DOC AIRBUS | AMM A320FChange of the Hydraulic Fluid of the Yellow Hydraulic System with the Tool - Hydraulic Fluid Change (DH0501)
TASK 12-36-29-600-007-A
Change of the Hydraulic Fluid of the Yellow Hydraulic System with the Tool - Hydraulic Fluid Change (DH0501)
To change the type of hydraulic fluid, or to change the hydraulic fluid if the contamination is out of tolerance.
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 12-36-29-860-121-B
Subtask 12-36-29-611-065-A ** ON A/C NOT FOR ALL
Subtask 12-36-29-610-069-A Subtask 12-36-29-860-123-C
[Rev.10 from 2021]
2026.04.02 06:10:40 UTC
Change of the Hydraulic Fluid of the Yellow Hydraulic System with the Tool - Hydraulic Fluid Change (DH0501)
WARNING:
DO NOT TOUCH THE HYDRAULIC SYSTEM COMPONENTS FOR A SHORT TIME AFTER THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS STAY HOT FOR SOME TIME AND CAN CAUSE INJURY.
WARNING:
MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
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:
OBEY THE HYDRAULIC SAFETY PROCEDURES.
WARNING:
DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:
- FLUSH IT AWAY WITH CLEAN WATER
- GET MEDICAL AID.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobTo change the type of hydraulic fluid, or to change the hydraulic fluid if the contamination is out of tolerance.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| No specific | 1 | CONTAINER 3 L(3/4 USGAL) |
| No specific | 1 | GROUND POWER CART - HYDRAULIC, RESERVOIR MIN. 150 L |
| No specific | 1 | PLUG - BLANKING (E0052R8B3APNE TYPE) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | Torque wrench: range to between 3.2 and 2.9 m.daN (23.60 and 21.39 lbf.ft )  | |
| No specific | Torque wrench: range to between 3.3 and 3.0 m.daN (24.34 and 22.12 lbf.ft ) | |
| 98D12308351000 | 1 | HOSES FOR FLUID CHANGE, LP |
| DH0501 | 1 | TOOL - HYDRAULIC FLUID CHANGE |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.02ABA1) | Phosphate Ester Hydraulic Fluid-General Power - - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 196BB, 198CB |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-12-29-611-002-A | Fill the Hydraulic Fluid Reservoir with a Hydraulic Service Cart |
| TASK 12-32-29-281-001-A | Analyze Hydraulic Fluid |
| 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 29-10-00-680-002-A | Drainage of the Reservoir of the Yellow Hydraulic System |
| TASK 29-13-44-610-001-A | Servicing of the LP-Filter |
| TASK 29-13-45-610-001-A | Servicing of the HP-Filter |
| TASK 29-14-00-614-001-A | Depressurization of the Hydraulic Reservoirs |
| TASK 29-14-00-614-002-A | Pressurization of the Hydraulic Reservoirs through the Ground Connector |
| TASK 29-14-00-614-002-A-01 | Pressurization of the Hydraulic Reservoirs with the Auxiliary Power Unit (APU) |
| TASK 29-24-00-863-001-A | Pressurize the Yellow Hydraulic System with the Electric Pump |
| TASK 29-24-00-864-001-A | Depressurize the Yellow Hydraulic System |
| TASK 32-12-00-010-001-A | Open the Main Gear Doors for Access |
| TASK 32-12-00-410-001-A | Close the Main Gear Doors after Access |
| TASK 52-30-00-860-001-A | Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| TASK 52-30-00-860-002-A | Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| TASK 71-00-00-710-001-B | Dry Motoring Check |
| TASK 71-00-00-710-045-A | Test No.1 : Dry Motor Leak Check |
Location of the Components in the Yellow Hydraulic System (Sheet 1)Subtask 12-36-29-860-121-B
A. Aircraft Maintenance Configuration
(1) On the Yellow HP manifold (3014GM), disconnect the pressure switch (3151GN) and (10CE3). On the free end, make a short circuit between the pins A and B with a PLUG - BLANKING (E0052R8B3APNE TYPE).
(2) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(3) On the overhead maintenance panel 50VU, make sure that the LEAK MEASUREMENT VALVES/Y pushbutton switch is released (the OFF legend is on).
