-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.)
1EFF : ALL 1 28-46-16Page 401 1 1 May 01/04R 1 1 1CES 1
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 28-12-45-000-001 Removal of the Panel Assembly 550CB(650CB) 28-25-00-650-003 To Drain Remaining Fuel from the Wing Tanks and the
Center Tank
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
28-46-16-991-001 Fig. 401
**ON A/C 301-399,
28-46-16-991-001-A Fig. 401A
**ON A/C ALL
3. Job Set-up
__________
Subtask 28-46-16-941-052
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 28-46-16-650-050
B. Fuel Configuration
(1) Drain the remaining fuel from the applicable surge tank (Ref. TASK 28-25-00-650-003).
1EFF : ALL 1 28-46-16Page 402 1 1 Aug 01/05 1 1 1CES 1 Subtask 28-46-16-010-050
C. Get Access
(1)
Put the access platform in position below the applicable access panel 550CB, 650CB.
(2)
Remove the applicable access panel (Ref. TASK 28-10-00-910-002), (Ref. TASK 28-12-45-000-001):
-
FOR 28QJ1
remove 550CB
-
FOR 28QJ2
remove 650CB.
Subtask 28-46-16-865-050
D. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
49VU FUEL/XFR VALVE1/WING/R 2QP A11
49VU FUEL/XFR VALVE1/WING/L 1QP A10
**ON A/C 301-399,
49VU FUEL/AFT LOW LVL/& OVFL/WING R 44QJ A11
49VU FUEL/AFT LOW LVL/& OVFL/WING L 43QJ A10
**ON A/C ALL
4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
(Ref. Fig. 401/TASK 28-46-16-991-001)
1EFF : ALL 1 28-46-16Page 403 1 1 Aug 01/05 1 1 1CES 1
Overflow Sensor
Figure 401/TASK 28-46-16-991-001
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-46-16Page 404 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1 **ON A/C 301-399,
(Ref. Fig. 401A/TASK 28-46-16-991-001-A) R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 28-46-16-020-050
A. Removal of the Overflow Sensor
(1)
Loosen the cable clamp screw (4) and release the cable (5).
(2)
Loosen the electrical connector screws (8) and remove the cable (5).
(3)
Put blanking caps on the disconnected electrical connectors.
(4)
Remove the bolts (1) and (7) and the washers (2) and (6)
(5) Remove the sensor (3) from the support bracket.
**ON A/C 301-399,
Subtask 28-46-16-020-050-A
A. Removal of the Overflow Sensor
(1)
Loosen the cable clamp screw (5) and release the cable (6).
(2)
Loosen the electrical connector screws (9) and remove the cable (6).
(3)
Put blanking caps on the disconnected electrical connectors.
(4)
Remove the bolts (1) and (8) and the washers (2) and (7).
(5)
Remove the sensor (3) and the cover (4) from the support bracket.
1EFF : ALL 1 28-46-16Page 405 1 1 Aug 01/05 1 1 1CES 1
R Overflow Sensor
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