Removal of the Center (Transfer) Tank Fuel-Quantity Probe (35QT, 36QT, 37QT, 38QT, 51QT)
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
__________________
R R 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 warning notice
No specific access platform 2.5 m (8 ft. 2 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
32-12-00-010-001 Open the Main Gear Doors for Access
57-17-11-000-001 Removal of the Covers 147AZ (148AZ)
28-42-15-991-008 Fig. 408
1EFF : 301-399, 1 28-42-15Page 443 1 1 Aug 01/04 1 1 1CES 1 1EFF : 301-399, 1 28-42-15Page 444 1 1 May 01/04 1 1 1CES 1 1EFF : 301-399, 1 28-42-15Page 445 1 1 May 01/04 1 1 1CES 1R Center (Transfer) Tank Probes - Location and Detail R Figure 408/TASK 28-42-15-991-008
R 3. Job Set-up__________
R Subtask 28-42-15-941-062
R A. Safety Precautions
R WARNING : OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK._______
R (1) You must obey the fuel safety procedures (Ref. TASK 28-10-00-910-001)
R when you do work in a fuel tank.
R (2) Put the safety barriers in position.
R (3) Put a warning notice in position to tell persons not to operate the
R MLG doors.
R Subtask 28-42-15-650-055
R B. Aircraft Maintenance Configuration
R (1) Defuel the applicable fuel tank (Ref. TASK 28-25-00-650-001).
R (2) Drain the remaining fuel from the applicable fuel tank (Ref. TASK 28-
R 25-00-650-003).
R Subtask 28-42-15-865-059
R C. Open, safety and tag this(these) circuit breaker(s):
R -------------------------------------------------------------------------------
R PANEL DESIGNATION IDENT. LOCATION
R -------------------------------------------------------------------------------
R 49VU FUEL/FQI/CHAN/1 1QT A13
R 121VU FUEL/FQI/CHANNEL/1 AND 2 8QT L26
R 121VU FUEL/FQI/CHAN/2 2QT M27
R Subtask 28-42-15-010-057
R D. Get Access
R WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR DOORS ARE_______
R CLEAR.
R (1) Open the applicable MLG door(s) (Ref. TASK 32-12-00-010-001).
R (2) Make sure that the GROUND LOCK SLEEVE is installed on the applicable
R MLG door actuator(s).
R (3) Put the access platform in position below the applicable access panel
R 147AZ (148AZ).
R (4) Remove the applicable access panel 147AZ (148AZ) (Ref. TASK 28-10-00-
R 910-002), (Ref. TASK 57-17-11-000-001).
R 4. Procedure_________
R (Ref. Fig. 408/TASK 28-42-15-991-008)
R Subtask 28-42-15-020-059
R A. Removal of the Center (Transfer) Tank Fuel-Quantity Probe
R (Ref. Fig. 408/TASK 28-42-15-991-008)
R CAUTION : MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU_______
R DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE
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