W DOC AIRBUS | AMM A320F

Installation of the Fuel Package Assembly [CFMB]


TASK 73-11-12-400-002-A
Installation of the Fuel Package Assembly


FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** 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
PLIERS - NOSE, SOFT, LONG
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 15 and 2.2 lbf.in (0.17 and 0.02 m.daN ) T
No specific
Torque wrench: range to between 42 and 38 lbf.in (0.47 and 0.43 m.daN ) T
No specific
Torque wrench: range to between 45 and 40 lbf.in (0.51 and 0.45 m.daN ) T
No specific
Torque wrench: range to between 60 and 42.2 lbf.in (0.68 and 0.48 m.daN ) T
No specific
Torque wrench: range to between 50 and 45 lbf.in (0.57 and 0.51 m.daN ) T
No specific
Torque wrench: range to between 51 and 47 lbf.in (0.58 and 0.53 m.daN ) T
No specific
Torque wrench: range to between 55 and 50 lbf.in (0.62 and 0.57 m.daN ) T
No specific
Torque wrench: range to between 60 and 55 lbf.in (0.68 and 0.62 m.daN ) T
No specific
Torque wrench: range to between 70 and 55 lbf.in (0.79 and 0.62 m.daN ) T
No specific
Torque wrench: range to between 80 and 70 lbf.in (0.90 and 0.79 m.daN ) T
No specific
Torque wrench: range to between 90 and 81 lbf.in (1.02 and 0.92 m.daN ) T
No specific
Torque wrench: range to between 111 and 101 lbf.in (1.25 and 1.14 m.daN ) T
No specific
Torque wrench: range to between 150 and 135 lbf.in (1.70 and 1.53 m.daN ) T
No specific
Torque wrench: range to between 160 and 150 lbf.in (1.81 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 230 and 190 lbf.in (2.60 and 2.15 m.daN ) T
No specific
Torque wrench: range to between 300 and 270 lbf.in (3.39 and 3.05 m.daN ) T
No specific
Torque wrench: range to between 315 and 300 lbf.in (3.56 and 3.39 m.daN ) T
No specific
Torque wrench: range to between 320 and 310 lbf.in (3.62 and 3.50 m.daN ) T
No specific
Torque wrench: range to between 400 and 350 lbf.in (4.52 and 3.96 m.daN ) T
No specific
Torque wrench: range to between 530.97 and 442.48 lbf.in (6.00 and 5.00 m.daN ) T
No specific
Torque wrench: range to between 1100 and 900 lbf.in (12.43 and 10.17 m.daN ) T
856A2801
1
BASEPLATE-R I FUEL PUMP HMU PACKAGE
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.CP2101)
graphite grease
(Material No.CP2442)
engine oil
(Material No.CP5070)
vaseline
(Material No.CP8001)
lockwire 0.032 in. (0.8 mm) dia.
(Material No.CP8002)
lockwire 0.032 in. (0.8 mm) dia
 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
5
GASKET
AIPC 73-11-10-01-020
485
O-RING
AIPC 73-11-10-01-050
475
PREFORMED PACKING
AIPC 73-11-10-01-070
455
O-RING
AIPC 73-11-10-01-100
490
O-RING
AIPC 73-11-10-01-140
500
O-RING
AIPC 73-11-10-01-140
30
GASKET
AIPC 73-11-20-01-100
325
GASKET
AIPC 73-21-10-01-150
340
GASKET
AIPC 73-21-10-01-300
110
GASKET
AIPC 73-31-10-01-040
530
GASKET
AIPC 79-21-20-01-160
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 24-41-00-862-002-A
De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01
De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02
De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 31-60-00-860-001-A
EIS Start Procedure
TASK 70-21-00-918-002-A
Seals (Preformed Packings and O-rings) and Gaskets
TASK 71-00-00-710-002-B
Wet Motoring Check