Subtask 12-36-29-865-056-A (1) On the Yellow HP manifold (3014GM), disconnect the pressure switch (3151GN) and (10CE3). On the free end, make a short circuit between the pins A and B with a PLUG - BLANKING (E0052R8B3APNE TYPE).
(2) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(3) On the overhead maintenance panel 50VU, make sure that the LEAK MEASUREMENT VALVES/Y pushbutton switch is released (the OFF legend is on).
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 12-36-29-010-100-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 49VU | HYD/HYD PWR/B WARN/& CTL | 2702GJ | C12 |
| 123VU | B HYD/ELEC PUMP | 2701GJ | AB09 |
C. Get Access
(1) Open the access door 198CB.
(2) Open the access door 196BB.
(3) Open the right main landing gear door (Ref. AMM TASK 32-12-00-010-001).
(4) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE below the MLG bay.
Subtask 12-36-29-680-053-A Subtask 12-36-29-860-122-C ** ON A/C NOT FOR ALL (1) Open the access door 198CB.
(2) Open the access door 196BB.
(3) Open the right main landing gear door (Ref. AMM TASK 32-12-00-010-001).
(4) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE below the MLG bay.
E. Aircraft Maintenance Configuration
(1) Set the GROUND POWER CART - HYDRAULIC, RESERVOIR MIN. 150 L to the correct configuration:
(a) Make sure that the hydraulic ground power-supply reservoir is filled with new hydraulic fluid Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) .
(b) Make sure that no chlorinated solvent has been used to flush the tool lines.
(c) Set the hydraulic ground power supply to the "cart reservoir" configuration.
(d) Open the by-pass valve.
(e) Start the hydraulic ground power-supply.
(f) Adjust the hydraulic ground power-supply to a flow of 45 l.min (11.8876 USgal.mn) approx. and stop the hydraulic ground power-supply.
(a) Put the DH0501 TOOL - HYDRAULIC FLUID CHANGE in a position, where you can monitor the hydraulic fluid quantity indicator 1834GQ on the Green ground service panel during the procedure.
(b) Put the selector valve 1134GQ in the position for the Yellow hydraulic reservoir. Make sure that the Yellow reservoir depressurization valve is open when you set the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the correct configuration.
(c) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE close the valve V1.
(d) Connect the connector LP1 of the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the LP connector of the hydraulic ground power-supply.
(e) Connect the HP1 connector of the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the HP connector of the hydraulic ground power-supply.
(f) Connect the LP3 connector of the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the suction connector of the ground service panel.
(g) On the HP manifold (3014GM):
1 Remove the Yellow HP filter (3048GM) (Ref. AMM TASK 29-13-45-610-001).
2 Install a dummy bowl of the DH0501 TOOL - HYDRAULIC FLUID CHANGE in place of the Yellow HP filter (3048GM).
3 Connect the HP2 line to the dummy bowl and to the valve V2.
(h) On the LP filter (3002GM):
1 Put a CONTAINER 3 L(3/4 USGAL) below the LP filter (3002GM).
3 Remove the filter bowl.
(i) On the LP manifold (3003GM):
1 Put a CONTAINER 3 L(3/4 USGAL) below the Yellow LP manifold (3003GM).
3 Remove the check valve (3017GM) with its O-ring from the manifold.
4 Install the T-fitting in the open port of the manifold.
5 Install the check valve with its O-ring in the open port of the T-fitting.
6 Connect the hydraulic line with the check valve.
7 Connect the LP2 line of the DH0501 TOOL - HYDRAULIC FLUID CHANGE with the T-fitting. Use the 98D12308351000 HOSES FOR FLUID CHANGE, LP for the connection.
(3) Start the hydraulic ground power-supply and make sure that the pressure read on the gage of the DH0501 TOOL - HYDRAULIC FLUID CHANGE is 4.0 bar (58.0151 psi).
(4) Stop the hydraulic ground power-supply.
Subtask 12-36-29-860-122-D ** ON A/C NOT FOR ALL (1) Set the GROUND POWER CART - HYDRAULIC, RESERVOIR MIN. 150 L to the correct configuration:
(a) Make sure that the hydraulic ground power-supply reservoir is filled with new hydraulic fluid Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) .
(b) Make sure that no chlorinated solvent has been used to flush the tool lines.
(c) Set the hydraulic ground power supply to the "cart reservoir" configuration.
