Operational Check of LP Shut Off Valves and Their Controls to Ensure No Flow When Selected Closed With Booster Pump On
TASK 28-24-00-790-003-A
Operational Check of LP Shut Off Valves and Their Controls to Ensure No Flow When Selected Closed With Booster Pump On
Refer to the MPD TASK: 282400-01
OPERATIONAL CHECK OF LP SHUT OFF VALVES AND THEIR CONTROLS TO ENSURE NO FLOW WHEN SELECTED CLOSED WITH BOOSTER PUMP ON
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 28-24-00-941-057-A
Subtask 28-24-00-860-083-A
[Rev.10 from 2021]
2026.04.02 06:17:34 UTC
Operational Check of LP Shut Off Valves and Their Controls to Ensure No Flow When Selected Closed With Booster Pump On
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
WARNING:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobRefer to the MPD TASK: 282400-01
OPERATIONAL CHECK OF LP SHUT OFF VALVES AND THEIR CONTROLS TO ENSURE NO FLOW WHEN SELECTED CLOSED WITH BOOSTER PUMP ON
NOTE: Two person are necessary to do this task. One person to operate the fuel pumps from the cockpit and one person to monitor the fuel flow.
NOTE: You can also do this task during the engine removal before the task interval.
2. Job Set-up InformationA. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE |
| No specific | AR | CONTAINER - CLEAN, APPLICABLE |
| No specific | AR | CONTAINER 200 L (53 USGAL) |
| No specific | AR | CONTAINER 20L (5 USGAL) |
| No specific | AR | CONTAINER 4 L (1 USGAL) |
| No specific | 1 | PLUG - BLANKING |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| No specific | Torque wrench: range to between 0.62 and 0.51 m.daN (54.87 and 45.13 lbf.in ) ![]() | |
| No specific | Torque wrench: range to between 1.13 and 1.02 m.daN (100.00 and 90.27 lbf.in ) ![]() | |
| No specific | Torque wrench: range to between 1.36 and 1.24 m.daN (120.35 and 109.73 lbf.in ) ![]() | |
| 98D27803000000 | 1 | LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION |
| REFERENCE | DESIGNATION |
|---|---|
| (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 |
| (Material No.CP8006) | safety cable 0.032 in. (0.8 mm) dia. |
| (Material No.P03-001) | lubricant, aircraft turbine engine |
| (Material No.V02-147) | lockwire |
| (Material No.V10-077) | lubricant (engine oil) |
| (Material No.01ABA1) | Turbine Fuel-- Kerosene - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 210 | CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD |
| 430 | ENG 1 AIR INTAKE, FAN AND ACCESS GEARBOX |
| 440 | ENG 2 AIR INTAKE, FAN AND ACCESS GEARBOX |
| 520 | LEFT WING FIXED LEADING EDGE |
| 620 | RIGHT WING FIXED LEADING EDGE |
| 522AT, 622AT | |
| FOR [12QM] (VALVE-LP FUEL, ENG 1) | |
| 522AT | |
| FOR [13QM] (VALVE-LP FUEL, ENG 2) | |
| 622AT | |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 2 | PACKING | EIPC 73-11-02-01-280 |
| 2 | PACKING | AIPC 73-11-10-01-147 |
| 2 | PACKING | AIPC 73-11-10-01-290 |
| 1 | PACKING | AIPC 73-12-42-80-070 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-11-28-650-003-A | Pressure Refuel with Automatic Control |
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| 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 28-00-00-910-001-A | Fuel Safety Procedures |
| TASK 28-24-00-710-803-A | Operational Check of LP Shut Off Valves including Operation by Individual Motors |
| TASK 31-60-00-860-001-A | EIS Start Procedure |
| TASK 31-60-00-860-002-A | EIS Stop Procedure |
| 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 71-13-00-010-010-A | Opening of the Fan Cowls 437AL(447AL),438AR(448AR) |
| TASK 71-13-00-010-040-A | Opening of the Fan Cowl Doors |
| TASK 71-13-00-010-040-B | Opening of the Fan Cowl Doors |
| TASK 71-13-00-010-802-A | Opening of the Fan Cowl Doors |
| TASK 71-13-00-410-010-A | Closing of the Fan Cowls 437AL(447AL),438AR(448AR) |
| TASK 71-13-00-410-040-A | Closing of the Fan Cowl Doors |
| TASK 71-13-00-410-040-B | Closing of the Fan Cowl Doors |
| TASK 71-13-00-410-802-A | Closing of the Fan Cowl Doors |
| TASK 73-11-11-000-040-A | Removal of the Main Fuel Supply Hose |
| TASK 73-11-11-000-041-A | Removal of the Main Fuel Supply Hose |
| TASK 73-11-11-400-040-A | Installation of the Main Fuel Supply Hose |
| TASK 73-11-11-400-041-A | Installation of the Main Fuel Supply Hose |
| TASK 73-11-48-000-010-A | Removal of the Power Plant Flexible Fuel Tubes |
| TASK 73-11-48-000-802-A | Removal of the Main Fuel Line |
| TASK 73-11-48-400-010-A | Installation of the Power Plant Flexible Fuel Tubes |
| TASK 73-11-48-400-802-A | Installation of the Main Fuel Line |
| FOR [12QM] (VALVE-LP FUEL, ENG 1) | |
| TASK 57-41-37-000-003-A | Removal of the Access Panel |
| TASK 57-41-37-400-003-A | Installation of the Access Panel |
| FOR [13QM] (VALVE-LP FUEL, ENG 2) | |
| TASK 57-41-37-000-003-A | Removal of the Access Panel |
| TASK 57-41-37-400-003-A | Installation of the Access Panel |
Subtask 28-24-00-941-057-A
A. Safety Precautions
(2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
Subtask 28-24-00-860-056-A WARNING:
OBEY THE FUEL SAFETY PROCEDURES.
