DOC AIRBUS | AMM A320FInstallation of the Electro-Manual Selector Valve
TASK 52-36-12-400-001-A
Installation of the Electro-Manual Selector Valve
Self explanatory
2. Job Set-up Information
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 52-36-12-860-054-A
Subtask 52-36-12-860-053-A
Subtask 52-36-12-410-050-A
[Rev.10 from 2021]
2026.04.02 06:28:11 UTC
Installation of the Electro-Manual Selector Valve
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:
MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | CONTAINER - HYDRAULIC FLUID RESISTANT |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.02ABA1) | Phosphate Ester Hydraulic Fluid-General Power - - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 198 | REAR FAIRING |
| 198CB |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 14 | O-RING | AIPC 52-36-04-04-070 |
| 2 | O-RING | AIPC 52-36-04-04-083 |
| 3 | BACK-UP RING | AIPC 52-36-04-04-084 |
| 6 | SQUARE-SECTION SEAL | AIPC 52-36-04-04-085 |
| 5 | BACK-UP RING | AIPC 52-36-04-04-086 |
| 19 | O-RING | AIPC 52-36-04-04-093 |
| 18 | BACK-UP RING | AIPC 52-36-04-04-094 |
| 15 | SQUARE-SECTION SEAL | AIPC 52-36-04-04-095 |
| 16 | BACK-UP RING | AIPC 52-36-04-04-096 |
| 14 | O-RING | AIPC 52-36-84-34-070 |
| 2 | O-RING | AIPC 52-36-84-34-090 |
| 3 | BACK-UP RING | AIPC 52-36-84-34-100 |
| 6 | SQUARE-SECTION SEAL | AIPC 52-36-84-34-110 |
| 5 | BACK-UP RING | AIPC 52-36-84-34-120 |
| 19 | O-RING | AIPC 52-36-84-34-150 |
| 18 | BACK-UP RING | AIPC 52-36-84-34-160 |
| 15 | SQUARE-SECTION SEAL | AIPC 52-36-84-34-170 |
| 16 | BACK-UP RING | AIPC 52-36-84-34-180 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 20-23-21-911-001-A | Removal/Installation of the Bobbins from their Housings and Installation of O-rings, Square Seals, and Back-up Rings on the Bobbins |
| TASK 20-28-00-912-802-A | Electrical Bonding - General Maintenance Procedure |
| TASK 20-28-00-912-803-A | Bonding Surface Preparation |
| TASK 29-00-00-864-001-A | Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action |
| TASK 29-00-00-910-002-A | Safety Procedures of the Hydraulic System |
| TASK 29-10-00-864-002-A | Depressurize the Yellow Hydraulic System |
| 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 29-23-00-860-001-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 29-24-00-863-001-A | Pressurize the Yellow Hydraulic System with the Electric Pump |
| TASK 52-30-00-860-001-A | Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| TASK 52-30-00-860-004-A | Close the FWD or Aft Cargo-Compartment Door with the Hand Pump |
Electro-Manual Selector ValveSubtask 52-36-12-860-054-A
A. Aircraft Maintenance Configuration
(2) Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration.
(Ref. AMM TASK 29-00-00-864-001).
(3) Make sure that the reservoir of the Yellow hydraulic system is depressurized. (Ref. AMM TASK 29-14-00-614-001).
(4) Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected (Ref. AMM TASK 29-23-00-860-001).
(5) Make sure that the warning notices are in position to tell persons not to pressurize the Yellow hydraulic system:
(7) Make sure that the access panel 198CB is opened.
Subtask 52-36-12-865-051-A WARNING:
OBEY THE HYDRAULIC SAFETY PROCEDURES.
(1) Obey the hydraulic safety procedures (Ref. AMM TASK 29-00-00-910-002). (2) Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration.
(Ref. AMM TASK 29-00-00-864-001).
(3) Make sure that the reservoir of the Yellow hydraulic system is depressurized. (Ref. AMM TASK 29-14-00-614-001).
(4) Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected (Ref. AMM TASK 29-23-00-860-001).
(5) Make sure that the warning notices are in position to tell persons not to pressurize the Yellow hydraulic system:
- In the cockpit on the hydraulic section 40VU of the overhead panel,
- On the ground service panel of the Yellow hydraulic system.
(7) Make sure that the access panel 198CB is opened.
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N30 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N31 |
| ** ON A/C ALL | |||
| 122VU | DOORS/CARGO | 1MJ | T12 |
| 123VU | Y HYD/ELEC/PUMP | 3802GX | AB06 |
| 123VU | Y HYD/ELEC/ELEC PUMP/NORM | 3801GX | AB03 |
Subtask 52-36-12-860-053-A
A. Preparation for Installation
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Prepare the bobbins (4) as follows:
(a) Remove the O-ring (2), the back-up rings (3) and (5) and the square-section seal (6) from the bobbin (4).