(d) Open the by-pass valve.
(e) Start the hydraulic ground power-supply.
(f) Adjust the hydraulic ground power-supply to a flow of 45 l.min (11.8876 USgal.mn) approx. and stop the hydraulic ground power-supply.
WARNING:
PROTECT YOUR HANDS AND FACE FROM THE GAS WHICH COMES OUT WHEN YOU OPEN THE MANUAL DEPRESSURIZATION VALVE OF THE RESERVOIRS. IT IS POSSIBLE THAT THE GAS IS HOT AND CONTAINS HYDRAULIC FLUID.
(2) Set the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the correct configuration. (a) Put the DH0501 TOOL - HYDRAULIC FLUID CHANGE in a position, where you can monitor the hydraulic fluid quantity indicator 1834GQ on the Green ground service panel during the procedure.
(b) Put the selector valve 1134GQ in the position for the Yellow hydraulic reservoir. Make sure that the Yellow reservoir depressurization valve is open when you set the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the correct configuration.
(c) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE close the valve V1.
(d) Connect the connector LP1 of the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the LP connector of the hydraulic ground power-supply.
(e) Connect the HP1 connector of the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the HP connector of the hydraulic ground power-supply.
(f) Connect the LP3 connector of the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the suction connector of the ground service panel.
(g) On the HP manifold (3014GM):
1 Remove the Yellow HP filter (3048GM) (Ref. AMM TASK 29-13-45-610-001).
2 Install a dummy bowl of the DH0501 TOOL - HYDRAULIC FLUID CHANGE in place of the Yellow HP filter (3048GM).
3 Connect the HP2 line to the dummy bowl and to the valve V2.
(h) On the LP filter (3002GM):
1 Put a CONTAINER 3 L(3/4 USGAL) below the LP filter (3002GM).
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 between the filter bowl and the filter head. 3 Remove the filter bowl.
(i) On the LP manifold (3003GM):
1 Put a CONTAINER 3 L(3/4 USGAL) below the Yellow LP manifold (3003GM).
CAUTION:
USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU DO NOT USE THE SECOND WRENCH, THERE IS A RISK THAT YOU WILL LOOSEN OR TIGHTEN THE UNION TOO MUCH.
2 Disconnect the hydraulic line from the check valve (3017GM). 3 Remove the check valve (3017GM) with its O-ring from the manifold.
4 Install the T-fitting in the open port of the manifold.
5 Install the check valve with its O-ring in the open port of the T-fitting.
6 Connect the hydraulic line with the check valve.
7 Connect the LP2 line of the DH0501 TOOL - HYDRAULIC FLUID CHANGE with the T-fitting. Use the 98D12308351000 HOSES FOR FLUID CHANGE, LP for the connection.
(3) Start the hydraulic ground power-supply and make sure that the pressure read on the gage of the DH0501 TOOL - HYDRAULIC FLUID CHANGE is 4.0 bar (58.0151 psi).
(4) Stop the hydraulic ground power-supply.
E. Aircraft Maintenance Configuration
(1) Set the GROUND POWER CART - HYDRAULIC, RESERVOIR MIN. 150 L to the correct configuration:
(a) Make sure that the hydraulic ground power-supply reservoir is filled with new hydraulic fluid Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) .
(c) Set the hydraulic ground power supply to the "cart reservoir" configuration.
(d) Open the by-pass valve.
(e) Start the hydraulic ground power-supply.
(f) Adjust the hydraulic ground power-supply to a flow of 45 l.min (11.8876 USgal.mn) approx. and stop the hydraulic ground power-supply.
(a) Put the DH0501 TOOL - HYDRAULIC FLUID CHANGE in a position, where you can monitor the hydraulic fluid quantity indicator 1834GQ on the Green ground service panel during the procedure.
(b) Put the selector valve 1134GQ in the position for the Yellow hydraulic reservoir. Make sure that the Yellow reservoir depressurization valve is open when you set the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the correct configuration.
(c) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE close the valve V1.
(d) Connect the connector LP1 of the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the LP connector of the hydraulic ground power-supply.
(e) Connect the HP1 connector of the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the HP connector of the hydraulic ground power-supply.
(f) Connect the LP3 connector of the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the suction connector of the ground service panel.