TASK 71-00-00-710-006-B
Minimum Idle Check
TASK 71-00-00-790-002-B
Fuel or Hydraulic or Oil Leakage Limits
TASK 71-13-00-010-040-B
Opening of the Fan Cowl Doors
TASK 71-13-00-410-040-B
Closing of the Fan Cowl Doors
TASK 71-73-49-400-008-A
Installation of the Fuel Pump Drain Tubes
TASK 71-73-49-400-026-A
Installation of the Heat Exchanger Drain Tube
TASK 72-63-00-000-002-A
Removal of the Handcranking Drive Cover
TASK 72-63-00-400-002-A
Installation of the Handcranking Drive Cover
TASK 73-11-45-400-001-A
Installation of the Fuel Nozzle Filter ((Downstream Fuel Filter)
TASK 73-11-49-400-041-A
Installation of the Fuel Tubes
TASK 73-29-00-710-040-B
Operational Test of the FADEC on the Ground (with Engine Motoring)
TASK 73-29-00-710-040-B-02
Operational Test of the FADEC on the Ground (with Engine Non motoring)
TASK 73-31-10-400-002-A
Installation of the Fuel Flow Transmitter
TASK 78-30-00-481-041-B
Make the Thrust Reverser Unserviceable for Maintenance
TASK 78-36-00-010-040-B
Opening of the Thrust Reverser Doors
SPM 707012
3. Job Set-up
Subtask 73-11-12-860-052-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 73-11-12-865-054-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
FOR FIN: 1000EM1 (ENGINE1)
49VUFUEL/LP VALVE/MOT1/ENG11QGA08
121VUFUEL/LP VALVE/MOT2/ENG13QGM25
FOR FIN: 1000EM2 (ENGINE2)
49VUFUEL/LP VALVE/MOT1/ENG22QGA09
121VUFUEL/LP VALVE/MOT2/ENG24QGM26
Subtask 73-11-12-010-055-A ** ON A/C NOT FOR ALL
C. Get Access
   (1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-040):
     (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 78-36-00-010-040):
     (a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
     (b) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 73-11-12-040-053-A ** ON A/C NOT FOR ALL
D. Make sure the thrust reverser is unserviceable (Ref. AMM TASK 78-30-00-481-041).
4. Procedure
Subtask 73-11-12-420-053-A ** ON A/C NOT FOR ALL
A. Install the Fuel Pump and HMU Nipples
NOTE: Hydromechanical Units (HMUs) that have fluorocarbon (Viton) external seals (SB 73-015) can leak fuel for a short time when they are below -34 deg.C (-29.20 deg.F) (Modification 1) or below -40 deg.C (-40.00 deg.F) (modification 2) (Ref. AMM TASK 71-00-00-790-002)
NOTE: You must install the fuel package on 856A2801 BASEPLATE-R I FUEL PUMP HMU PACKAGE.
   (1) Remove the remaining blanking plugs, caps and covers from the HMU.
   (2) Make sure that all nipples of the HMU and plugs are correctly tightened. If not, remove them and apply a thin layer of engine oil (CP2442) and then install them again with a new O'ring into the ports and torque as follows:
     (a) OVBD drain nipple (305). TORQUE to between 150 and 135 lbf.in (1.70 and 1.53 m.daN ) T.
     (b) LPTACC nipple (135). TORQUE to between 200 and 180 lbf.in (2.26 and 2.03 m.daN )
T.
     (c) HPTACC nipple (290). TORQUE to between 150 and 135 lbf.in (1.70 and 1.53 m.daN )
T.
     (d) RACCS nipple (140). TORQUE to between 150 and 135 lbf.in (1.70 and 1.53 m.daN )
T.
NOTE: Only applicable for non /P engines.
     (e) TBV nipple (410). TORQUE to between 150 and 135 lbf.in (1.70 and 1.53 m.daN )
T.
NOTE: Only applicable for /P engines.
     (f) PCR nipple (225). TORQUE to between 200 and 180 lbf.in (2.26 and 2.03 m.daN )
T.