(1) You must obey the fuel safety procedures when you do work on the fuel system (Ref. AMM TASK 28-00-00-910-001). (2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
B. Aircraft Maintenance Configuration
(1) Make sure each wing fuel tank contains a minimum of 1000 kg (2205 lb) of fuel. Refuel if necessary (Ref. AMM TASK 12-11-28-650-003).
(2) On overhead panel 20VU, make sure that the ENG 1 and ENG 2 FIRE pushbutton switches (P/BSW) are in the closed and guarded position.
(3) On engine panel 115VU, make sure that the ENG/MASTER 1 and ENG/MASTER 2 switches are in the OFF position.
(4) Make sure that there is a WARNING NOTICE(S) on overhead panel 20VU, to tell persons not to operate the ENG 1 and ENG 2 FIRE pushbutton switches.
(5) Make sure that there is a WARNING NOTICE(S) on engine panel 115VU, to tell persons not to operate the ENG/MASTER 1 and 2 switches.
(6) On flaps panel 114VU:
(a) Install a 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever.
(b) Put a WARNING NOTICE(S) in position on the flap/slat control lever to tell persons not to operate the flap/slat controls.
(7) On the SD FUEL page, make sure that the crossfeed valve indication shows green cross-line (valve closed).
Subtask 28-24-00-010-054-A ** ON A/C NOT FOR ALL (1) Make sure each wing fuel tank contains a minimum of 1000 kg (2205 lb) of fuel. Refuel if necessary (Ref. AMM TASK 12-11-28-650-003).
(2) On overhead panel 20VU, make sure that the ENG 1 and ENG 2 FIRE pushbutton switches (P/BSW) are in the closed and guarded position.
(3) On engine panel 115VU, make sure that the ENG/MASTER 1 and ENG/MASTER 2 switches are in the OFF position.
(4) Make sure that there is a WARNING NOTICE(S) on overhead panel 20VU, to tell persons not to operate the ENG 1 and ENG 2 FIRE pushbutton switches.
(5) Make sure that there is a WARNING NOTICE(S) on engine panel 115VU, to tell persons not to operate the ENG/MASTER 1 and 2 switches.
(6) On flaps panel 114VU:
(a) Install a 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever.
(b) Put a WARNING NOTICE(S) in position on the flap/slat control lever to tell persons not to operate the flap/slat controls.
(7) On the SD FUEL page, make sure that the crossfeed valve indication shows green cross-line (valve closed).
C. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position adjacent to the applicable pylon.
(2) Open the engine fan-cowl doors (Ref. AMM TASK 71-13-00-010-040).
(3) Remove these access panels:
(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
522AT (Ref. AMM TASK 57-41-37-000-003).
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
622AT (Ref. AMM TASK 57-41-37-000-003).
(4) Keep the slats in the deployed position.
Subtask 28-24-00-010-054-B ** ON A/C NOT FOR ALL (1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position adjacent to the applicable pylon.
(2) Open the engine fan-cowl doors (Ref. AMM TASK 71-13-00-010-040).
(3) Remove these access panels:
(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
522AT (Ref. AMM TASK 57-41-37-000-003).
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
622AT (Ref. AMM TASK 57-41-37-000-003).
(4) Keep the slats in the deployed position.
C. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position adjacent to the applicable pylon.
(2) Open the engine fan-cowl doors (Ref. AMM TASK 71-13-00-010-010).
(3) Remove these access panels:
(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
522AT (Ref. AMM TASK 57-41-37-000-003).
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
622AT (Ref. AMM TASK 57-41-37-000-003).
(4) Keep the slats in the deployed position.
Subtask 28-24-00-010-054-E ** ON A/C NOT FOR ALL (1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position adjacent to the applicable pylon.
(2) Open the engine fan-cowl doors (Ref. AMM TASK 71-13-00-010-010).