(b) Lubricate the new AIPC 52-36-04-04-083 O-RING (2) or AIPC 52-36-84-34-090 O-RING (2), the new AIPC 52-36-04-04-084 BACK-UP RING (3) or AIPC 52-36-84-34-100 BACK-UP RING (3), the new AIPC 52-36-04-04-086 BACK-UP RING (5) or AIPC 52-36-84-34-120 BACK-UP RING (5) and the new AIPC 52-36-04-04-085 SQUARE-SECTION SEAL (6) or AIPC 52-36-84-34-110 SQUARE-SECTION SEAL (6) with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) .
(c) Put the new back-up ring (5) in position on the side of the bobbin (4) without the identification grooves (equipment side).
(d) Put the new square-section seal (6) in position on the side of the bobbins (4) without the identification grooves (equipment side).
(e) Put the new back-up ring (3) in position on the side of the bobbins (4) with the identification grooves (panel side).
(f) Put the new O-ring (2) in position on the side of the bobbins (4) with the identification grooves (panel side).
(4) Prepare the bobbin (17) as follows:
(a) Remove the O-ring (19), the back-up rings (18) and (16) and the square-section seal (15) from the bobbin (17).
(b) Lubricate the new AIPC 52-36-04-04-093 O-RING (19) or AIPC 52-36-84-34-150 O-RING (19), the new AIPC 52-36-04-04-094 BACK-UP RING (18) or AIPC 52-36-84-34-160 BACK-UP RING (18), the new AIPC 52-36-04-04-096 BACK-UP RING (16) or AIPC 52-36-84-34-180 BACK-UP RING (16) and the new AIPC 52-36-04-04-095 SQUARE-SECTION SEAL (15) or AIPC 52-36-84-34-170 SQUARE-SECTION SEAL (15) with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) .
(c) Put the new back-up ring (16) in position on the side of the bobbin (17) without the identification grooves (equipment side).
(d) Put the new square-section seal (15) in position on the side of the bobbin (17) without the identification grooves (equipment side).
(e) Put the new back-up ring (18) in position on the side of the bobbin (17) with the identification grooves (panel side).
(f) Put the new O-ring (19) in position on the side of the bobbin (17) with the identification grooves (panel side).
(5) Remove the blanking plugs from the valve panel (1) and install the bobbins (4) and (17) with the identification grooves in the valve panel ports (Ref. AMM TASK 20-23-21-911-001).
(6) Put the new AIPC 52-36-04-04-070 O-RING (14) or AIPC 52-36-84-34-070 O-RING (14) in position on the electrical connector (13).
Subtask 52-36-12-420-050-A (1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Prepare the bobbins (4) as follows:
(a) Remove the O-ring (2), the back-up rings (3) and (5) and the square-section seal (6) from the bobbin (4).
(b) Lubricate the new AIPC 52-36-04-04-083 O-RING (2) or AIPC 52-36-84-34-090 O-RING (2), the new AIPC 52-36-04-04-084 BACK-UP RING (3) or AIPC 52-36-84-34-100 BACK-UP RING (3), the new AIPC 52-36-04-04-086 BACK-UP RING (5) or AIPC 52-36-84-34-120 BACK-UP RING (5) and the new AIPC 52-36-04-04-085 SQUARE-SECTION SEAL (6) or AIPC 52-36-84-34-110 SQUARE-SECTION SEAL (6) with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) .
(c) Put the new back-up ring (5) in position on the side of the bobbin (4) without the identification grooves (equipment side).
(d) Put the new square-section seal (6) in position on the side of the bobbins (4) without the identification grooves (equipment side).
(e) Put the new back-up ring (3) in position on the side of the bobbins (4) with the identification grooves (panel side).
(f) Put the new O-ring (2) in position on the side of the bobbins (4) with the identification grooves (panel side).
(4) Prepare the bobbin (17) as follows:
(a) Remove the O-ring (19), the back-up rings (18) and (16) and the square-section seal (15) from the bobbin (17).
(b) Lubricate the new AIPC 52-36-04-04-093 O-RING (19) or AIPC 52-36-84-34-150 O-RING (19), the new AIPC 52-36-04-04-094 BACK-UP RING (18) or AIPC 52-36-84-34-160 BACK-UP RING (18), the new AIPC 52-36-04-04-096 BACK-UP RING (16) or AIPC 52-36-84-34-180 BACK-UP RING (16) and the new AIPC 52-36-04-04-095 SQUARE-SECTION SEAL (15) or AIPC 52-36-84-34-170 SQUARE-SECTION SEAL (15) with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) .