PRE CFMI SB 73-0096

     (g) SOV nipple (350). TORQUE to between 150 and 135 lbf.in (1.70 and 1.53 m.daN )
T.
NOTE: Only applicable for SAC engines.

END PRE CFMI SB 73-0096

PRE CFMI SB 73-0114

     (h) BSV nipple (210). TORQUE to between 150 and 135 lbf.in (1.70 and 1.53 m.daN )
T.

END PRE CFMI SB 73-0114

     (i) VBV open nipple (195). TORQUE to between 300 and 270 lbf.in (3.39 and 3.05 m.daN )
T.
     (j) VBV closed nipple (180). TORQUE to between 200 and 180 lbf.in (2.26 and 2.03 m.daN )
T.
     (k) VSV rod nipple (245). TORQUE to between 200 and 180 lbf.in (2.26 and 2.03 m.daN )
T.
     (l) VSV head nipples (260). TORQUE to between 300 and 270 lbf.in (3.39 and 3.05 m.daN )
T.
     (m) PB plug (165). TORQUE to between 80 and 70 lbf.in (0.90 and 0.79 m.daN )
T. Safety the PB plug (165) with CP8001lockwire 0.032 in. (0.8 mm) dia. or CP8002lockwire 0.032 in. (0.8 mm) dia SPM 707012.
     (n) PS plug (155). TORQUE to between 42 and 38 lbf.in (0.47 and 0.43 m.daN )
T. Safety the PS plug (155) with CP8001lockwire 0.032 in. (0.8 mm) dia. or CP8002lockwire 0.032 in. (0.8 mm) dia SPM 707012.
   (3) Make sure that all nipples of the fuel pump are correctly tightened. If not, remove them and then install them again as follows:
     (a) Apply a thin layer of engine oil (Material No.CP2442) to new AIPC 73-11-10-01-140 O-RING (490) and AIPC 73-11-10-01-140 O-RING (500) and the threads of the nipples (495) and (505).
     (b) Install the O-rings (490) and (500) on the nipples (495) and (505). Install the nipples on the fuel filter housing. TORQUE them to between 160 and 150 lbf.in (1.81 and 1.70 m.daN )
T.
     (c) Apply a thin layer of engine oil (Material No.
CP2442) to the new AIPC 73-11-10-01-100 O-RING (455) and the threads of the nipple (460).
     (d) Install the
AIPC 73-11-10-01-100 O-RING (455) on the nipple (460). Install the nipple on the fuel pump. TORQUE it to between 400 and 350 lbf.in (4.52 and 3.96 m.daN ) T.
Subtask 73-11-12-420-054-A ** ON A/C NOT FOR ALL
B. Installation of the Fuel Package Assembly
   (1) Apply a thin layer of engine oil (Material No.CP2442) to a new AIPC 73-11-10-01-050 O-RING (485) and install it in the groove of the fuel pump drive shaft.

PRE SB 72-0094

   (2) Lubricate the re-usable or new seal ring assembly (465) with engine oil (Material No.CP2442) and install on fixed part of QAD ring (570).

POST SB 72-0094

   (3) Install the seal ring assembly (470) as follows:
     (a) If necessary, install a new AIPC 73-11-10-01-070 PREFORMED PACKING (475) on the support (metal ring) (480).
     (b) Lubricate the seal ring assembly (470) with engine oil (Material No.
CP2442) .
     (c) Install the seal ring assembly (470) on fixed part of the QAD ring (570).

