W DOC AIRBUS | AMM A320F

Installation of the Fuel Distribution Valve [IAE]

TASK 73-13-43-400-010-B
Installation of the Fuel Distribution Valve

WARNING: DO NOT LET ENGINE OIL STAY ON YOUR SKIN FOR A LONG TIME. FLUSH THE OIL FROM YOUR SKIN WITH WATER. THE OIL IS POISONOUS AND CAN GO THROUGH YOUR SKIN AND INTO YOUR BODY.
FIN: 2002EM ** ON A/C NOT FOR ALL
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 1M(3 FT)
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 45 and 36 lbf.in (0.51 and 0.41 m.daN ) T
No specific
Torque wrench: range to between 95 and 85 lbf.in (1.07 and 0.96 m.daN ) T
No specific
Torque wrench: range to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T
No specific
Torque wrench: range to between 170 and 150 lbf.in (1.92 and 1.70 m.daN ) T
No specific
Torque wrench: range to between 200 and 180 lbf.in (2.26 and 2.03 m.daN ) T
No specific
Torque wrench: range to between 1250 and 1150 lbf.in (14.13 and 13.00 m.daN ) T
IAE1P16042
1
ADAPTER, LEAK TEST
IAE1P16139
1
WRENCH-TIGHTEN
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.V02-141)
corrosion resistant steel lockwire
(Material No.V10-041)
petrolatum, white
(Material No.V10-045)
Leak Check Fluid
(Material No.V10-077)
lubricant (engine oil)
(Material No.V10-129)
anti-seize paste
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR, 451AL, 452AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR, 461AL, 462AR
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
9
PACKINGS
AIPC 73-11-41-80-010
7
GASKET
AIPC 73-11-41-80-050
24
RING
AIPC 73-11-49-74-020
22
PACKING
AIPC 73-11-49-84-100
4
PACKING
AIPC 73-13-43-81-010
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 70-23-11-911-013-A
General Torque Tightening Techniques
TASK 70-23-13-911-010-A
Procedures for the Installation of Preformed Packings
TASK 70-30-00-918-010-A
Consumable Materials Index
TASK 70-40-11-911-014-A
Locking Devices General Information
TASK 71-00-00-710-012-B
Test No.3 : Idle Leak Check
TASK 71-00-00-710-046-B
Test No.2 : Wet Motor Leak Check
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)
TASK 78-30-00-040-012-A
Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance
TASK 78-30-00-440-012-A
Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance
TASK 78-32-00-010-010-A
Opening of the Thrust Reverser Halves
TASK 78-32-00-410-010-A
Closing of the Thrust Reverser Halves
F Fuel Distribution Valve
F Fuel Distribution Valve (Fuel supply tube and clip Point 5700)
3. Job Set-up
Subtask 73-13-43-860-051-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
   (2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).
   (3) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
Subtask 73-13-43-010-056-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Make sure that the fan cowl doors are open: (Ref. AMM TASK 71-13-00-010-010)
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
     (b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
   (2) Make sure that the thrust reverser doors are open: (Ref. AMM TASK 78-32-00-010-010)
     (a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
     (b) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 73-13-43-040-053-A ** ON A/C NOT FOR ALL
C. Make sure that the thrust reverser Hydraulic Control Unit (HCU) is deactivated: (Ref. AMM TASK 78-30-00-040-012)
4. Procedure
Subtask 73-13-43-420-053-A ** ON A/C NOT FOR ALL
A. Installation of the fuel distribution valve
F Fuel Distribution Valve ** ON A/C NOT FOR ALL
   (1) Remove the covers from all the openings.
   (2) If a new fuel distribution valve is to be installed, do these steps:
     (a) Apply V10-077lubricant (engine oil) (Ref. AMM TASK 70-30-00-918-010) to the threads of the two bolts (12).
     (b) Install the bolts through the front support (1) and in the fuel distribution valve and tighten them with your hand.
     (c) TORQUE the upper bolt to between 200 and 180 lbf.in (2.26 and 2.03 m.daN ) T (Ref. AMM TASK 70-23-11-911-013). Do not torque the lower bolt.
