W DOC AIRBUS | AMM A320F

General Check of the Power Plant Flexible Fuel Tubes [IAE]


TASK 73-11-48-200-010-A
General Check of the Power Plant Flexible Fuel Tubes


WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL
1. Reason for the Job
This task gives the procedure for a general check of the power plant flexible fuel tubes without component removal.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific
AR
LIGHT SOURCE - INSPECTION
No specific
AR
MIRROR - INSPECTION
No specific
AR
WARNING NOTICE(S)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.V01-002)
cleaning fluid
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 71-13-00-010-010-A
Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-010-A
Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
3. Job Set-up
Subtask 73-11-48-941-051-A ** ON A/C NOT FOR ALL
A. Safety Precautions
   (1) On the center pedestal, on the ENG panel 115VU:
     (a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
   (2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
   (3) On the overhead maintenance panel 50VU:
     (a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
     (b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
Subtask 73-11-48-010-052-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
     (b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
   (2) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position
Subtask 73-11-48-110-050-A ** ON A/C NOT FOR ALL
C. Clean the fuel tubes
   (1) Clean the flexible fuel hoses
F Power-Plant Flexible-Fuel-Hoses ** ON A/C NOT FOR ALL
   (2) Use a Textile-Lint free Cotton - (Material No.14SBA1) made moist with cleaning fluid (Material No.V01-002) to clean the flexible fuel hoses (1) and (2).
   (3) Dry the fuel tubes with a clean Textile-Lint free Cotton - (Material No.14SBA1) .
4. Procedure
Subtask 73-11-48-210-050-A ** ON A/C NOT FOR ALL
A. Examine the flexible fuel hoses with the LIGHT SOURCE - INSPECTION and MIRROR - INSPECTION
   (1) Examine the fuel hoses (1) and (2) for security of attachment
     (a) If the fuel hoses are loose, examine these items for damage, wear and loss of torque:
       1 The attachment bolts.
       2 The attachment clips.
       3 The lockwire that safeties the connectors.
       4 The union nuts and the unions.
     (b) If one (some) of the items has (have) damage or wear, reject it (them).
   (2) Examine the flexible fuel hoses (1) and (2) connections for leaks. Leaks are not permitted
     (a) If leaks are found:
       1 Examine the attachment bolts and the union nuts for loss of torque.
       2 If there is a loss of torque, examine the attachment bolts and the union nuts for damage and wear.
       3 If damage or wear is found reject it (them).
   (3) Examine the general condition of the flexible fuel hoses (1) and (2)
     (a) Examine the fuel hoses for cracks, breaks or damage
       1 If the tube(s) has (have) cracks, reject it (them).
       2 If the tube(s) has (have) damage or breaks, reject it (them).
5. Close-up
Subtask 73-11-48-410-051-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the fan cowls (Ref. AMM TASK 71-13-00-410-010):
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
     (b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
   (3) Remove the WARNING NOTICE(S).
   (4) Remove the access platform(s).
[Rev.10 from 2021] 2026.04.01 07:27:26 UTC