END OF SB 72-0094

   (4) Make sure that the 3 tabs of the seal are correctly locked by the lugs of the adapter flange.
   (5) Remove the cover from the handcranking drive pad (Ref. AMM TASK 72-63-00-000-002).
   (6) Drive hydraulic hoist platform with fuel package and 856A2801 BASEPLATE-R I FUEL PUMP HMU PACKAGE forward AGB.
   (7) Slightly lift hydraulic hoist platform to align fuel pump splines with AGB splines.
     (a) Insert a 3/4-inch drive turning handle in handcranking drive pad.
     (b) Align pump drive shaft with the drive recess in Accessory Gearbox (AGB) using the 3/4-inch drive turning handle.
CAUTION: CAREFULLY ALIGN THE PUMP WITH THE AGB TO PREVENT SPLINE DAMAGE. MAKE SURE THAT THE LOCATING DOWELS ARE CORRECTLY ALIGNED.
CAUTION: DURING INSTALLATION, KEEP THE DRIVE SHAFT PERPENDICULAR TO THE AGB MOUNTING FLANGE, MAKE SURE THAT THERE IS NO LOAD ON THE DRIVE SHAFT.
     (c) Engage the pump drive shaft into its AGB drive recess.
     (d) Apply a thin layer of graphite grease (Material No.CP2101) to Quick-Attach-Detach (QAD) bolt (560) threads. Make sure that you can see the ball-seat washer (575) under the QAD bolt (560) head. Install the bolt (560) with ball-seat washer (575) in bracket. Install the retaining packing (565) on the bolt (560).
   (8) Attach package as follows:
     (a) Turn the QAD ring (570) clockwise until it is correctly installed.
     (b) TORQUE the QAD bolt (560) to between 320 and 310 lbf.in (3.62 and 3.50 m.daN ) T.
     (c) Radially tap exposed outer diameter of QAD ring (570) to set the ring to its correct position.
     (d) Do the steps (b) and (c) two more times.
     (e) Check the QAD ring (570) seating as follows:
       1 Make sure that the gap (DIM.A) between the boss of the QAD ring (570) and the flange of the QAD ring support is between 0.25 in. (6.3500 mm) and 1 in. (25.4000 mm).
NOTE: If necessary, use minimum tightening TORQUE to get the minimum gap (DIM.A).
       2 If the gap (DIM.A) is out of these limits, change the QAD ring (570) and replace it. Begin this installation at the last step of the precedent paragraph.
     (f) Loosen and TORQUE QAD bolt (560) to between 230 and 190 lbf.in (2.60 and 2.15 m.daN )
T. Safety with CP8001lockwire 0.032 in. (0.8 mm) dia. or CP8002lockwire 0.032 in. (0.8 mm) dia SPM 707012.
   (9) Lower hydraulic hoist platform and move back to disengage
856A2801 BASEPLATE-R I FUEL PUMP HMU PACKAGE.
   (10) Connect the fuel filter differential pressure tubes (Ref. AMM TASK 73-11-49-400-041).
   (11) Install the main oil fuel heat exchanger drain tube (Ref. AMM TASK 71-73-49-400-026) and the fuel pump pad drain tube (Ref. AMM TASK 71-73-49-400-008).
   (12) Install the handcranking drive pad cover (Ref. AMM TASK 72-63-00-400-002).
   (13) Connect the CLP fuel tube (450) to the fuel pump as follows:
CAUTION: USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
  • ONE WRENCH TO HOLD THE UNION, AND
  • ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
THIS PREVENTS DAMAGE TO THE PARTS.
     (a) Apply a thin layer of engine oil (Material No.CP2442) on the thread of nipple (555) to the fuel pump.
     (b) Connect the CLP fuel tube (450) to the nipple (555) on the fuel pump. TORQUE the coupling nut to between 530.97 and 442.48 lbf.in (6.00 and 5.00 m.daN ) T.
     (c) Make sure that the clamp (525) and plastic bushing are on the CLP fuel tube (450) (from FRV).
   (14) Connect the fuel supply tube (55) to the junction port of the fuel supply tube (A/C) as follows:
     (a) Make sure that the mating faces are clean.
     (b) Examine the re-usable AIPC 73-11-10-01-020 GASKET (5) for damage (Ref. AMM TASK 70-21-00-918-002), replace if necessary.
     (c) Apply a thin layer of engine oil (Material No.CP2442) to the gasket (5) and install it in the junction port of the fuel supply tube (55).
     (d) Connect the fuel supply tube (55) to the junction port of the fuel supply tube (A/C).
     (e) Apply a thin layer of graphite grease (Material No.CP2101) to the threads of bolts (10) and attach the tube. TORQUE the bolts to between 90 and 81 lbf.in (1.02 and 0.92 m.daN ) T.

