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 28-12-41-000-001 Removal of the Overpressure Protector 46QM (47QM) 28-12-47-000-001 Removal of the NACA Vent Intake 28-25-00-650-001 Pressure Defuel 28-25-00-650-003 To Drain Remaining Fuel from the Wing Tanks and the
Center Tank 57-55-11-000-001 Removal of the Flap Track Fairings Nos. 2, 3 and 4 57-55-11-000-004 Removal of the Flap Track Fairings Nos. 2, 3 and 4
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
57-27-11-991-002 Fig. 403
**ON A/C 301-399,
57-27-11-991-002-A Fig. 403A
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
57-27-11-991-011 Fig. 404
**ON A/C 301-399,
57-27-11-991-011-A Fig. 404A **ON A/C ALL
3. Job Set-up
__________ Subtask 57-27-11-941-051
A. Safety Precautions WARNING : OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK.
_______
(1)
You must obey the fuel safety procedures when you do work in a fuel tank, (Ref. TASK 28-10-00-910-001) and (Ref. TASK 28-10-00-910-002).
(2)
Put the safety barriers in position.
(3)
Install the TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER (98D27803500001) on the flap/slat control lever.
(4)
Put warning notices in the cockpit to tell persons not to operate the flaps or slats.
Subtask 57-27-11-860-055
B. Aircraft Maintenance 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).
1EFF : ALL 1 57-27-11Page 431 1 1 May 01/05R 1 1 1CES 1
Subtask 57-27-11-865-051
C. 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 49VU FUEL/XFR VALVE1/WING/L 2QP 1QP A11A10
**ON A/C ALL
49VU FUEL/X FEED/VALVE/MOT1 2QE A12
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
121VU FUEL/CTR TK/PUMP2 SPLY 121VU FUEL/CTR TK/PUMP1 SPLY 30QA 29QA P26P23
**ON A/C ALL
121VU FUEL/RFL/DFL/SPLY 121VU FUEL/RFL/DFL/XFR/DEFUEL/VALVE 121VU FUEL/L WING TK/PUMP2 SPLY 121VU FUEL/L WING TK/PUMP1 SPLY 121VU FUEL/R WING TK/PUMP2 SPLY 121VU FUEL/R WING TK/PUMP1 SPLY 2QU 1QU 7QA 1QA 8QA 2QA L24L23N26N23Q26Q23
**ON A/C 301-399,
121VU FUEL/CTR TK/AUTO/CTL 121VU FUEL/CTR TK/L&R XFR/CTL & IND 121VU FUEL/CTR TK/L&R XFR/CTL & IND 3QL 2QL 1QL R27R26R25
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 57-27-11-010-055
D. Get Access
(1)
Put the adjustable access platform below the applicable access panel, zone 540(640).
(2)
For panels 540NB(640NB) or 540PB(640PB):
-remove the forward and aft fixed fairings of the No. 4 flap track (Ref. TASK 57-55-11-000-001).
(3)
For panel 540NB(640NB), remove the bolts (13) and the flap-track fairing support-bracket (12).
**ON A/C 301-399,
Subtask 57-27-11-010-055-A
D. Get Access
(1)
Put the adjustable access platform below the applicable access panel, zone 540(640).
(2)
For panels 540NB(640NB) or 540PB(640PB):
-remove the forward and aft fixed fairings of the No. 4 flap track (Ref. TASK 57-55-11-000-004).
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