(3) Remove these access panels:
(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
522AT (Ref. AMM TASK 57-41-37-000-003).
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
622AT (Ref. AMM TASK 57-41-37-000-003).
(4) Keep the slats in the deployed position.
C. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position adjacent to the applicable pylon.
(2) Open the engine fan-cowl doors (Ref. AMM TASK 71-13-00-010-802).
(3) Remove these access panels:
(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
522AT (Ref. AMM TASK 57-41-37-000-003).
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
622AT (Ref. AMM TASK 57-41-37-000-003).
(4) Keep the slats in the deployed position.
4. Procedure(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position adjacent to the applicable pylon.
(2) Open the engine fan-cowl doors (Ref. AMM TASK 71-13-00-010-802).
(3) Remove these access panels:
(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
522AT (Ref. AMM TASK 57-41-37-000-003).
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
622AT (Ref. AMM TASK 57-41-37-000-003).
(4) Keep the slats in the deployed position.
WARNING:
WHEN YOU OPERATE THE FUEL PUMPS DURING A MAINTENANCE PROCEDURE, A MAINTENANCE PERSON MUST BE IN THE COCKPIT. THIS PERSON MUST STOP THE PUMPS WHEN THE LOW PRESSURE FAULT LIGHT(S) (ON PANEL 40VU) COME ON, TO PREVENT OPERATION OF THE PUMPS(S) WITHOUT FUEL ('DRY RUNNING'). OPERATION OF THE PUMPS WITHOUT FUEL CAN CAUSE A FIRE.
Subtask 28-24-00-710-059-A A. Operational Test
(1) Do an operational check of the applicable LP shut-off valves (Ref. AMM TASK 28-24-00-710-803):
(a) Make sure that access panels 522AT ( 622AT) are not installed after this procedure.
Subtask 28-24-00-860-057-A (1) Do an operational check of the applicable LP shut-off valves (Ref. AMM TASK 28-24-00-710-803):
(a) Make sure that access panels 522AT ( 622AT) are not installed after this procedure.
B. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Do the EIS start procedure (ECAM only) (Ref. AMM TASK 31-60-00-860-001).
(3) In the cockpit, on ECAM control-panel 11VU:
(a) Push the FUEL pushbutton switch to get the FUEL system page on the ECAM lower display-unit.
Subtask 28-24-00-865-064-A (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Do the EIS start procedure (ECAM only) (Ref. AMM TASK 31-60-00-860-001).
(3) In the cockpit, on ECAM control-panel 11VU:
(a) Push the FUEL pushbutton switch to get the FUEL system page on the ECAM lower display-unit.
C. Open, safety and tag this(these) circuit breaker(s):
Subtask 28-24-00-865-065-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B06 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B01 |
| ** ON A/C ALL | |||
| 121VU | FLIGHT CONTROLS/SLT/CTL/SYS2 | 7CV | R21 |
D. Make sure that this(these) circuit breaker(s) is(are) closed:
Subtask 28-24-00-680-050-B ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 49VU | FUEL/LP VALVE/MOT1/ENG2 | 2QG | A09 |
| 49VU | FUEL/LP VALVE/MOT1/ENG1 | 1QG | A08 |
| 121VU | FUEL/LP VALVE/MOT2/ENG2 | 4QG | M26 |
| 121VU | FUEL/LP VALVE/MOT2/ENG1 | 3QG | M25 |
E. Drain the remaining fuel from the engine and the pylon fuel hose at the fuel filter as follows:
(1) Put a CONTAINER - CLEAN, APPLICABLE under the fuel filter.
(3) Remove the fuel drain plug (2) from the fuel filter.
(4) Remove and discard the packing (1) from the fuel drain plug (2).
(5) Drain the fuel into the container.
Subtask 28-24-00-860-058-B ** ON A/C NOT FOR ALL (1) Put a CONTAINER - CLEAN, APPLICABLE under the fuel filter.
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.
(2) Cut, remove and discard the lockwire from the fuel drain plug (2). (3) Remove the fuel drain plug (2) from the fuel filter.
(4) Remove and discard the packing (1) from the fuel drain plug (2).
(5) Drain the fuel into the container.
NOTE: Do not put fuel that you drained from the engine back into the fuel system.
F. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(2) Put a WARNING NOTICE(S) in position to tell persons not to energize the aircraft electrical circuits.
(3) Put a CONTAINER - CLEAN, APPLICABLE below the fuel feed-line to collect fuel spillage.
(Ref. AMM TASK 24-41-00-861-002).
Subtask 28-24-00-680-050-C ** ON A/C NOT FOR ALL (1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(2) Put a WARNING NOTICE(S) in position to tell persons not to energize the aircraft electrical circuits.
(3) Put a CONTAINER - CLEAN, APPLICABLE below the fuel feed-line to collect fuel spillage.