(g) On the HP manifold (3014GM):
1 Remove the Yellow HP filter (3048GM) (Ref. AMM TASK 29-13-45-610-001).
2 Install a dummy bowl of the DH0501 TOOL - HYDRAULIC FLUID CHANGE in place of the Yellow HP filter (3048GM).
3 Connect the HP2 line to the dummy bowl and to the valve V2.
(h) On the LP filter (3002GM):
1 Put a CONTAINER 3 L(3/4 USGAL) below the LP filter (3002GM).
3 Remove the filter bowl.
(i) On the LP manifold (3003GM):
1 Put a CONTAINER 3 L(3/4 USGAL) below the Yellow LP manifold (3003GM).
3 Remove the check valve (3017GM) with its O-ring from the manifold.
4 Install the T-fitting in the open port of the manifold.
5 Install the check valve with its O-ring in the open port of the T-fitting.
6 Connect the hydraulic line with the check valve.
7 Connect the LP2 line of the DH0501 TOOL - HYDRAULIC FLUID CHANGE with the T-fitting. Use the 98D12308351000 HOSES FOR FLUID CHANGE, LP for the connection.
(3) Start the hydraulic ground power-supply and make sure that the pressure read on the gage of the DH0501 TOOL - HYDRAULIC FLUID CHANGE is 4.0 bar (58.0151 psi).
(4) Stop the hydraulic ground power-supply.
Subtask 12-36-29-611-064-A (1) Set the GROUND POWER CART - HYDRAULIC, RESERVOIR MIN. 150 L to the correct configuration:
(a) Make sure that the hydraulic ground power-supply reservoir is filled with new hydraulic fluid Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) .
NOTE: It is not permitted to use high-density fluid Skydrol 500B-4.
(b) Make sure that no chlorinated solvent has been used to flush the tool lines. (c) Set the hydraulic ground power supply to the "cart reservoir" configuration.
(d) Open the by-pass valve.
(e) Start the hydraulic ground power-supply.
(f) Adjust the hydraulic ground power-supply to a flow of 45 l.min (11.8876 USgal.mn) approx. and stop the hydraulic ground power-supply.
WARNING:
PROTECT YOUR HANDS AND FACE FROM THE GAS WHICH COMES OUT WHEN YOU OPEN THE MANUAL DEPRESSURIZATION VALVE OF THE RESERVOIRS. IT IS POSSIBLE THAT THE GAS IS HOT AND CONTAINS HYDRAULIC FLUID.
(2) Set the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the correct configuration. (a) Put the DH0501 TOOL - HYDRAULIC FLUID CHANGE in a position, where you can monitor the hydraulic fluid quantity indicator 1834GQ on the Green ground service panel during the procedure.
(b) Put the selector valve 1134GQ in the position for the Yellow hydraulic reservoir. Make sure that the Yellow reservoir depressurization valve is open when you set the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the correct configuration.
(c) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE close the valve V1.
(d) Connect the connector LP1 of the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the LP connector of the hydraulic ground power-supply.
(e) Connect the HP1 connector of the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the HP connector of the hydraulic ground power-supply.
(f) Connect the LP3 connector of the DH0501 TOOL - HYDRAULIC FLUID CHANGE to the suction connector of the ground service panel.
(g) On the HP manifold (3014GM):
1 Remove the Yellow HP filter (3048GM) (Ref. AMM TASK 29-13-45-610-001).
2 Install a dummy bowl of the DH0501 TOOL - HYDRAULIC FLUID CHANGE in place of the Yellow HP filter (3048GM).
3 Connect the HP2 line to the dummy bowl and to the valve V2.
(h) On the LP filter (3002GM):
1 Put a CONTAINER 3 L(3/4 USGAL) below the LP filter (3002GM).
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 between the filter bowl and the filter head. 3 Remove the filter bowl.
(i) On the LP manifold (3003GM):
1 Put a CONTAINER 3 L(3/4 USGAL) below the Yellow LP manifold (3003GM).
CAUTION:
USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU DO NOT USE THE SECOND WRENCH, THERE IS A RISK THAT YOU WILL LOOSEN OR TIGHTEN THE UNION TOO MUCH.
2 Disconnect the hydraulic line from the check valve (3017GM). 3 Remove the check valve (3017GM) with its O-ring from the manifold.