PRE SB 72-0515 AND PRE SB 79-0022
   (15) Connect the fuel-in tube (440) to the oil/fuel heat exchanger as follows:
     (a) Make sure that the mating faces are clean.
     (b) Examine the re-usable AIPC 79-21-20-01-160 GASKET (530) for damage (Ref. AMM TASK 70-21-00-918-002), replace it if necessary.
     (c) Apply a thin layer of engine oil (Material No. CP2442) to the gasket (530) and install it on the port of the main oil/fuel heat exchanger.
     (d) Lubricate the threads of the bolts (545) with graphite compound (Material No. CP2101).
     (e) Install the gasket (530) between the fuel-in tube (440) and the main oil/fuel heat exchanger. Put the bracket (535) (for fan fire detection) at its correct position over the square flange of the fuel-in tube (440) and install washer (540) and bolts (545) to attach the fuel-in tube (440) to the main oil/fuel heat exchanger.
     (f) Tighten the bolts (545) as follows:
NOTE: You must apply the following steps to each of the 4 bolts (545). Start by the first bolt on the top left side of the port, followed by the second bolt at the diagonally opposite location, the third bolt on the bottom left side of the port and the fourth bolt at the opposite location.
       1 TORQUE the bolts (545) to between 45 and 40 lbf.in (0.51 and 0.45 m.daN ) T.
       2 Unscrew the bolts (545) but do not remove them.
       3 Measure the LOCKING TORQUE of each bolt (545). This TORQUE must be to between 15 and 2.2 lbf.in (0.17 and 0.02 m.daN )
T; if not, replace the bolt.
       4 TORQUE the bolts (545) again to between 45 and 40 lbf.in (0.51 and 0.45 m.daN )
T.
       5 Add the LOCKING TORQUE value of the bolts (545) recorded before.
       6 FINAL TORQUE the bolts (545) to between 60 and 42.2 lbf.in (0.68 and 0.48 m.daN )
T.

POST SB 72-0515 AND POST SB 79-0022

   (16) Connect the fuel-in tube (440) to the oil/fuel heat exchanger as follows:
     (a) Make sure that the mating faces are clean.
     (b) Examine the re-usable AIPC 79-21-20-01-160 GASKET (530) for damage (Ref. AMM TASK 70-21-00-918-002), replace it if necessary.
     (c) Lubricate the gasket (530) with engine oil (Material No. CP2442).
     (d) Lubricate the threads of the bolts (550) with graphite compound (Material No. CP2101).
NOTE: Make sure that bolts (550) removed are serviceable to attach correctly the fuel-in tube (440) on the port.
     (e) Install the gasket (530) between the fuel-in tube (440) and the main oil/fuel heat exchanger. Put the bracket (535) (for fan fire detection) at its correct position over the square flange of the fuel-in tube (440) and bolts (550) to attach the fuel-in tube (440) to the main oil/fuel heat exchanger.
     (f) Tighten the bolts (550) as follows:
NOTE: You must apply the following steps to each of the 4 bolts (550). Start by the first bolt on the top left side of the port, followed by the second bolt at the diagonally opposite location, the third bolt on the bottom left side of the port and the fourth bolt at the opposite location.
       1 TORQUE the bolts (550) to between 45 and 40 lbf.in (0.51 and 0.45 m.daN ) T.
       2 Unscrew the bolts (550) but do not remove them.
       3 Measure the LOCKING TORQUE of each bolt (550). This TORQUE must be to between 15 and 2.2 lbf.in (0.17 and 0.02 m.daN )
T; if not, replace the bolt.
       4 TORQUE the bolts (550) again to between 45 and 40 lbf.in (0.51 and 0.45 m.daN )
T.
       5 Add the LOCKING TORQUE value of the bolts (550) recorded before.
       6 FINAL TORQUE the bolts (550) to between 60 and 42.2 lbf.in (0.68 and 0.48 m.daN )
T.
END OF POST SB 72-0515 AND POST SB 79-0022

