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 SENSOR - CADENSICON (19QT1,19QT2,20QT) - REMOVAL/INSTALLATION
_____________________________________________________________
 TASK 28-42-16-000-001
 Removal of the Cadensicon 19QT1 (19QT2)
 WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
 -
THE FLIGHT CONTROLS

 -
THE FLIGHT CONTROL SURFACES

 -
THE LANDING GEAR AND THE RELATED DOORS

 -COMPONENTS THAT MOVE.
 WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
 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 circuit breaker(s) safety clip(s)
 No specific safety barriers
 No specific access platform 4.0 m (13 ft. 1 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
28-10-00-910-001 Safety Procedures When You Do Work in a Fuel Tank 28-10-00-910-002 Access to the Fuel Tanks and the Work Areas 28-25-00-650-001 Pressure Defuel 28-25-00-650-003 To Drain Remaining Fuel from the Wing Tanks and the
 Center Tank
 57-27-11-000-001  Removal of the Access Panel (540AB, 540BB, 540CB, 540DB, 540EB, 540FB, 540GB, 640AB, 640BB, 640CB, 640DB, 640EB, 640FB, 640GB)
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-42-16Page 401 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------

**ON A/C 001-001, 051-052,
 28-42-16-991-001 Fig. 401
R  **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499, Post SB 28-1077 For A/C 001-001,051-052, 28-42-16-991-001-A Fig. 401A
R  **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 3. Job Set-up
__________
 Subtask 28-42-16-941-054

 A. Safety Precautions WARNING : OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK.
_______
 (1) You must obey the fuel safety procedures (Ref. TASK 28-10-00-910-001) when you do work in a fuel tank.
 (2) Put the safety barriers in position.
 Subtask 28-42-16-650-052

 B. Fuel Configuration
 (1)
 Defuel the applicable fuel tank (Ref. TASK 28-25-00-650-001).

 (2)
 Drain the remaining fuel from the applicable fuel tank (Ref. TASK 28-25-00-650-003).

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 C. Get Access
 (1)
 Put the access platform in position below the applicable access panel 540AB, 640AB.

 (2)
 Remove the applicable wing access panel (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-27-11-000-001):

 -
FOR 19QT1
 remove 540AB

 -
FOR 19QT2
 remove 640AB.

 Subtask 28-42-16-865-050
 D. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FUEL/FQI/CHAN/1 1QT A13 121VU FUEL/FQI/CHANNEL/1 AND 2 8QT L26 121VU FUEL/RFL/DFL/SPLY 2QU L24 121VU FUEL/RFL/DFL/XFR/DEFUEL/VALVE 1QU L23 121VU FUEL/FQI/CHAN/2 2QT M27
 4. Procedure
_________
 **ON A/C 001-001, 051-052,
 (Ref. Fig. 401/TASK 28-42-16-991-001)
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 Post SB 28-1077 For A/C 001-001,051-052,
 (Ref. Fig. 401A/TASK 28-42-16-991-001-A)
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 Cadensicon 19QT1(19QT2)
 Figure 401/TASK 28-42-16-991-001

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 Cadensicon 19QT1(19QT2) Figure 401A/TASK 28-42-16-991-001-A
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