     (d) Apply V10-041petrolatum, white to new AIPC 73-13-43-81-010 PACKING (4) and install the packings on the adapters (5) (Ref. AMM TASK 70-23-13-911-010).
     (e) Apply V10-077lubricant (engine oil) (Ref. AMM TASK 70-30-00-918-010) to the threads the adapters (5) and install the adapters on the ten openings on the rear of the valve (3).
     (f) TORQUE the adapters (5) to between 170 and 150 lbf.in (1.92 and 1.70 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (3) Install the transfer tubes and the gasket
     (a) Apply V10-041petrolatum, white to new transfer tube packings (9).
     (b) Install AIPC 73-11-41-80-010 PACKINGS (9) on each of the transfer tubes (6) (Ref. AMM TASK 70-23-13-911-010).
     (c) Install a transfer tube on each of the adapters on the fuel distribution valve.
     (d) Install a new AIPC 73-11-41-80-050 GASKET (7) on the conical seat on the end of each of the adapters on the valve (Ref. AMM TASK 70-23-13-911-010).
NOTE: Petrolatum can be used to hold the gaskets in place.
   (4) Install the fuel distribution valve
     (a) Install the fuel distribution valve on the mount bracket (11) and the stage 7 HPC air bleed valve flange.
     (b) Apply V10-077lubricant (engine oil) (Ref. AMM TASK 70-30-00-918-010) to the threads of the two bolts (10).
     (c) Install the bolts that attach the valve to the rear mount bracket (11).
       1 Tighten the bolts until all the parts touch.
       2 Turn the bolts counterclockwise three complete turns.
     (d) Apply V10-077lubricant (engine oil) (Ref. AMM TASK 70-30-00-918-010) to the threads of the four bolts (2).
     (e) Align the bolt holes on the front support (1) with the bolt holes on the stage 7 HPC air bleed valve flange.
     (f) Install the bolts through the support and the flange. Tighten the bolts with your hand.
   (5) Connect the fuel manifolds
     (a) Apply anti-seize paste (Material No.V10-129) on the end fittings and also on the nut threads of the fuel manifolds (8) that attach to the fuel distribution valve.
NOTE: If the fuel supply tubes were replaced with new tubes, then do not apply anti-seize paste (Material No.V10-129) . The new fuel supply tubes have dry anti-gallant.
     (b) Connect the fuel supply manifolds to the adapters and tighten the manifold nuts with your hand.
Subtask 73-13-43-790-053-A ** ON A/C NOT FOR ALL
B. Pressurize the system and check for leaks
   (1) Install the IAE1P16042 ADAPTER, LEAK TEST on the front end of the fuel distribution valve and secure with the bolts. Tighten the bolts with your hand.
   (2) Attach a 100 psi (6.9 bar) air source to the test adapter.
   (3) Pressurize the system to between 95 psi (6.5 bar) and 105 psi (7.2 bar).
   (4) Check the fuel manifold nuts for leaks at the distribution valve with Leak Check Fluid (Material No.V10-045) .
   (5) Hold the pressure for 5 minutes . No leakage from any surface, joint or connection is permitted. Repair any leaks you find.
   (6) Decrease the air pressure to zero and remove the air pressure source from the test adapter.
   (7) Remove the three bolts that attach the test adapter and remove the test adapter from the valve.
Subtask 73-13-43-420-061-A ** ON A/C NOT FOR ALL
C. Do the steps that follow :
   (1) TORQUE the mount bracket bolts and the manifold nuts:
F Fuel Distribution Valve ** ON A/C NOT FOR ALL
     (a) TORQUE the lower bolt (12) to between 200 and 180 lbf.in (2.26 and 2.03 m.daN ) T (Ref. AMM TASK 70-23-11-911-013)
     (b) TORQUE the four bolts (2) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
     (c) TORQUE the bolts (10) on the rear mount bracket to between 200 and 180 lbf.in (2.26 and 2.03 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
     (d) TORQUE the fuel supply manifolds by doing the following steps.