   (17) Attach the fuel-in tube (440) and the CLP fuel tube (450) (from FRV) to the bracket (520) on AGB as follows:
     (a) Make sure that plastic bushing and clamp (435) are in their correct position and are in line with the lower side of the bracket (520) on AGB, for the fuel-in tube (440).
     (b) Make sure that plastic bushing and clamp (525) are in their correct position and are in line with the upper side of the bracket (520) on AGB, for the CLP fuel tube (450) (from FRV).
     (c) Engage the bolt (510) from the lower side of the bracket (520) on AGB and attach the 3 clamps (435), (445) and (525) (which share the same attachment) with nut (515). TORQUE nut (515) to between 55 and 50 lbf.in (0.62 and 0.57 m.daN ) T.
   (18) Install the flex-hoses to the nipples and torque the coupling nuts and unions as follows:
CAUTION: USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
  • ONE WRENCH TO HOLD THE UNION, AND
  • ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
THIS PREVENTS DAMAGE TO THE PARTS.
     (a) OVBD tube (300) to nipple (305). TORQUE to between 315 and 300 lbf.in (3.56 and 3.39 m.daN ) T.
     (b) LPTACC hose (270) to nipple (275). TORQUE to between 300 and 270 lbf.in (3.39 and 3.05 m.daN )
T.
     (c) HPTACC hose (285) to nipple (290). TORQUE to between 150 and 135 lbf.in (1.70 and 1.53 m.daN )
T.
     (d) RACCS hose (135) to nipple (140). TORQUE to between 150 and 135 lbf.in (1.70 and 1.53 m.daN )
T.
NOTE: Only applicable for non /P engines.
     (e) TBV HOSE (400) to nipple (410). TORQUE to between 150 and 135 lbf.in (1.70 and 1.53 m.daN )
T.
NOTE: Only applicable for /P and /3 engines.
     (f) PCR hose (230) to nipple (225). TORQUE to between 300 and 270 lbf.in (3.39 and 3.05 m.daN )
T.

PRE CFMI SB 73-0096

     (g) SOV hose (345) to nipple (350). TORQUE to between 150 and 135 lbf.in (1.70 and 1.53 m.daN )
T.
NOTE: Only applicable for SAC engines.

END OF PRE CFMI SB 73-0096

PRE CFMI SB 73-0114

     (h) BSV hose (215) to nipple (210). TORQUE to between 150 and 135 lbf.in (1.70 and 1.53 m.daN )
T.
NOTE: Only applicable for DAC engines.

