN AND INJURY.
WARNING : THERE MUST BE TWO PERSONS IN THE COCKPIT DURING THE PRESSURIZATION_______ TEST. IF A CHANGE IN PRESSURE HAS AN UNWANTED EFFECT (PAIN, NOISE IN THE EARS , HEADHACHE, OR OTHER) ON ONE PERSON, THE OTHER PERSON CAN ADJUST THE PRESSURE TO AVOID INJURY.
WARNING : DO NOT OPEN OR GO NEAR PRESSURE-SEALED DOORS WHEN THE AIRCRAFT IS_______ PRESSURIZED. A PRESSURE-SEALED DOOR THAT OPENS WHEN THE AIRCRAFT IS PRESSURIZED. - WILL CAUSE EXPLOSIVE DECOMPRESSION. - CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAUSE DAMAGE TO THE AIRCRAFT/EQUIPMENT.
WARNING : DO NOT OPEN THE DOORS WHILE THE RED WARNING LIGHT FLASHES. IF THE RED_______ WARNING LIGHT FLASHES, REMAINING PRESSURE COULD CAUSE THE DOOR TO OPEN SUDDENLY AND COULD : - KILL OR CAUSE SERIOUS INJURY TO PERSONS - CAUSE DAMAGE TO THE AIRCRAFT.
1. Reason for the Job__________________
To find possible leaks in the repair area after small structural repairs.
R R NOTE : The pressure test that follows is only necessary after the repair if____ the repair procedure in the SRM or in the repair instruction directly tells you to do it.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
R No specific circuit breaker(s) safety clip(s) No specific safety barriers No specific safety plug - ref MS21913-4 No specific safety streamer No specific warning notices No specific O-ring - ref NAS1612-4
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific leak-detection soap solution
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-33-21-618-001 Pre-conditioning through the HP Ground Connection 12-33-21-618-001 Pre-conditioning with the APU 23-44-00-700-001 Operational Test of the Service Interphone 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
R 31-36-00-740-008 Access to the Parameter Call-Up Menus 31-60-00-860-001 EIS Start Procedure 31-60-00-860-002 EIS Stop Procedure 34-10-00-860-002 ADIRS Start Procedure 34-10-00-860-005 ADIRS Stop Procedure
3. Job Set-up
__________
Subtask 05-53-00-865-070
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R **ON A/C 062-099, 106-149, 151-199, 201-299, 301-399, 401-499,
122VU DOORS/PAX/MONG 1MQ T13 **ON A/C ALL
Subtask 05-53-00-860-053
B. Aircraft configuration
(1)
Put the safety barriers and the warning notices in position to keep persons out of the work area.
(2)
Make sure that the static probe covers are not installed.
(3)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(4)
Make sure that the avionics equipment ventilation operates correctly. NOTE : If during this test, the avionics equipment ventilation stops,
____
you must stop the test.
(5)
In the avionics compartment:
(a)
Put the safety plug - ref MS21913-4 with its O-ring - ref NAS1612-4 on the air inlet of the pressure switch 16WR.
(b)
Put a safety streamer on the safety plug.
(6)
On the AIR COND panel 30VU:
-make sure that the PACK 1 and PACK 2 pushbutton switches are pushed (the FAULT legends are on).
(7)
On the CABIN PRESS section of the panel 25VU:
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