W DOC AIRBUS | AMM A320F

Reclamation of the Hydraulic Fluid in the Yellow Hydraulic System

TASK 12-36-29-600-005-A
Reclamation of the Hydraulic Fluid in the Yellow Hydraulic System

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.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.
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.
1. Reason for the Job
To decrease the particle contamination of the hydraulic fluid in the Yellow hydraulic system if it is more than NSA307110 class 9.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
SAFETY BARRIER(S)
No specific
1
TURNTABLE - NLG STEERING OPERATION
No specific
1
WARNING NOTICE(S)
ALT29000001
1
HYD GRND PWR UNIT3000
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
198CB
196BB
 C. Referenced Information
REFERENCE
DESIGNATION
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 29-00-00-910-002-A
Safety Procedures of the Hydraulic System
TASK 29-13-43-610-010-A
Servicing of the Engine-Pump Case-Drain Filter
TASK 29-13-43-610-040-A
Servicing of the Engine Pump Case-Drain Filter
TASK 29-13-43-610-041-A
Servicing of the Engine Pump Case-Drain Filter
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 29-23-00-860-001-A
Disconnection of the Isolation Coupling of the Power Transfer Unit (PTU)
TASK 29-23-00-860-002-A
Connection of the Isolation Coupling of the Power Transfer Unit (PTU)
TASK 34-10-00-860-004-A
Inertial Reference (IR) Alignment-Procedure
TASK 34-10-00-860-004-A-01
Automatic Inertial Reference (IR) Alignment-Procedure
TASK 34-10-00-860-004-A-02
Inertial Reference (IR) Alignment-Procedure to do a Check of the Links between each Flight Management and Guidance Computer (FMGC) and the three Air Data/Inertial Reference Units (ADIRUs)
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 71-13-00-410-010-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 78-31-00-710-042-A
Operational Test of the Thrust Reverser System
TASK 78-31-00-710-043-A
Operational Test of the Thrust Reverser without CFDS - Engine Not Running
TASK 78-31-00-710-043-A-01
Operational Test of the Thrust Reverser without CFDS - Engine Running
3. Job Set-up
Subtask 12-36-29-860-114-A
A. Safety Precautions
   (1) Obey the hydraulic safety procedures (Ref. AMM TASK 29-00-00-910-002).
   (2) Put the WARNING NOTICE(S) and SAFETY BARRIER(S) in position.
Subtask 12-36-29-010-080-A
B. Get Access
   (1) Open the access door 198CB.
   (2) Put the locking handles of the forward and aft cargo-compartment doors in the UNLOCKED position.
Subtask 12-36-29-860-113-A ** ON A/C NOT FOR ALL
C. Preparation for the Reclamation
   (1) Disconnect the PTU isolation coupling (Ref. AMM TASK 29-23-00-860-001).
   (2) Connect the pressure hose of the ALT29000001 HYD GRND PWR UNIT3000 to the delivery connector 3008GM.
   (3) Connect the return hose of the hydraulic power cart to the suction connector 3006GM.
Subtask 12-36-29-860-113-B ** ON A/C NOT FOR ALL
C. Preparation for the Reclamation
   (1) Disconnect the PTU isolation coupling (Ref. AMM TASK 29-23-00-860-001).
   (2) Put the NLG on to the TURNTABLE - NLG STEERING OPERATION (to prevent damage to the tires when the steering is operated).
   (3) Connect the pressure hose of the ALT29000001 HYD GRND PWR UNIT3000 to the delivery connector 3008GM.
   (4) Connect the return hose of the hydraulic power cart to the suction connector 3006GM.
4. Procedure
Subtask 12-36-29-960-064-A ** ON A/C NOT FOR ALL
A. Replacement of the Filter Elements
   (1) Replace the element in the Low Pressure (LP) filter 3002GM (Ref. AMM TASK 29-13-44-610-001).
   (2) Replace the element in the High Pressure (HP) filter 3048GM (Ref. AMM TASK 29-13-45-610-001).
   (3) Replace the element in the Case Drain (CD) filter 3084GM (Ref. AMM TASK 29-13-43-610-040).