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU DO WORK ON OR NEAR THE FUEL SYSTEM. THE FUEL IS POISONOUS AND CAN GO THROUGH YOUR SKIN AND INTO YOUR BODY.
(4) Disconnect the main fuel feed-line at: - The fluid disconnect panel (top end)
or - The rigid fuel feed-line (lower end) (Ref. AMM TASK 73-11-48-000-010).
(Ref. AMM TASK 24-41-00-861-002).
G. Drain the remaining fuel from the engine and the pylon fuel hose at the fuel filter as follows:
(1) Put a CONTAINER 4 L (1 USGAL) under the fuel filter.
(3) Remove the fuel drain plug (1) from the fuel filter.
(4) Remove and discard the packing (2) from the fuel drain plug (1).
(5) Drain the fuel into the container.
Subtask 28-24-00-860-058-A ** ON A/C NOT FOR ALL (1) Put a CONTAINER 4 L (1 USGAL) under the fuel filter.
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.
(2) Cut, remove and discard the lockwire from the fuel drain plug (1). (3) Remove the fuel drain plug (1) from the fuel filter.
(4) Remove and discard the packing (2) from the fuel drain plug (1).
(5) Drain the fuel into the container.
NOTE: Do not put fuel that you drained from the engine back into the fuel system.
H. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(2) Put a WARNING NOTICE(S) in position to tell persons not to energize the aircraft electrical circuits.
(3) Put a CONTAINER - CLEAN, APPLICABLE below the fuel feed-line to collect fuel spillage.
(Ref. AMM TASK 24-41-00-861-002).
Subtask 28-24-00-680-050-D ** ON A/C NOT FOR ALL (1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(2) Put a WARNING NOTICE(S) in position to tell persons not to energize the aircraft electrical circuits.
(3) Put a CONTAINER - CLEAN, APPLICABLE below the fuel feed-line to collect fuel spillage.
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU DO WORK ON OR NEAR THE FUEL SYSTEM. THE FUEL IS POISONOUS AND CAN GO THROUGH YOUR SKIN AND INTO YOUR BODY.
(4) Disconnect the main fuel feed-line at: Disconnect the main fuel feed-line at: - The fluid disconnect panel (top end)
or - The fuel manifold duct (lower end) (Ref. AMM TASK 73-11-11-000-040).
(Ref. AMM TASK 24-41-00-861-002).
I. Drain the remaining fuel from the engine and the pylon fuel hose at the fuel filter as follows:
(1) Put a CONTAINER 4 L (1 USGAL) under the fuel filter.
(3) Remove the fuel drain plug (1) from the fuel filter.
(4) Remove and discard the packing (2) from the fuel drain plug (1).
(5) Drain the fuel into the container.
Subtask 28-24-00-860-058-C ** ON A/C NOT FOR ALL (1) Put a CONTAINER 4 L (1 USGAL) under the fuel filter.
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.
(2) Cut, remove and discard the lockwire or safety cable from the fuel drain plug (1). (3) Remove the fuel drain plug (1) from the fuel filter.
(4) Remove and discard the packing (2) from the fuel drain plug (1).
(5) Drain the fuel into the container.
NOTE: Do not put fuel that you drained from the engine back into the fuel system.
J. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(2) Put a WARNING NOTICE(S) in position to tell persons not to energize the aircraft electrical circuits.
(3) Put a CONTAINER - CLEAN, APPLICABLE below the fuel feed-line to collect fuel spillage.
(Ref. AMM TASK 24-41-00-861-002).
Subtask 28-24-00-680-050-E ** ON A/C NOT FOR ALL (1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(2) Put a WARNING NOTICE(S) in position to tell persons not to energize the aircraft electrical circuits.
(3) Put a CONTAINER - CLEAN, APPLICABLE below the fuel feed-line to collect fuel spillage.
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU DO WORK ON OR NEAR THE FUEL SYSTEM. THE FUEL IS POISONOUS AND CAN GO THROUGH YOUR SKIN AND INTO YOUR BODY.
(4) Disconnect the main fuel feed-line at: - The fluid disconnect panel (top end)
or - The fuel manifold duct (lower end) (Ref. AMM TASK 73-11-11-000-041).
(Ref. AMM TASK 24-41-00-861-002).
K. Drain the remaining fuel from the engine and the pylon fuel hose at the fuel manifold as follows:
(1) Put a CONTAINER 20L (5 USGAL) in position below the fuel manifold.
(2) Loosen the drain plug bolt (3), turn and remove the fuel drain plug (1).
(3) Remove and discard the packing (2) from the fuel drain plug (1).
(4) Drain the fuel into the CONTAINER 20L (5 USGAL).
(a) Make sure that you do not put fuel that you drained from the engine back into the fuel system.