4 Install the T-fitting in the open port of the manifold.
5 Install the check valve with its O-ring in the open port of the T-fitting.
6 Connect the hydraulic line with the check valve.
7 Connect the LP2 line of the DH0501 TOOL - HYDRAULIC FLUID CHANGE with the T-fitting. Use the 98D12308351000 HOSES FOR FLUID CHANGE, LP for the connection.
(3) Start the hydraulic ground power-supply and make sure that the pressure read on the gage of the DH0501 TOOL - HYDRAULIC FLUID CHANGE is 4.0 bar (58.0151 psi).
(4) Stop the hydraulic ground power-supply.
F. Fill the Yellow Hydraulic Reservoir as follows:
(1) Open the depressurization valve (3087GM) of the Yellow reservoir (Ref. AMM TASK 29-14-00-614-001).
(2) Open the valve V1 of the DH0501 TOOL - HYDRAULIC FLUID CHANGE and start the hydraulic ground power-supply.
(3) Fill the Yellow reservoir until the fluid is at the upper limit on the visual indicator.
(4) Close the valve V1.
(5) Close the depressurization valve of the Yellow reservoir.
(6) Pressurize the Yellow hydraulic reservoir (Ref. AMM TASK 29-14-00-614-002).
(7) Disconnect the outboard air supply.
4. Procedure(1) Open the depressurization valve (3087GM) of the Yellow reservoir (Ref. AMM TASK 29-14-00-614-001).
(2) Open the valve V1 of the DH0501 TOOL - HYDRAULIC FLUID CHANGE and start the hydraulic ground power-supply.
(3) Fill the Yellow reservoir until the fluid is at the upper limit on the visual indicator.
(4) Close the valve V1.
(5) Close the depressurization valve of the Yellow reservoir.
(6) Pressurize the Yellow hydraulic reservoir (Ref. AMM TASK 29-14-00-614-002).
(7) Disconnect the outboard air supply.
Subtask 12-36-29-611-065-A ** ON A/C NOT FOR ALL
A. Change of the Hydraulic Fluid
(a) Start the hydraulic ground power-supply.
(b) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
(f) Stop the dry motoring of the engine No.2 (Ref. AMM D/O 71-00-00-70).
(2) Change the fluid in the suction, pressure and case drain lines of the Yellow Electric Pump (3075GX):
(a) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
(c) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
(e) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-24-00-864-001).
(3) Change the fluid in the supply and return lines of the primary servocontrols and the Cargo Door System:
(b) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE open the valve V1 and keep it open during the full procedure.
(d) In the cockpit, operate the flight controls.
(e) On the panel 11VU, move the GND SPLRS ARMED lever to the FULL position and then to the RET position. Do this step 3 times.
(k) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-24-00-864-001).
Subtask 12-36-29-611-065-B ** ON A/C NOT FOR ALL NOTE: Obey the fluid level of the Yellow reservoir during the procedure. Adjust the fluid level with the valve V1 when it decreases.
(1) Change the fluid in the suction, pressure and case drain lines of the Yellow Engine Driven Pump (3030GD) (a) Start the hydraulic ground power-supply.
(b) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
- Make sure that the valve V1 is open and keep it open during the full procedure.
NOTE: Obey the starter limits for dry motoring.
(d) Open the valve V2 until you collect approximately 10 l (2.6417 USgal) hydraulic fluid. NOTE: The system pressure can decrease to 0 during dry motoring.
(e) Close the valve V2. (f) Stop the dry motoring of the engine No.2 (Ref. AMM D/O 71-00-00-70).
(2) Change the fluid in the suction, pressure and case drain lines of the Yellow Electric Pump (3075GX):
(a) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
- Make sure that the valve V1 is open.
(c) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
- Open the valve V2 until you collect 4 liters of fluid.
(e) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-24-00-864-001).
(3) Change the fluid in the supply and return lines of the primary servocontrols and the Cargo Door System:
WARNING:
MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
(a) On the overhead maintenance panel 50VU, release the LEAK MEASUREMENT VALVES/Y P/BSW (the OFF legend is off). (b) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE open the valve V1 and keep it open during the full procedure.
NOTE: Increase the rate of flow and the pressure as necessary.