Subtask 12-36-29-960-064-B ** ON A/C NOT FOR ALL
A. Replacement of the Filter Elements
   (1) Replace the element in the Low Pressure (LP) filter 3002GM (Ref. AMM TASK 29-13-44-610-001).
   (2) Replace the element in the High Pressure (HP) filter 3048GM (Ref. AMM TASK 29-13-45-610-001).
   (3) Replace the element in the Case Drain (CD) filter 3084GM (Ref. AMM TASK 29-13-43-610-010).
Subtask 12-36-29-960-064-C ** ON A/C NOT FOR ALL
A. Replacement of the Filter Elements
   (1) Replace the element in the Low Pressure (LP) filter 3002GM (Ref. AMM TASK 29-13-44-610-001).
   (2) Replace the element in the High Pressure (HP) filter 3048GM (Ref. AMM TASK 29-13-45-610-001).
   (3) Replace the element in the Case Drain (CD) filter 3084GM (Ref. AMM TASK 29-13-43-610-041).
Subtask 12-36-29-869-077-A ** ON A/C NOT FOR ALL
B. Reclamation Procedure
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.
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
   (2) Operate the hydraulic power cart.
   (3) In the cockpit, operate the flight controls.
     (a) On the panel 11VU, move the GND SPLRS ARMED lever to the FULL position then to the RET position. Do this step 3 times.
NOTE: The spoilers 2 and 4 left and right operate.
       1 Align the ADIRS (Ref. AMM TASK 34-10-00-860-004).
       2 For the spoiler 1, 2, 3 and 4:
  • On the center pedestal, set the SPEED BRAKE control lever to FULL.
  • On the lower ECAM display unit, the F/CTL page shows the related spoiler extended.
NOTE: If you cannot get extension of the spoiler:
  • On the overhead panel 20VU, on the ADIRS CDU, release the ADR1, ADR2, ADR3 pushbutton switches (the OFF legends come on), then push the ADR1, ADR2, ADR3 pushbutton switches (the OFF legends go off).
     (b) On the panel 18VU or 19VU, move the side stick fully forward and fully rearward. Do this step 3 times.
NOTE: The right elevator operates.
     (c) At the captain or first officer position, push the left pedal fully forward (and release it) then the right pedal fully forward (and release it). Do this step 3 times.
NOTE: The rudder operates.
     (d) On the panel 114VU, move the flap/slat lever to the FULL position then to the 0 deg. position. Do this step 2 times.
NOTE: The flaps and slats operate.
     (e) On the center pedestal, turn one of the pitch-trim control wheels to the DN stop then to the UP stop. Do this step 3 times. Turn the pitch-trim control wheel to the 0 deg. position.
NOTE: The THS operates.
   (4) On the ground service panel, make sure that the selector valve 2500MJ is in the E PUMP position.
   (5) On the cargo-compartment door control-panels, put and hold the selectors in the OPEN position until the cargo compartment doors are open. Put and hold the selectors in the CLOSE position until the cargo compartment doors are closed. Do this step 2 times.
NOTE: The forward and aft cargo-compartment doors operate.
   (6) Operate the thrust reverser of engine 2 (Ref. AMM D/O 78-31-00-71).
   (7) Stop the hydraulic power cart.
Subtask 12-36-29-869-077-C ** ON A/C NOT FOR ALL
B. Reclamation Procedure
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.
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
   (2) Operate the hydraulic power cart.
   (3) In the cockpit, operate the flight controls.
     (a) On the panel 11VU, move the GND SPLRS ARMED lever to the FULL position then to the RET position. Do this step three times.
NOTE: The spoilers 2 and 4 left and right operate.
     (b) On the panel 18VU or 19VU, move the side stick fully forward then fully rearward. Do this step three times.
NOTE: The right elevator operates.
     (c) At the captain or the first officer position, push the left pedal fully forward (and release it) then the right pedal fully forward (and release it). Do this step three times.
NOTE: The rudder operates.
     (d) On the panel 114VU, move the flap/slat lever to the FULL position then to the 0 deg. position. Do this step two times.
NOTE: The flaps and the slats operate.