Subtask 28-24-00-860-058-F ** ON A/C NOT FOR ALL (1) Put a CONTAINER 20L (5 USGAL) in position below the fuel manifold.
(2) Loosen the drain plug bolt (3), turn and remove the fuel drain plug (1).
(3) Remove and discard the packing (2) from the fuel drain plug (1).
(4) Drain the fuel into the CONTAINER 20L (5 USGAL).
(a) Make sure that you do not put fuel that you drained from the engine back into the fuel system.
L. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(2) Put a WARNING NOTICE(S) in position to tell persons not to energize the aircraft electrical circuits.
(3) Put a CONTAINER - CLEAN, APPLICABLE below the fuel feed-line to collect fuel spillage.
(Ref. AMM TASK 24-41-00-861-002).
Subtask 28-24-00-790-054-A ** ON A/C NOT FOR ALL (1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(2) Put a WARNING NOTICE(S) in position to tell persons not to energize the aircraft electrical circuits.
(3) Put a CONTAINER - CLEAN, APPLICABLE below the fuel feed-line to collect fuel spillage.
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU DO WORK ON OR NEAR THE FUEL SYSTEM. THE FUEL IS POISONOUS AND CAN GO THROUGH YOUR SKIN AND INTO YOUR BODY.
(4) Disconnect the main fuel feed-line at: - The pylon disconnect panel (top end)
or - The main fuel pump (lower end) (Ref. AMM TASK 73-11-48-000-802).
(Ref. AMM TASK 24-41-00-861-002).
M. Do this test for each LP valve 12QM(13QM)
(1) Do the steps that follow:
(2) If you find a fuel leakage, repair the leak:
Subtask 28-24-00-790-054-B ** ON A/C NOT FOR ALL (1) Do the steps that follow:
| ACTION | RESULT |
|---|---|
1.On the ECAM lower display-unit:
| |
2.On fuel panel 40VU:
| On fuel panel 40VU:
|
| | The fuel feed-line to the LP valve is pressurized. |
3.Keep the fuel feed line pressurized for three minutes, then examine these parts for fuel leakage:
| |
4.On fuel panel 40VU:
| On fuel panel 40VU:
|
- Do this test again.
M. Do this test for each LP valve 12QM(13QM)
(1) Do the steps that follow:
(2) If you find a fuel leakage, repair the leak:
Subtask 28-24-00-790-054-C ** ON A/C NOT FOR ALL (1) Do the steps that follow:
| ACTION | RESULT |
|---|---|
1.On the ECAM lower display-unit:
| |
2.On fuel panel 40VU:
| On fuel panel 40VU:
|
| | The fuel feed-line to the LP valve is pressurized. |
3.Keep the fuel feed line pressurized for three minutes, then examine these parts for fuel leakage:
| |
4.On fuel panel 40VU:
| On fuel panel 40VU:
|
- Do this test again.
M. Do this test for each LP valve 12QM(13QM)
(1) Do the steps that follow:
(2) If you find a fuel leakage, repair the leak:
Subtask 28-24-00-860-059-A ** ON A/C NOT FOR ALL (1) Do the steps that follow:
| ACTION | RESULT |
|---|---|
1.On the ECAM lower display-unit:
| |
2.On fuel panel 40VU:
| On fuel panel 40VU:
|
| | The fuel feed-line to the LP valve is pressurized. |
3.Keep the fuel feed line pressurized for three minutes, then examine these parts for fuel leakage:
| |
4.On fuel panel 40VU:
| On fuel panel 40VU:
|
- Do this test again.
N. Aircraft Maintenance Configuration
(1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(3) Connect the disconnected end of the main fuel-feed line (Ref. AMM TASK 73-11-11-400-040).
(4) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(5) Do the EIS start procedure (ECAM only) (Ref. AMM TASK 31-60-00-860-001).
Subtask 28-24-00-860-059-B ** ON A/C NOT FOR ALL (1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(3) Connect the disconnected end of the main fuel-feed line (Ref. AMM TASK 73-11-11-400-040).
(4) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(5) Do the EIS start procedure (ECAM only) (Ref. AMM TASK 31-60-00-860-001).
N. Aircraft Maintenance Configuration
(1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(3) Connect the disconnected end of the main fuel-feed line (Ref. AMM TASK 73-11-48-400-010).
(4) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(5) Do the EIS start procedure (ECAM only) (Ref. AMM TASK 31-60-00-860-001).
Subtask 28-24-00-860-059-C ** ON A/C NOT FOR ALL (1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(3) Connect the disconnected end of the main fuel-feed line (Ref. AMM TASK 73-11-48-400-010).
(4) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(5) Do the EIS start procedure (ECAM only) (Ref. AMM TASK 31-60-00-860-001).
N. Aircraft Maintenance Configuration
(1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(3) Connect the disconnected end of the main fuel-feed line (Ref. AMM TASK 73-11-11-400-041).