CAUTION: WHEN YOU USE THE IAE 1P16139 WRENCH, THE CORRECT TORQUE WILL HAVE TO BE CALCULATED USING THE FORMULA IN THE STANDARD PRACTICES SECTION OF THIS MANUAL.
CAUTION: MAKE SURE THAT YOU DO THE PROCEDURE THAT FOLLOWS TO CORRECTLY TORQUE THE FUEL MANIFOLD COUPLING NUTS. INCORRECT TORQUE COULD RESULT IN DAMAGE TO ENGINE PARTS.
       1 TORQUE the fuel manifold tube nuts with the wrench IAE1P16139 WRENCH-TIGHTEN to between 95 and 85 lbf.in (1.07 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
       2 Do step 1_ again. Do not loosen the manifold nuts.
       3 Do step 2_ until all manifold nuts hold the necessary torque. If a nut will not hold the torque after four torque procedures, replace or repair the fuel manifold or seals.
     (e) Safety the manifold nuts in pair with corrosion resistant steel lockwire (Material No.V02-141) (Ref. AMM TASK 70-40-11-911-014).
   (2) Install the fuel supply tube:
F Fuel Distribution Valve (Fuel supply tube and clip Point 5700) ** ON A/C NOT FOR ALL
     (a) Apply V10-041petrolatum, white to a new AIPC 73-11-49-74-020 RING (24).
     (b) Install the ring in the groove on the flanged end of the fuel supply tube (19) (Ref. AMM TASK 70-23-13-911-010).
     (c) Install the supply tube on the front of the fuel distribution valve.
     (d) Apply V10-077lubricant (engine oil) (Ref. AMM TASK 70-30-00-918-010) to the threads of the bolts (18).
     (e) Install the bolts and tighten them with your hand.
     (f) Apply V10-041petrolatum, white to a new AIPC 73-11-49-84-100 PACKING (22).
     (g) Install the packing (22) on the connector (21) located at the bifurcation panel (20) (Ref. AMM TASK 70-23-13-911-010).
     (h) Connect the supply tube nut (23) to the connector (21) and tighten it with your hand.
     (i) TORQUE the three bolts (18) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
     (j) TORQUE the supply tube nut (23) to between 1250 and 1150 lbf.in (14.13 and 13.00 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
     (k) Safety the supply tube nut (23) with corrosion resistant steel lockwire (Material No.V02-141) (Ref. AMM TASK 70-40-11-911-014).
     (l) Attach the fuel supply tube at clip position 5700.
       1 Put the washer (15) on the bolt (16) and install the bolt through the loop clamps (14) and (17) and the raceway clip and attach it with the nut (13).
       2 TORQUE the nut (13) (Ref. AMM TASK 70-23-11-911-013) to between 45 and 36 lbf.in (0.51 and 0.41 m.daN ) T.
5. Close-up
Subtask 73-13-43-410-054-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 thrust reverser halves (Ref. AMM TASK 78-32-00-410-010):
     (a) FOR [1000EM1] (ENGINE-1)
451AL 452AR.
     (b) FOR [1000EM2] (ENGINE-2)
461AL 462AR.
Subtask 73-13-43-440-052-A ** ON A/C NOT FOR ALL
B. Activate the thrust reverser HCU (Ref. AMM TASK 78-30-00-440-012).
Subtask 73-13-43-410-052-A ** ON A/C NOT FOR ALL
C. Close Access
   (1) 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
   (2) Remove the access platform(s).
   (3) Remove the WARNING NOTICE(S).
Subtask 73-13-43-790-054-A ** ON A/C NOT FOR ALL
D. Test Requirements
   (1) Do an idle leak check (Ref. AMM TASK 71-00-00-710-012).
NOTE: A wet motor leak check (Ref. AMM TASK 71-00-00-710-046) may be used to check for leaks, but this must be followed by an idle leak check (Ref. AMM TASK 71-00-00-710-012).
[Rev.10 from 2021] 2026.04.01 03:00:35 UTC
"Aviabrain" 2025