     (e) On the center pedestal, turn one of the pitch-trim control wheels to the DN stop then to the UP stop. Do this step three times. Turn the pitch-trim control wheel to the 0 deg. position.
NOTE: The THS operates.
   (4) On the ground service panel, make sure that the selector valve 2500MJ is in the E PUMP position.
   (5) On the cargo-compartment door control-panels, put and hold the selectors in the OPEN position until the cargo compartment doors are open. Put and hold the selectors in the CLOSE position until the cargo compartment doors are closed. Do this step two times.
NOTE: The forward and the aft cargo-compartment doors operate.
   (6) Operate the thrust reverser of engine 2 (Ref. AMM TASK 78-31-00-710-042) or (Ref. AMM TASK 78-31-00-710-043).
   (7) Stop the hydraulic power cart.
Subtask 12-36-29-869-077-E ** ON A/C NOT FOR ALL
B. Reclamation Procedure
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.
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
   (2) Operate the hydraulic power cart.
   (3) In the cockpit, operate the flight controls.
     (a) On the panel 11VU, move the GND SPLRS ARMED lever to the FULL position then to the RET position. Do this step three times.
NOTE: The spoilers 2 and 4 left and right operate.
     (b) On the panel 18VU or 19VU, move the side stick fully forward then fully rearward. Do this step three times.
NOTE: The right elevator operates.
     (c) At the captain or the first officer position, push the left pedal fully forward (and release it) then the right pedal fully forward (and release it). Do this step three times.
NOTE: The rudder operates.
     (d) On the panel 114VU, move the flap/slat lever to the FULL position then to the 0 deg. position. Do this step two times.
NOTE: The flaps and the slats operate.
     (e) On the center pedestal, turn one of the pitch-trim control wheels to the DN stop then to the UP stop. Do this step three times. Turn the pitch-trim control wheel to the 0 deg. position.
NOTE: The THS operates.
   (4) On the ground service panel, make sure that the selector valve 2500MJ is in the E PUMP position.
   (5) On the cargo-compartment door control-panels, put and hold the selectors in the OPEN position until the cargo compartment doors are open. Put and hold the selectors in the CLOSE position until the cargo compartment doors are closed. Do this step two times.
NOTE: The forward and the aft cargo-compartment doors operate.
   (6) Operate the thrust reverser of engine 2 (Ref. AMM TASK 78-31-00-710-043).
   (7) At the captain or first officer position, turn the handwheel fully to the left then fully to the right. Do this step 3 times.
NOTE: The Nose Wheel operates.
   (8) Stop the hydraulic power cart.
Subtask 12-36-29-869-077-F ** ON A/C NOT FOR ALL
B. Reclamation Procedure
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.
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
   (2) Operate the hydraulic power cart.
   (3) In the cockpit, operate the flight controls.
     (a) On the panel 11VU, move the GND SPLRS ARMED lever to the FULL position then to the RET position. Do this step 3 times.
NOTE: The spoilers 2 and 4 left and right operate.
       1 Align the ADIRS (Ref. AMM TASK 34-10-00-860-004).
       2 For the spoiler 1,2,3 and 4:
  • On the center pedestal, set the SPEED BRAKE control lever to FULL.
  • On the lower ECAM display unit, the F/CTL page shows the related spoiler extended.
NOTE: If you cannot get extension of the spoiler:
  • On the overhead panel 41VU, on the ADIRS MSU, release the ADR1, ADR2, ADR3 pushbutton switches (the OFF legends come on), then push the ADR1, ADR2, ADR3 pushbutton switches (the OFF legends go off).
     (b) On the panel 18VU or 19VU, move the side stick fully forward and fully rearward. Do this step 3 times.
NOTE: The right elevator operates.
     (c) At the captain or first officer position, push the left pedal fully forward (and release it) then the right pedal fully forward (and release it). Do this step 3 times.
NOTE: The rudder operates.
     (d) On the panel 114VU, move the flap/slat lever to the FULL position then to the 0 deg. position. Do this step 2 times.
NOTE: The flaps and slats operate.