(4) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(5) Do the EIS start procedure (ECAM only) (Ref. AMM TASK 31-60-00-860-001).
Subtask 28-24-00-860-059-F ** ON A/C NOT FOR ALL (1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(3) Connect the disconnected end of the main fuel-feed line (Ref. AMM TASK 73-11-11-400-041).
(4) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(5) Do the EIS start procedure (ECAM only) (Ref. AMM TASK 31-60-00-860-001).
N. Aircraft Maintenance Configuration
(1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(3) Connect the disconnected end of the main fuel-feed line (Ref. AMM TASK 73-11-48-400-802).
(4) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(5) Do the EIS start procedure (ECAM only) (Ref. AMM TASK 31-60-00-860-001).
Subtask 28-24-00-020-052-A (1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(3) Connect the disconnected end of the main fuel-feed line (Ref. AMM TASK 73-11-48-400-802).
(4) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(5) Do the EIS start procedure (ECAM only) (Ref. AMM TASK 31-60-00-860-001).
O. Put a CONTAINER 200 L (53 USGAL) in position below the fuel filter.
Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL
Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL
Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL
(1) Do a check of the fuel flow during the test:
(a) Make sure that you do not put fuel that you drained from the engine back into the fuel system.
Subtask 28-24-00-420-054-B ** ON A/C NOT FOR ALL
Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL
Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL
Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL (a) Make sure that you do not put fuel that you drained from the engine back into the fuel system.
P. Installation of Fuel Drain-Plug 12QM (13QM)
(1) Install the fuel drain plug (1) on the fuel manifold as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine to the new EIPC 73-11-02-01-280 PACKING (2).
(b) Install the packing (2) on the fuel drain plug (1).
(c) Install and turn the fuel drain plug (1) below the washer (4) and the drain plug bolt (3).
(d) TORQUE the drain plug bolt (3) to between 1.13 and 1.02 m.daN (100.00 and 90.27 lbf.in )
Subtask 28-24-00-420-054-D ** ON A/C NOT FOR ALL (1) Install the fuel drain plug (1) on the fuel manifold as follows:
(a) Apply
(b) Install the packing (2) on the fuel drain plug (1).
(c) Install and turn the fuel drain plug (1) below the washer (4) and the drain plug bolt (3).
(d) TORQUE the drain plug bolt (3) to between 1.13 and 1.02 m.daN (100.00 and 90.27 lbf.in )

P. Installation of Fuel Drain-Plug 12QM (13QM)
(1) Install the fuel drain plug (2) on the fuel filter as follows:
(a) Lubricate a new AIPC 73-12-42-80-070 PACKING (1) with cleanV10-077 lubricant (engine oil) (Ref. AMM TASK 70-23-13-911-010).
(b) Install the packing (1) on the fuel drain plug (2).
(c) Install the fuel drain plug (2) on the fuel filter.
(d) TORQUE the fuel drain plug (2) to between 1.36 and 1.24 m.daN (120.35 and 109.73 lbf.in )
(Ref. AMM TASK 70-23-11-911-013).
Subtask 28-24-00-420-054-E ** ON A/C NOT FOR ALL (1) Install the fuel drain plug (2) on the fuel filter as follows:
(a) Lubricate a new AIPC 73-12-42-80-070 PACKING (1) with clean
(b) Install the packing (1) on the fuel drain plug (2).
(c) Install the fuel drain plug (2) on the fuel filter.
(d) TORQUE the fuel drain plug (2) to between 1.36 and 1.24 m.daN (120.35 and 109.73 lbf.in )
(Ref. AMM TASK 70-23-11-911-013). 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.
(e) Safety the fuel drain plug with the lockwire (Material No.V02-147) . P. Installation of Fuel Drain-Plug 12QM (13QM)
(1) Install the fuel drain plug (1) on the fuel filter as follows:
(a) Soak the new AIPC 73-11-10-01-147 PACKING (2) in Turbine Fuel-- Kerosene - (Material No.01ABA1) .
(b) Lubricate the packing (2) with vaseline (Material No.CP5070) .
(c) Install the packing (2) on the fuel drain plug (1).
(d) Install the fuel drain plug (1) on the fuel filter.
(e) TORQUE the fuel drain plug (1) to between 0.62 and 0.51 m.daN (54.87 and 45.13 lbf.in )
.
CP8001 lockwire 0.032 in. (0.8 mm) dia. or with the CP8006 safety cable 0.032 in. (0.8 mm) dia. .
Subtask 28-24-00-420-054-F ** ON A/C NOT FOR ALL (1) Install the fuel drain plug (1) on the fuel filter as follows:
(a) Soak the new AIPC 73-11-10-01-147 PACKING (2) in Turbine Fuel-- Kerosene - (Material No.01ABA1) .
(b) Lubricate the packing (2) with vaseline (Material No.CP5070) .