(c) Pressurize the Yellow hydraulic system with the E-pump (Ref. AMM TASK 29-24-00-863-001). Make sure that the system pressure shown on the ECAM SD and on the pressure gauge of the system accumulator is correct. (d) In the cockpit, operate the flight controls.
(e) On the panel 11VU, move the GND SPLRS ARMED lever to the FULL position and then to the RET position. Do this step 3 times.
NOTE: The spoilers 2 LH and RH operate.
(f) On the panel 18VU or 19VU, move the side stick fully to the left and then fully to the right. Do this step 3 times. NOTE: The spoilers 2 LH and RH operate.
(g) On the panel 18VU or 19VU, move the side stick fully forward and then fully rearward. Do this step 3 times. NOTE: The elevators operate.
(h) At the captain or first officer position, push the LH pedal fully forward and then the RH pedal fully forward. Do this step 3 times. NOTE: The rudder operates.
(i) On the panel 114VU, move the flap/slat lever to the FULL position and then to the 0 deg position. Do this step 2 times. NOTE: The flaps operate.
(j) Open and close the FWD and AFT cargo doors (Ref. AMM TASK 52-30-00-860-001) and (Ref. AMM TASK 52-30-00-860-002). Do this step 5 times. (k) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-24-00-864-001).
A. Change of the Hydraulic Fluid
(a) Start the hydraulic ground power-supply.
(b) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
(f) Stop the dry motoring of the engine No.2 (Ref. AMM TASK 71-00-00-710-001).
(2) Change the fluid in the suction, pressure and case drain lines of the Yellow Electric Pump (3075GX):
(a) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
(c) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
(e) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-24-00-864-001).
(3) Change the fluid in the supply and return lines of the primary servocontrols and the cargo door system:
(b) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE open the valve V1 and keep it open during the full procedure.
(d) In the cockpit, operate the flight controls.
(e) On the panel 11VU, move the GND SPLRS ARMED lever to the FULL position and then to the RET position. Do this step 3 times.
(k) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-24-00-864-001).
Subtask 12-36-29-611-065-C ** ON A/C NOT FOR ALL NOTE: Obey the fluid level of the Yellow reservoir during the procedure. Adjust the fluid level with the valve V1 when it decreases.
(1) Change the fluid in the suction, pressure and case drain lines of the Yellow Engine Driven Pump (3030GD): (a) Start the hydraulic ground power-supply.
(b) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
- Make sure that the valve V1 is open and keep it open during the full procedure.
NOTE: Obey the starter limits for dry motoring.
(d) Open the valve V2 until you collect approximately 10 l (2.6417 USgal) hydraulic fluid. NOTE: The system pressure can decrease to 0 during dry motoring.
(e) Close the valve V2. (f) Stop the dry motoring of the engine No.2 (Ref. AMM TASK 71-00-00-710-001).
(2) Change the fluid in the suction, pressure and case drain lines of the Yellow Electric Pump (3075GX):
(a) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
- Make sure that the valve V1 is open.
(c) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
- Open the valve V2 until you collect 4 liters of fluid.
(e) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-24-00-864-001).
(3) Change the fluid in the supply and return lines of the primary servocontrols and the cargo door system:
WARNING:
MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
(a) On the overhead maintenance panel 50VU, release the LEAK MEASUREMENT VALVES/Y P/BSW (the OFF legend is off). (b) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE open the valve V1 and keep it open during the full procedure.
NOTE: Increase the rate of flow and the pressure as necessary.
(c) Pressurize the Yellow hydraulic system with the E-pump (Ref. AMM TASK 29-24-00-863-001). Make sure that the system pressure shown on the ECAM SD and on the pressure gauge of the system accumulator is correct. (d) In the cockpit, operate the flight controls.
(e) On the panel 11VU, move the GND SPLRS ARMED lever to the FULL position and then to the RET position. Do this step 3 times.
NOTE: The spoilers 2 LH and RH operate.
(f) On the panel 18VU or 19VU, move the side stick fully to the left and then fully to the right. Do this step 3 times. NOTE: The spoilers 2 LH and RH operate.
(g) On the panel 18VU or 19VU, move the side stick fully forward and then fully rearward. Do this step 3 times. NOTE: The elevators operate.
(h) At the captain or first officer position, push the LH pedal fully forward and then the RH pedal fully forward. Do this step 3 times. NOTE: The rudder operates.
