DOC AIRBUS | AMM A320FInstallation of the Power Plant Flexible Fuel Tubes [IAE]
TASK 73-11-48-400-010-A
Installation of the Power Plant Flexible Fuel Tubes
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 73-11-48-941-056-A ** ON A/C NOT FOR ALL
Subtask 73-11-48-420-052-A ** ON A/C NOT FOR ALL
Subtask 73-11-48-410-054-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 03:00:13 UTC
Installation 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.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.V02-138) | lockwire |
| (Material No.V02-141A) | lockwire |
| (Material No.V04-019) | liquid moly NV thread compound |
| (Material No.V10-038) | petroleum |
| (Material No.V10-060) | liquid paraffin |
| (Material No.V10-077) | lubricant (engine oil) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR | |
| 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 70-40-11-911-012-A | General Instructions for the Uses of Lockwire |
| TASK 71-00-00-710-012-B | Test No.3 : Idle Leak Check |
| TASK 71-00-00-710-045-A | Test No.1 : Dry 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) |
Flexible Fuel TubesSubtask 73-11-48-941-056-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 73-11-48-010-057-A ** ON A/C NOT FOR ALL (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).
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 73-11-48-630-050-A ** ON A/C NOT FOR ALL (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
C. Remove the applicable covers/caps/plugs from all the openings.
4. ProcedureSubtask 73-11-48-420-052-A ** ON A/C NOT FOR ALL
A. Install the flexible fuel tubes.
(1) Install the fuel tube (1) as follows:
(a) Lubricate the threads on the union (14) and the fuel tube (1) with liquid moly NV thread compound (Material No.V04-019) .
(b) Put the fuel tube in the correct position for the installation.
(c) Connect the fuel tube to the union (14) on the mounting bracket (13). Tighten the fuel tube with your hand.
(d) ApplyV10-077 lubricant (engine oil)
(e) Put the new gasket (8) on the fuel tube (Ref. AMM TASK 70-23-13-911-010).
(f) Attach the fuel tube to the pylon interface with the washers (7) and the bolts (6).
(g) TORQUE the bolts (6) to between 38.5 and 31.5 lbf.in (0.44 and 0.36 m.daN )
(Ref. AMM TASK 70-23-11-911-013).
(h) Safety the bolts:
(i) Tighten the fuel tube connector:
(Ref. AMM TASK 70-23-11-911-013).
(2) Install the fuel tube (2) as follows:
(a) Lubricate the threads on the union (12) and the fuel tube (2) with liquid paraffin (Material No.V10-060) or petroleum (Material No.V10-038) .
(b) Put the fuel tube in the correct position for the installation.
(c) Connect the fuel tube to the union (12) on the mounting bracket. Tighten the fuel tube with your hand.
(d) ApplyV10-077 lubricant (engine oil)
(e) Put the new gasket (9) on the fuel tube (Ref. AMM TASK 70-23-13-911-010).
(f) Attach the fuel tube to the pylon interface with the washers (10) and the bolts (11).
(g) TORQUE the bolts (11) to between 110 and 90 lbf.in (1.24 and 1.02 m.daN ) (Ref. AMM TASK 70-23-11-911-013).
(h) Safety the bolts:
(i) Tighten the fuel tube connector:
(Ref. AMM TASK 70-23-11-911-013).
(j) Safety the fuel tube (1) and fuel tube (2) connectors:
(3) Install the spacer block assembly (5) as follows:
(a) Put the spacer block around the fuel tubes in the correct position for the installation.
(b) Attach the steel band (4) around the spacer block and turn the screw (3) clockwise until it is in the locked position.
(c) TORQUE the screw (3) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ).
5. Close-up(1) Install the fuel tube (1) as follows:
(a) Lubricate the threads on the union (14) and the fuel tube (1) with liquid moly NV thread compound (Material No.V04-019) .
(b) Put the fuel tube in the correct position for the installation.
(c) Connect the fuel tube to the union (14) on the mounting bracket (13). Tighten the fuel tube with your hand.
(d) Apply
(e) Put the new gasket (8) on the fuel tube (Ref. AMM TASK 70-23-13-911-010).
(f) Attach the fuel tube to the pylon interface with the washers (7) and the bolts (6).
(g) TORQUE the bolts (6) to between 38.5 and 31.5 lbf.in (0.44 and 0.36 m.daN )
(Ref. AMM TASK 70-23-11-911-013). (h) Safety the bolts:
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
1 Safety the bolts (6) with lockwire (Material No.V02-138) (Ref. AMM TASK 70-40-11-911-012)(i) Tighten the fuel tube connector:
CAUTION:
HOLD THE UNIONS DURING THE TORQUE PROCEDURE TO PREVENT DAMAGE TO THE RIGID FUEL HOSES.
1 TORQUE the fuel tube connector to between 510 and 470 lbf.in (5.76 and 5.31 m.daN ) (Ref. AMM TASK 70-23-11-911-013). (2) Install the fuel tube (2) as follows:
(a) Lubricate the threads on the union (12) and the fuel tube (2) with liquid paraffin (Material No.V10-060) or petroleum (Material No.V10-038) .
(b) Put the fuel tube in the correct position for the installation.
(c) Connect the fuel tube to the union (12) on the mounting bracket. Tighten the fuel tube with your hand.
(d) Apply
(e) Put the new gasket (9) on the fuel tube (Ref. AMM TASK 70-23-13-911-010).
(f) Attach the fuel tube to the pylon interface with the washers (10) and the bolts (11).
(g) TORQUE the bolts (11) to between 110 and 90 lbf.in (1.24 and 1.02 m.daN )
(Ref. AMM TASK 70-23-11-911-013). (h) Safety the bolts:
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
1 Safety the bolts (11) with lockwire (Material No.V02-138) (Ref. AMM TASK 70-40-11-911-012)(i) Tighten the fuel tube connector:
CAUTION:
HOLD THE UNIONS DURING THE TORQUE PROCEDURE TO PREVENT DAMAGE TO THE RIGID FUEL HOSES.
1 TORQUE the fuel tube connector to between 1100 and 1000 lbf.in (12.43 and 11.30 m.daN ) (Ref. AMM TASK 70-23-11-911-013). (j) Safety the fuel tube (1) and fuel tube (2) connectors:
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
1 Safety the fuel tube (1) and fuel tube (2) connectors with lockwire (Material No.V02-141A) (Ref. AMM TASK 70-40-11-911-012).(3) Install the spacer block assembly (5) as follows:
(a) Put the spacer block around the fuel tubes in the correct position for the installation.
(b) Attach the steel band (4) around the spacer block and turn the screw (3) clockwise until it is in the locked position.
(c) TORQUE the screw (3) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN )
. Subtask 73-11-48-410-054-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 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).
Subtask 73-11-48-790-050-B ** ON A/C NOT FOR ALL (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).
B. Test requirements
(1) Do an idle leak check (Ref. AMM TASK 71-00-00-710-012).
(1) Do an idle leak check (Ref. AMM TASK 71-00-00-710-012).
NOTE: A dry motor leak check (Ref. AMM TASK 71-00-00-710-045) 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).