(c) Install the packing (2) on the fuel drain plug (1).
(d) Install the fuel drain plug (1) on the fuel filter.
(e) TORQUE the fuel drain plug (1) to between 0.62 and 0.51 m.daN (54.87 and 45.13 lbf.in )
. 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.
(f) Safety the fuel drain plug (1) with the P. Installation of Fuel Drain-Plug 12QM (13QM)
(1) Install the fuel drain plug (1) on the fuel filter as follows:
(a) Soak the new AIPC 73-11-10-01-290 PACKING (2) in Turbine Fuel-- Kerosene - (Material No.01ABA1) .
(b) Lubricate the packing (2) with vaseline (Material No.CP5070) .
(c) Install the packing (2) on the fuel drain plug (1).
(d) Install the fuel drain plug (1) on the fuel filter.
(e) TORQUE the fuel drain plug (1) to between 0.62 and 0.51 m.daN (54.87 and 45.13 lbf.in )
.
CP8001 lockwire 0.032 in. (0.8 mm) dia. or with the CP8002 lockwire 0.032 in. (0.8 mm) dia .
Subtask 28-24-00-420-055-B (1) Install the fuel drain plug (1) on the fuel filter as follows:
(a) Soak the new AIPC 73-11-10-01-290 PACKING (2) in Turbine Fuel-- Kerosene - (Material No.01ABA1) .
(b) Lubricate the packing (2) with vaseline (Material No.CP5070) .
(c) Install the packing (2) on the fuel drain plug (1).
(d) Install the fuel drain plug (1) on the fuel filter.
(e) TORQUE the fuel drain plug (1) to between 0.62 and 0.51 m.daN (54.87 and 45.13 lbf.in )
. 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.
(f) Safety the fuel drain plug (1) with the DELETED
Subtask 28-24-00-420-055-D DELETED
Subtask 28-24-00-420-055-E DELETED
Subtask 28-24-00-420-055-F DELETED
5. Close-upSubtask 28-24-00-860-083-A
A. Aircraft Maintenance Configuration
(1) On ECAM CP 11VU, push (in) the FUEL P/BSW to get the FUEL system page on the ECAM lower DU.
(2) On panel 115VU, put the applicable ENG/MASTER 1 or ENG/MASTER 2 switch to the ON position.
(3) On the ECAM lower DU, make sure that the applicable LEFT or RIGHT LP valve is open (green in-line).
Subtask 28-24-00-865-077-A (1) On ECAM CP 11VU, push (in) the FUEL P/BSW to get the FUEL system page on the ECAM lower DU.
(2) On panel 115VU, put the applicable ENG/MASTER 1 or ENG/MASTER 2 switch to the ON position.
(3) On the ECAM lower DU, make sure that the applicable LEFT or RIGHT LP valve is open (green in-line).
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 28-24-00-860-071-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 49VU | FUEL/LP VALVE/MOT1/ENG2 | 2QG | A09 |
| 49VU | FUEL/LP VALVE/MOT1/ENG1 | 1QG | A08 |
| 121VU | FUEL/LP VALVE/MOT2/ENG2 | 4QG | M26 |
| 121VU | FUEL/LP VALVE/MOT2/ENG1 | 3QG | M25 |
C. Aircraft Maintenance Configuration (continued)
(1) On panel 115VU:
Subtask 28-24-00-790-055-A ** ON A/C NOT FOR ALL (1) On panel 115VU:
- Put the applicable ENG/MASTER 1 or ENG/MASTER 2 switches in the OFF position.
- Push (in) the applicable L TK PUMPS 1 and 2 or R TK PUMPS 1 and 2 P/BSW
- Make sure that the P/BSW OFF lights go off and the P/BSW FAULT lights come on momentarily.
D. Leak Test
(1) Examine the flange of the main fuel feed-line (1) connection for fuel leakage. Fuel leakage from the main fuel feed-line (1) connection is not permitted.
Main Fuel Feed Line - Location and Detail ** ON A/C NOT FOR ALL
Main Fuel Feed Line - Location and Detail ** ON A/C NOT FOR ALL
(2) Examine the fuel drain plug (1) for fuel leakage. Fuel leakage from the fuel drain plug (1) is not permitted.
Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL
Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL
Subtask 28-24-00-790-055-B ** ON A/C NOT FOR ALL (1) Examine the flange of the main fuel feed-line (1) connection for fuel leakage. Fuel leakage from the main fuel feed-line (1) connection is not permitted.
Main Fuel Feed Line - Location and Detail ** ON A/C NOT FOR ALL
Main Fuel Feed Line - Location and Detail ** ON A/C NOT FOR ALL
Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL
Fuel Drain Plug - Location and Detail ** ON A/C NOT FOR ALL D. Leak Test
(1) Examine the flange of the main fuel feed-line (3) connection for fuel leakage. Fuel leakage from the main fuel feed-line (3) connection is not permitted.