END OF PRE CFMI SB 73-0114

     (i) VBV closed hose (185) to nipple (180). TORQUE to between 300 and 270 lbf.in (3.39 and 3.05 m.daN )
T.
     (j) VBV open hose (200) to nipple (195). TORQUE to between 530.97 and 442.48 lbf.in (6.00 and 5.00 m.daN )
T.
     (k) VSV rod hose (240) to nipple (245). TORQUE to between 300 and 270 lbf.in (3.39 and 3.05 m.daN )
T.
     (l) VSV head hose (255) to nipple (260). TORQUE to between 530.97 and 442.48 lbf.in (6.00 and 5.00 m.daN )
T.
NOTE: You can do these two last steps after the installation of the inlet bracket (105) and the discharge bracket (120) to get an easy access.
   (19) Install the oil-out tube (35) on the port of the servo fuel heater (50) as follows:
     (a) Examine the re-usable AIPC 73-11-20-01-100 GASKET (30) (Ref. AMM TASK 70-21-00-918-002), replace it if necessary.
     (b) Apply a thin layer of engine oil (Material No.CP2442) to the gasket (30) and install it.
     (c) Apply a thin layer of graphite grease (Material No.CP2101) to the threads of bolts (25) and attach the oil-out tube (35). TORQUE the bolts to between 51 and 47 lbf.in (0.58 and 0.53 m.daN ) T.
   (20) Connect the oil-in tube (15) to the oil tube (45) as follows:
     (a) Apply a thin layer of engine oil (Material No. CP2442) to the threads of the oil tube (45).
     (b) Connect the oil-in tube (15) to the union nut of the oil tube (45). TORQUE the union nut to between 400 and 350 lbf.in (4.52 and 3.96 m.daN )
T.
   (21) If you have done the removal of the aft sump oil supply tube (430) from the AGB, install it as follows:
CAUTION: USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
  • ONE WRENCH TO HOLD THE UNION, AND
  • ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
THIS PREVENTS DAMAGE TO THE PARTS.
     (a) Apply a thin layer of engine oil (Material No. CP2442) to the nipple of the Accessory Gearbox (AGB) and install the tube (430). Tighten the connecting nut by hand.
     (b) Apply a thin layer of graphite compound (Material No. CP2101) to the threads of bolt (420) and safety the aft sump oil supply tube (430) with the clamp (425). Tighten the bolt by hand.
     (c) TORQUE the connecting nut to between 300 and 270 lbf.in (3.39 and 3.05 m.daN ) T and the bolt (420) to between 50 and 45 lbf.in (0.57 and 0.51 m.daN ) T.
   (22) Remove the blanking covers from the open end of the IDG tube (330).
   (23) Examine re-usable AIPC 73-21-10-01-300 GASKET (340) (Ref. AMM TASK 70-21-00-918-002), replace it if necessary.
   (24) Lubricate the AIPC 73-21-10-01-300 GASKET (340) with engine oil (Material No.CP2442) .
   (25) Install the IDG tube (330) to the IDG port on the HMU.
     (a) Install the gasket (340) on the IDG port of the HMU.
     (b) Apply a thin layer of graphite compound (Material No. CP2101) to the threads of bolt (335).
     (c) Install the IDG tube (330) to the HMU and attach with bolts (335). TORQUE the bolts (335) to between 70 and 55 lbf.in (0.79 and 0.62 m.daN ) T.
   (26) Remove the blanking covers from the open end of the return heater hose (315).
   (27) Examine re-usable
AIPC 73-21-10-01-150 GASKET (325) (Ref. AMM TASK 70-21-00-918-002), replace it if necessary.
   (28) Lubricate the AIPC 73-21-10-01-150 GASKET (325) with engine oil (Material No.CP2442) .
   (29) Install the return heater hose (315) to the port on the HMU.
     (a) Install the gasket (325) on the port of the HMU.
     (b) Apply a thin layer of graphite compound (Material No. CP2101) to the threads of bolts (320).
     (c) Install the return heater hose (315) to the HMU and attach with the bolts (320). TORQUE the bolts (320) to between 60 and 55 lbf.in (0.68 and 0.62 m.daN ) T.
   (30) Remove the blanking covers from the electrical cable connectors.
   (31) Connect the electrical connectors, Channel A (130) and Channel B (235), to the HMU. Tighten the connectors by hand plus one-eighth of a turn. If necessary, use PLIERS - NOSE, SOFT, LONG.
   (32) Connect the electrical connector (150) to the latching solenoid. Tighten the connectors by hand plus one-eighth of a turn. If necessary, use PLIERS - NOSE, SOFT, LONG.
   (33) Install the assembled fuel flow transmitter, fuel supply tube, inlet bracket (105), discharge bracket (120) and fuel supply hose to the HMU as follows:
NOTE: If you have disassembled the fuel flow transmitter when you removed the HMU, do the fuel flow transmitter assembly procedure (Ref. AMM TASK 73-31-10-400-002).
     (a) Remove the blanking plugs from the discharge port of the HMU and from the fuel supply tube.
     (b) Remove the blanking plugs from the fuel supply hose and the union (125) of the fuel injection supply tube.
     (c) Examine the re-usable gasket (110) (Ref. AMM TASK 70-21-00-918-002), replace it if necessary.
     (d) Lubricate the AIPC 73-31-10-01-040 GASKET (110) with vaseline (Material No.CP5070) . Install the gasket (110) on the discharge port of the HMU.
     (e) Install the fuel supply tube with bolts (100) to the discharge port of the HMU. Tighten only to finger tight.
     (f) Connect the fuel pump HP tube (PSF) (40) to the union nut of the fuel-in tube (20). Tighten the fuel pump HP tube (PSF) (40) by hand.
     (g) Connect the fuel supply hose to the union (125) of the fuel injection supply tube. Tighten the fuel supply hose with your hand.
NOTE: This step is for engines PRE SB 73-0071.
     (h) Install the discharge bracket (120) on the HMU with bolt (85) and washer (80). Tighten only to finger tight.
     (i) Install the inlet bracket (105) on the HMU with bolt (95) and washer (90). Tighten only to finger tight.
     (j) TORQUE the items as follows:
CAUTION: YOU MUST DO THE STEPS THAT FOLLOW IN SEQUENCE OR DAMAGE TO THE FUEL SUPPLY TUBE OR FUEL FLOW TRANSMITTER COULD OCCUR.
       1 Bolts (100) to between 70 and 55 lbf.in (0.79 and 0.62 m.daN ) T.
       2 Union of fuel pump HP tube (PSF) (40) to between 150 and 135 lbf.in (1.70 and 1.53 m.daN )
T.
       3 Union (125) to between 1100 and 900 lbf.in (12.43 and 10.17 m.daN )
T.
       4 Bolt (85) to between 70 and 55 lbf.in (0.79 and 0.62 m.daN )
T.
       5 Bolt (95) to between 70 and 55 lbf.in (0.79 and 0.62 m.daN )
T.
   (34) Install the loop clamp (65) on the electrical connector (75). Attach the loop clamp (65) to the support bracket with the bolt (70) and the nut (60). TORQUE the bolt (70) to between 50 and 45 lbf.in (0.57 and 0.51 m.daN )
T.
   (35) Remove the blanking caps from the electrical connector (75) and the fuel flow transmitter.
   (36) Connect the electrical connector (75) to the fuel flow transmitter. Tighten the connector (75) by hand plus one-eighth of a turn. If necessary, use PLIERS - NOSE, SOFT, LONG.
   (37) Install the Fuel Nozzle Filter and its brackets as follows:
NOTE: These steps are for engine with SB 73-0071.
     (a) Install the bracket (415) on the frame and attach it with the bolts (400), washers (405) and nuts (410). TORQUE the bolts (400) to between 111 and 101 lbf.in (1.25 and 1.14 m.daN ) T.
     (b) Install the bracket (395) on the frame and attach it with the bolts (390), washers (385) and nuts (380). TORQUE the bolts (390) to between 111 and 101 lbf.in (1.25 and 1.14 m.daN )
T.
     (c) Install the bracket (375) on the frame and attach it with the bolts (360), washers (365) and nuts (370). TORQUE the bolts (360) to between 111 and 101 lbf.in (1.25 and 1.14 m.daN )
T.
     (d) Install the Fuel Nozzle Filter (
Ref. AMM TASK 73-11-45-400-001).
5. Close-up
Subtask 73-11-12-410-052-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) Remove the access platform(s).
   (3) Remove the WARNING NOTICE(S).
Subtask 73-11-12-860-053-A ** ON A/C NOT FOR ALL
B. Do the EIS start procedure (upper and lower ECAM display units only) (Ref. AMM TASK 31-60-00-860-001).
Subtask 73-11-12-865-055-A ** ON A/C NOT FOR ALL
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
FOR FIN: 1000EM1 (ENGINE1)
49VUFUEL/LP VALVE/MOT1/ENG11QGA08
121VUFUEL/LP VALVE/MOT2/ENG13QGM25
FOR FIN: 1000EM2 (ENGINE2)
49VUFUEL/LP VALVE/MOT1/ENG22QGA09
121VUFUEL/LP VALVE/MOT2/ENG24QGM26
Subtask 73-11-12-710-053-A ** ON A/C NOT FOR ALL
D. Operational Test
   (1) Do a wet motoring check (Ref. AMM TASK 71-00-00-710-002).
   (2) Do a minimum idle check (Ref. AMM TASK 71-00-00-710-006) and check for leaks.
   (3) Do a FADEC ground test (Ref. AMM TASK 73-29-00-710-040).
   (4) Remove containers under the engine.
Subtask 73-11-12-420-055-A ** ON A/C NOT FOR ALL Subtask 73-11-12-410-053-A ** ON A/C NOT FOR ALL Subtask 73-11-12-862-051-A ** ON A/C NOT FOR ALL
G. De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.04.01 02:57:42 UTC