(i) On the panel 114VU, move the flap/slat lever to the FULL position and then to the 0 deg position. Do this step 2 times. NOTE: The flaps operate.
(j) Open and close the FWD and AFT cargo doors (Ref. AMM TASK 52-30-00-860-001) and (Ref. AMM TASK 52-30-00-860-002). Do this step 5 times. (k) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-24-00-864-001).
A. Change of the Hydraulic Fluid
(a) Start the hydraulic ground power-supply.
(b) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
(f) Stop the dry motoring of the engine No.2 (Ref. AMM TASK 71-00-00-710-045).
(2) Change the fluid in the suction, pressure and case drain lines of the Yellow Electric Pump (3075GX):
(a) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
(c) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
(e) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-24-00-864-001).
(3) Change the fluid in the supply and return lines of the primary servocontrols and the cargo door system:
(b) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE open the valve V1 and keep it open during the full procedure.
(d) In the cockpit, operate the flight controls.
(e) On the panel 11VU, move the GND SPLRS ARMED lever to the FULL position and then to the RET position. Do this step 3 times.
(k) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-24-00-864-001).
5. Close-upNOTE: Obey the fluid level of the Yellow reservoir during the procedure. Adjust the fluid level with the valve V1 when it decreases.
(1) Change the fluid in the suction, pressure and case drain lines of the Yellow Engine Driven Pump (3030GD): (a) Start the hydraulic ground power-supply.
(b) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
- Make sure that the valve V1 is open and keep it open during the full procedure.
NOTE: Obey the starter limits for dry motoring.
(d) Open the valve V2 until you collect approximately 10 l (2.6417 USgal) hydraulic fluid. NOTE: The system pressure can decrease to 0 during dry motoring.
(e) Close the valve V2. (f) Stop the dry motoring of the engine No.2 (Ref. AMM TASK 71-00-00-710-045).
(2) Change the fluid in the suction, pressure and case drain lines of the Yellow Electric Pump (3075GX):
(a) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
- Make sure that the valve V1 is open.
(c) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE:
- Open the valve V2 until you collect 4 liters of fluid.
(e) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-24-00-864-001).
(3) Change the fluid in the supply and return lines of the primary servocontrols and the cargo door system:
WARNING:
MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
(a) On the overhead maintenance panel 50VU, release the LEAK MEASUREMENT VALVES/Y P/BSW (the OFF legend is off). (b) On the DH0501 TOOL - HYDRAULIC FLUID CHANGE open the valve V1 and keep it open during the full procedure.
NOTE: Increase the rate of flow and the pressure as necessary.
(c) Pressurize the Yellow hydraulic system with the E-pump (Ref. AMM TASK 29-24-00-863-001). Make sure that the system pressure shown on the ECAM SD and on the pressure gauge of the system accumulator is correct. (d) In the cockpit, operate the flight controls.
(e) On the panel 11VU, move the GND SPLRS ARMED lever to the FULL position and then to the RET position. Do this step 3 times.
NOTE: The spoilers 2 LH and RH operate.
(f) On the panel 18VU or 19VU, move the side stick fully to the left and then fully to the right. Do this step 3 times. NOTE: The spoilers 2 LH and RH operate.
(g) On the panel 18VU or 19VU, move the side stick fully forward and then fully rearward. Do this step 3 times. NOTE: The elevators operate.
(h) At the captain or first officer position, push the LH pedal fully forward and then the RH pedal fully forward. Do this step 3 times. NOTE: The rudder operates.
(i) On the panel 114VU, move the flap/slat lever to the FULL position and then to the 0 deg position. Do this step 2 times. NOTE: The flaps operate.
(j) Open and close the FWD and AFT cargo doors (Ref. AMM TASK 52-30-00-860-001) and (Ref. AMM TASK 52-30-00-860-002). Do this step 5 times. (k) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-24-00-864-001).
Subtask 12-36-29-610-069-A Subtask 12-36-29-860-123-C
B. Aircraft Maintenance Configuration
(2) On the Yellow HP manifold (3014GM), remove the PLUG - BLANKING (E0052R8B3APNE TYPE) from the pressure switches (3151GN) and (10CE3) and connect the pressure switches (3151GN) and (10CE3).
(3) Close the valves V1 and V2 on the DH0501 TOOL - HYDRAULIC FLUID CHANGE.