(2) Examine the fuel drain plug (2) for fuel leakage. Fuel leakage from the fuel drain plug (2) is not permitted.
Subtask 28-24-00-860-072-A (1) Examine the flange of the main fuel feed-line (3) connection for fuel leakage. Fuel leakage from the main fuel feed-line (3) connection is not permitted.
(2) Examine the fuel drain plug (2) for fuel leakage. Fuel leakage from the fuel drain plug (2) is not permitted.
E. Aircraft Maintenance Configuration
(1) On panel 40VU:
Subtask 28-24-00-865-087-A (1) On panel 40VU:
- Release (out) the L TK PUMPS 1 and 2 or R TK PUMPS 1 and 2 P/BSW
- Make sure that the P/BSW OFF lights come on.
F. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 28-24-00-860-070-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 49VU | FUEL/LP VALVE/MOT1/ENG2 | 2QG | A09 |
| 49VU | FUEL/LP VALVE/MOT1/ENG1 | 1QG | A08 |
| 121VU | FUEL/LP VALVE/MOT2/ENG2 | 4QG | M26 |
| 121VU | FUEL/LP VALVE/MOT2/ENG1 | 3QG | M25 |
G. Aircraft Maintenance Configuration
(1) On the ECAM DU, make sure that the LP valves are closed.
(2) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(3) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
Subtask 28-24-00-410-055-A ** ON A/C NOT FOR ALL (1) On the ECAM DU, make sure that the LP valves are closed.
(2) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(3) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
H. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install these access panels:
(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
522AT (Ref. AMM TASK 57-41-37-400-003).
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
622AT (Ref. AMM TASK 57-41-37-400-003).
(3) Close the engine fan-cowl doors (Ref. AMM TASK 71-13-00-410-040).
Subtask 28-24-00-420-050-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install these access panels:
(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
522AT (Ref. AMM TASK 57-41-37-400-003).
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
622AT (Ref. AMM TASK 57-41-37-400-003).
(3) Close the engine fan-cowl doors (Ref. AMM TASK 71-13-00-410-040).
I. If the engine is not installed
(1) Install a PLUG - BLANKING on the main fuel feed-line (3).
Subtask 28-24-00-410-055-B ** ON A/C NOT FOR ALL (1) Install a PLUG - BLANKING on the main fuel feed-line (3).
J. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install these access panels:
(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
522AT (Ref. AMM TASK 57-41-37-400-003).
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
622AT (Ref. AMM TASK 57-41-37-400-003).
(3) Close the engine fan-cowl doors (Ref. AMM TASK 71-13-00-410-010).
Subtask 28-24-00-420-050-B ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install these access panels:
(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
522AT (Ref. AMM TASK 57-41-37-400-003).
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
622AT (Ref. AMM TASK 57-41-37-400-003).
(3) Close the engine fan-cowl doors (Ref. AMM TASK 71-13-00-410-010).
K. If the engine is not installed
(1) Install a PLUG - BLANKING on the main fuel feed-line (1).
Subtask 28-24-00-410-055-E ** ON A/C NOT FOR ALL (1) Install a PLUG - BLANKING on the main fuel feed-line (1).
L. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install these access panels:
(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
522AT (Ref. AMM TASK 57-41-37-400-003).
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
622AT (Ref. AMM TASK 57-41-37-400-003).
(3) Close the engine fan-cowl doors (Ref. AMM TASK 71-13-00-410-802).
Subtask 28-24-00-420-050-C ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install these access panels:
(a) FOR [12QM] (VALVE-LP FUEL, ENG 1)
522AT (Ref. AMM TASK 57-41-37-400-003).
(b) FOR [13QM] (VALVE-LP FUEL, ENG 2)
622AT (Ref. AMM TASK 57-41-37-400-003).
(3) Close the engine fan-cowl doors (Ref. AMM TASK 71-13-00-410-802).
M. If the engine is not installed
(1) Install a PLUG - BLANKING on the main fuel feed-line (5).
Subtask 28-24-00-865-067-A (1) Install a PLUG - BLANKING on the main fuel feed-line (5).
N. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 28-24-00-942-057-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B06 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B01 |
| ** ON A/C ALL | |||
| 121VU | FLIGHT CONTROLS/SLT/CTL/SYS2 | 7CV | R21 |
O. Removal of Equipment
(1) Remove the SAFETY BARRIERS.
(2) Remove the fuel container.
(3) Remove the access platform(s).
(4) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION from the flap/slat control lever.
(5) Remove the WARNING NOTICE(S).
(6) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Remove the SAFETY BARRIERS.
(2) Remove the fuel container.
(3) Remove the access platform(s).
(4) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION from the flap/slat control lever.
(5) Remove the WARNING NOTICE(S).
(6) Remove the ground support and maintenance equipment, the special and standard tools and all other items.