(c) Put the new back-up ring (16) in position on the side of the bobbin (17) without the identification grooves (equipment side).
(d) Put the new square-section seal (15) in position on the side of the bobbin (17) without the identification grooves (equipment side).
(e) Put the new back-up ring (18) in position on the side of the bobbin (17) with the identification grooves (panel side).
(f) Put the new O-ring (19) in position on the side of the bobbin (17) with the identification grooves (panel side).
(5) Remove the blanking plugs from the valve panel (1) and install the bobbins (4) and (17) with the identification grooves in the valve panel ports (Ref. AMM TASK 20-23-21-911-001).
(6) Put the new AIPC 52-36-04-04-070 O-RING (14) or AIPC 52-36-84-34-070 O-RING (14) in position on the electrical connector (13).
B. Installation of the Electro-Manual Selector Valve
(1) Remove the blanking plugs from the ports of the selector valve (7).
(2) Put the selector valve (7) on the valve panel (1) so that the bobbins (4) and (17) engage correctly.
(3) Install the bolts (9) and the washers (8) on the selector valve (7).
(4) Prepare the surface of the bonding point(s)
(Ref. AMM TASK 20-28-00-912-803).
(5) Install the bonding strap (12), the washer (11) and the bolt (10) on to the selector valve (7).
(6) Tighten the bolts (9) and (10).
(7) Do the electrical resistance measurement and the final protection of the bonding point(s)
(Ref. AMM TASK 20-28-00-912-802).
Subtask 52-36-12-865-052-A (1) Remove the blanking plugs from the ports of the selector valve (7).
(2) Put the selector valve (7) on the valve panel (1) so that the bobbins (4) and (17) engage correctly.
(3) Install the bolts (9) and the washers (8) on the selector valve (7).
(4) Prepare the surface of the bonding point(s)
(Ref. AMM TASK 20-28-00-912-803).
(5) Install the bonding strap (12), the washer (11) and the bolt (10) on to the selector valve (7).
(6) Tighten the bolts (9) and (10).
(7) Do the electrical resistance measurement and the final protection of the bonding point(s)
(Ref. AMM TASK 20-28-00-912-802).
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 52-36-12-860-050-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N30 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N31 |
| ** ON A/C ALL | |||
| 122VU | DOORS/CARGO | 1MJ | T12 |
| 123VU | Y HYD/ELEC/PUMP | 3802GX | AB06 |
| 123VU | Y HYD/ELEC/ELEC PUMP/NORM | 3801GX | AB03 |
D. Preparation for the Test
(1) Remove the warning notices from the ground service panel and the overhead panel of the cockpit.
(2) Connect the isolation coupling of the Power Transfer Unit (PTU) (Ref. AMM TASK 29-23-00-860-002).
(3) Pressurize the reservoir of the Yellow hydraulic system (Ref. AMM TASK 29-14-00-614-002).
(4) Pressurize the Yellow hydraulic system (Ref. AMM TASK 29-24-00-863-001).
Subtask 52-36-12-710-050-A (1) Remove the warning notices from the ground service panel and the overhead panel of the cockpit.
(2) Connect the isolation coupling of the Power Transfer Unit (PTU) (Ref. AMM TASK 29-23-00-860-002).
(3) Pressurize the reservoir of the Yellow hydraulic system (Ref. AMM TASK 29-14-00-614-002).
(4) Pressurize the Yellow hydraulic system (Ref. AMM TASK 29-24-00-863-001).
E. Operational Test
(1) Open the cargo door with the hand pump to make sure that the selector valve (7) operates correctly. (Ref. AMM TASK 52-30-00-860-004).
(2) Close the cargo door with the Yellow electric pump to make sure that the selector valve (7) operates correctly. (Ref. AMM TASK 52-30-00-860-001).
(3) Examine the selector valve connections and make sure that there are no leaks.
5. Close-up(1) Open the cargo door with the hand pump to make sure that the selector valve (7) operates correctly. (Ref. AMM TASK 52-30-00-860-004).
(2) Close the cargo door with the Yellow electric pump to make sure that the selector valve (7) operates correctly. (Ref. AMM TASK 52-30-00-860-001).
(3) Examine the selector valve connections and make sure that there are no leaks.
Subtask 52-36-12-410-050-A
A. Close Access
(1) Make sure that the Yellow hydraulic system is depressurizied (Ref. AMM TASK 29-10-00-864-002).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Remove the container.
(4) Close the access door 198CB of the Yellow ground service panel.
(5) Remove the access platform(s).
(1) Make sure that the Yellow hydraulic system is depressurizied (Ref. AMM TASK 29-10-00-864-002).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Remove the container.
(4) Close the access door 198CB of the Yellow ground service panel.
(5) Remove the access platform(s).