(4) Disconnect the LP2 line from the T-fitting.
(5) Remove the hydraulic line from the check valve (3017GM).
(6) Remove the check valve from the T-fitting.
(7) Remove the T-fitting from the LP manifold (3003GM).
(8) Install the check valve with a new O-ring in the manifold.
(9) TORQUE the check valve to between 3.3 and 3.0 m.daN (24.34 and 22.12 lbf.ft ).
(10) Install the hydraulic line at the check valve.
(11) TORQUE the hydraulic line to between 3.2 and 2.9 m.daN (23.60 and 21.39 lbf.ft ).
(12) Disconnect the HP1 and HP2 lines between the aircraft and the DH0501 TOOL - HYDRAULIC FLUID CHANGE.
(13) Disconnect all the lines between the DH0501 TOOL - HYDRAULIC FLUID CHANGE and the hydraulic power cart.
(14) Remove the dummy bowl of the HP hydraulic filter (3048GM) and replace the filter element (Ref. AMM TASK 29-13-45-610-001).
(15) Pressurize the Yellow hydraulic reservoir (Ref. AMM TASK 29-14-00-614-002).
(16) Operate the flight controls and monitor the reservoir level. If necessary fill the Yellow hydraulic reservoir (Ref. AMM TASK 12-12-29-611-002).
(17) After one week of aircraft operation, do a new sampling of the hydraulic fluid (Ref. AMM TASK 12-32-29-281-001).
(18) Remove the WARNING NOTICE(S).
(19) Remove the containers.
Subtask 12-36-29-865-057-A CAUTION:
USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU DO NOT USE THE SECOND WRENCH, THERE IS A RISK THAT YOU WILL LOOSEN OR TIGHTEN THE UNION TOO MUCH.
(1) On the overhead maintenance panel 50VU, make sure that the LEAK MEASUREMENT VALVES/Y pushbutton switch is set to off (the OFF legend is on). (2) On the Yellow HP manifold (3014GM), remove the PLUG - BLANKING (E0052R8B3APNE TYPE) from the pressure switches (3151GN) and (10CE3) and connect the pressure switches (3151GN) and (10CE3).
(3) Close the valves V1 and V2 on the DH0501 TOOL - HYDRAULIC FLUID CHANGE.
(4) Disconnect the LP2 line from the T-fitting.
(5) Remove the hydraulic line from the check valve (3017GM).
(6) Remove the check valve from the T-fitting.
(7) Remove the T-fitting from the LP manifold (3003GM).
(8) Install the check valve with a new O-ring in the manifold.
(9) TORQUE the check valve to between 3.3 and 3.0 m.daN (24.34 and 22.12 lbf.ft )
. (10) Install the hydraulic line at the check valve.
(11) TORQUE the hydraulic line to between 3.2 and 2.9 m.daN (23.60 and 21.39 lbf.ft )
. (12) Disconnect the HP1 and HP2 lines between the aircraft and the DH0501 TOOL - HYDRAULIC FLUID CHANGE.
(13) Disconnect all the lines between the DH0501 TOOL - HYDRAULIC FLUID CHANGE and the hydraulic power cart.
(14) Remove the dummy bowl of the HP hydraulic filter (3048GM) and replace the filter element (Ref. AMM TASK 29-13-45-610-001).
(15) Pressurize the Yellow hydraulic reservoir (Ref. AMM TASK 29-14-00-614-002).
(16) Operate the flight controls and monitor the reservoir level. If necessary fill the Yellow hydraulic reservoir (Ref. AMM TASK 12-12-29-611-002).
(17) After one week of aircraft operation, do a new sampling of the hydraulic fluid (Ref. AMM TASK 12-32-29-281-001).
(18) Remove the WARNING NOTICE(S).
(19) Remove the containers.
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 12-36-29-410-087-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 49VU | HYD/HYD PWR/B WARN/& CTL | 2702GJ | C12 |
| 123VU | B HYD/ELEC PUMP | 2701GJ | AB09 |
D. 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) Close the access doors 198BB and 196CB.
(4) Close the right main landing gear door (Ref. AMM TASK 32-12-00-410-001).
(5) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Close the access doors 198BB and 196CB.
(4) Close the right main landing gear door (Ref. AMM TASK 32-12-00-410-001).
(5) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).