B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD, 1QC, 2QC, 3QC.
Subtask 28-22-15-710-050
C. Test
(1)
Do the operational test of the APU fuel pump system (Ref. TASK 28-22-00-710-002).
(2)
Examine the connections of the APU fuel pressure switch for leaks. NOTE : Leaks are not permitted.
____
________
5. Close-up
Subtask 28-22-15-410-052
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the access platform(s).
(3)
Close the LH MLG door. (Ref. TASK 32-12-00-410-001)
(4)
Remove the warning notice(s).
1EFF : ALL 1 28-22-15Page 408 1 1 Feb 01/98 1 1 1CES 1 1EFF : ALL 1 28-22-47Page 401 1 1 May 01/03 1 1 1CES 1 C. Referenced Information
APU FUEL LINE - REMOVAL/INSTALLATION____________________________________
TASK 28-22-47-000-001
Removal of the APU Fuel Line
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.
1. Reason for the Job__________________
Self Explanatory
2. Job Set-up Information______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
R R R R No specific No specific No specific No specific No specific No specific blanking plugscircuit breaker(s) safety clip(s) 1 ACCESS PLATFORM 1M (3 FT) 1 ACCESS PLATFORM 3M (10 FT) 2 CONTAINER 5 L(1 1/2 USGAL) 1 WARNING NOTICE
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific tapes
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
25-55-12-000-001 Removal of the AFT Cargo Compartment Partition FR65 28-00-00-910-001 Fuel Safety Procedures 32-12-00-010-001 Open the Main Gear Doors for Access 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the
Yellow Electric Pump
53-32-12-000-002 Removal of the Cabin Floor Panels
28-22-47-991-002 Fig. 401
3. Job Set-up
__________
Subtask 28-22-47-941-050
A. Safety Precautions
(1) You must obey the the fuel safety procedures (Ref. TASK 28-00-00-910-001) when you do work on the fuel system.
R (2) Put a WARNING NOTICE in position: - on the panel 40VU, to tell persons not to operate the fuel system - on the panel 25VU, to tell persons not to operate the APU - on the panel 800VU, to tell persons not to refuel the aircraft.
Subtask 28-22-47-865-051
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU APU/FUEL/BLOW OFF/PUMP 2QC B14 121VU APU/FUEL/BLOW OFF/CTL 1QC K39 121VU APU/FUEL/LP VALVE/CTL 1QF M40 121VU APU/FUEL/LP VALVE/SPLY 2QF M39 121VU APU/FUEL/PUMP/CTL 3QC M38
1EFF : ALL 1 28-22-47Page 402 1 1 May 01/03 1 1 1CES 1R **ON A/C 001-049, 051-099, 101-149, 201-299,
Subtask 28-22-47-010-051
C. Get Access
(1)
Get access to the APU fuel line between FR41 and FR42.
(a) Remove the floor panel 241HL (Ref. TASK 53-32-12-000-002).
(2)
Get access to the APU fuel line between FR42 and FR46.
(a)
Open the LH main landing-gear door Z734 (Ref. TASK 32-12-00-010-001).
(b)
Put the ACCESS PLATFORM 1M (3 FT) below the LH main-landing gear compartment.
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