keep samples of the fuel, in sufficient volume for laboratory
analysis. This analysis must agree with "THE CHARACTERISTIC TESTS
STANDARD SPECIFICATION FOR AVIATION TURBINE FUELS".
R (b) Tracer 'A'
R
R Tracer 'A' is a volatile chemical concentrate that is added to
R fuel storage tanks to trace leaks. Most of the additive
R evaporates during fueling and subsequent flights.
R Tracer 'A' is approved to be present to a maximum concentrate of
R 1ppm, without an affect to components and system.
FUEL - GENERAL - REMOVAL/INSTALLATION
_____________________________________ TASK 28-00-00-000-001 Removal of the Fuel Pipes WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
WARNING : DO NOT GET AIRCRAFT FUEL:
_______
-
IN YOUR MOUTH
-
IN YOUR EYES
-ON YOUR SKIN FOR A LONG TIME.
AIRCRAFT FUEL IS POISONOUS.
WARNING : DO NOT GET YOUR CLOTHES SOAKED WITH FUEL.
_______
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.
WARNING : YOU MUST USE THE NECESSARY PRECAUTIONS TO PREVENT INJURY FROM HEAT.
_______ THE LOCATION FOR THIS TASK CAN BE VERY HOT.
CAUTION : DO NOT REFUEL OR DEFUEL THROUGH THE TWO REFUEL/DEFUEL COUPLINGS AT
_______ THE SAME TIME. THIS IS TO PREVENT PRESSURE DIFFERENCE PROBLEMS.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific safety barriers
1EFF : ALL 1 28-00-00Page 401 1 1 May 01/05R 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 28-25-00-650-001 Pressure Defuel 28-25-00-650-003 To Drain Remaining Fuel from the Wing Tanks and the
Center Tank 28-25-00-869-001 Fuel Transfer 57-17-11-000-001 Removal of the Covers 147AZ (148AZ) 57-27-11-000-001 Removal of the Access Panel (540AB, 540BB, 540CB,
540DB, 540EB, 540FB, 540GB, 640AB, 640BB, 640CB, 640DB, 640EB, 640FB, 640GB)
57-27-11-000-002 Removal of the Access Panel (540HB, 540JB, 540KB, 540LB, 540MB, 540NB, 540PB, 540QB, 540RB, 550AB, 550BB, 550CB, 550DB, 560AB, 640HB, 640JB, 640KB, ....)
57-31-21-000-001 Removal of the Wing-Tip Structure
FPRM Check (for corrective action)
FPRM Description (for corrective action)
28-00-00-991-001 Fig. 401
3. Job Set-up
__________
(Ref. Fig. 401/TASK 28-00-00-991-001)
Subtask 28-00-00-910-050
R A. Fuel Pipes
NOTE : The damage limits for fuel pipes and fuel line shrouds are given
____ in the Fuel Pipe Repair Manual (Ref. FPRM Description) and (Ref. FPRM Check).
This topic gives the general procedure for the removal and installation of the fuel pipes in the fuel system. It includes the pipes for these systems:
-refuel/defuel
-engine feed
-vent
-recirculation.
In general, it is not necessary to wirelock the fuel couplings inside the fuel tanks. The fuel couplings are self-locking.
1EFF : ALL 1 28-00-00Page 402 1 1 May 01/05 1 1 1CES 1
R Fuel Pipes Figure 401/TASK 28-00-00-991-001
1EFF : 1 1 1CES ALL 1 111 28-00-00 Page 403 Aug 01/04
R R R R Refer to the removal/installation topic of the related component(s) for the data on a fuel pipe joint at a component interface. It is possible that you must remove a component before you can remove the applicable fuel pipe.
(1) Sliding Joints
Some fuel pipes are connected together with sliding joints which have O-ring seals. If a retaining ring becomes loose, the fuel pipes cannot become disconnected. You have to compress more than two of the sliding joints to get the necessary clearance to disconnect these fuel pipes.
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