     (e) On the center pedestal, turn one of the pitch-trim control wheels to the DN stop then to the UP stop. Do this step 3 times. Turn the pitch-trim control wheel to the 0 deg. position.
NOTE: The THS operates.
   (4) On the ground service panel, make sure that the selector valve 2500MJ is in the E PUMP position.
   (5) On the cargo-compartment door control-panels, put and hold the selectors in the OPEN position until the cargo compartment doors are open. Put and hold the selectors in the CLOSE position until the cargo compartment doors are closed. Do this step 2 times.
NOTE: The forward and aft cargo-compartment doors operate.
   (6) Operate the thrust reverser of engine 2 (Ref. AMM D/O 73-29-00-74).
   (7) At the captain or first officer position, turn the handwheel fully to the left then fully to the right. Do this step 3 times.
NOTE: The Nose Wheel operates.
   (8) Stop the hydraulic power cart.
Subtask 12-36-29-281-051-A
C. Sampling Procedure
   (1) Take a sample from the Yellow hydraulic system and make an analysis (Ref. AMM TASK 12-32-29-281-001).
   (2) If the particle contamination is more than NSA307110 class 9, do the procedure again.
Subtask 12-36-29-010-081-A ** ON A/C NOT FOR ALL
D. Get Access
   (1) Open the access door 196BB.
   (2) Open the engine 2 fan-cowl doors (Ref. AMM TASK 71-13-00-010-040).
Subtask 12-36-29-010-081-B ** ON A/C NOT FOR ALL
D. Get Access
   (1) Open the access door 196BB.
   (2) Open the engine 2 fan-cowl doors (Ref. AMM TASK 71-13-00-010-010).
Subtask 12-36-29-010-081-D ** ON A/C NOT FOR ALL
D. Get Access
   (1) Open the access door 196BB.
   (2) Open the engine 2 fan-cowl doors (Ref. AMM TASK 71-13-00-010-040).
Subtask 12-36-29-869-070-A
E. Make sure that the clogging indicators on the filters 3002GM, 3048GM and 3084GM are in (the filter is not clogged).
5. Close-up
Subtask 12-36-29-860-115-A ** ON A/C NOT FOR ALL
A. Put the system back to the serviceable condition.
   (1) Connect the PTU isolation coupling (Ref. AMM TASK 29-23-00-860-002).
   (2) Put the locking handles of the forward and aft cargo-compartment doors in the LOCKED position.
   (3) Disconnect the pressure hose of the hydraulic power cart from the delivery connector 3008GM.
   (4) Disconnect the return hose of the hydraulic power cart from the suction connector 3006GM.
   (5) Remove the warning notices and safety barriers.
Subtask 12-36-29-860-115-B ** ON A/C NOT FOR ALL
A. Put the system back to the serviceable condition.
   (1) Remove the TURNTABLE - NLG STEERING OPERATION.
   (2) Connect the PTU isolation coupling (Ref. AMM TASK 29-23-00-860-002).
   (3) Put the locking handles of the forward and aft cargo-compartment doors in the LOCKED position.
   (4) Disconnect the pressure hose of the hydraulic power cart from the delivery connector 3008GM.
   (5) Disconnect the return hose of the hydraulic power cart from the suction connector 3006GM.
   (6) Remove the warning notices and safety barriers.
Subtask 12-36-29-410-069-A ** ON A/C NOT FOR ALL
B. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the access doors 196BB 198CB.
   (3) Close the engine 2 fan-cowl doors (Ref. AMM TASK 71-13-00-410-040).
Subtask 12-36-29-410-069-B ** ON A/C NOT FOR ALL
B. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the access doors 196BB 198CB.
   (3) Close the engine 2 fan-cowl doors (Ref. AMM TASK 71-13-00-410-010).
Subtask 12-36-29-410-069-D ** ON A/C NOT FOR ALL
B. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the access doors 196BB 198CB.
   (3) Close the engine 2 fan-cowl doors (Ref. AMM TASK 71-13-00-410-040).
Subtask 12-36-29-860-116-A
C. Put the aircraft back to the serviceable condition.
   (1) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
   (2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.04.02 06:10:40 UTC
"WTRUIB" 2025