DOC AIRBUS | AMM A320FInstallation of the Reservoir Pressure Check Valves
TASK 29-14-18-400-001-A
Installation of the Reservoir Pressure Check Valves
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Expendable Parts
D. Referenced Information
3. Job Set-up
Subtask 29-14-18-860-051-B ** ON A/C NOT FOR ALL
Subtask 29-14-18-420-050-B
Subtask 29-14-18-860-052-B ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 00:24:47 UTC
Installation of the Reservoir Pressure Check Valves
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.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.02ABA1) | Phosphate Ester Hydraulic Fluid-General Power - - |
| (Material No.14CCB6) | Testing Medium-Leak Detection - Oxygen System |
| (Material No.14QFB1) | Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 1 | O-RING | AIPC 29-14-03-03-320 |
| 1 | O-RING | AIPC 29-14-83-04-300 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 25-21-41-000-001-A | Removal of the Passenger Seats |
| TASK 25-21-41-400-001-A | Installation of the Passenger Seats |
| TASK 25-55-11-000-001-A | Removal of the Aft Cargo-Compartment Partition at FR47 |
| TASK 25-55-11-000-002-A | Removal of the Ceiling Panels in the Aft Cargo-Compartment - FR47/FR59 |
| TASK 25-55-11-000-003-A | Removal of the Sidewall Panels in the Aft Cargo Compartment - FR47/FR59 |
| TASK 25-55-11-400-001-A | Installation of the Aft Cargo-Compartment Partition at FR47 |
| TASK 25-55-11-400-002-A | Installation of the Ceiling Panels in the Aft Cargo-Compartment - FR47/FR59 |
| TASK 25-55-11-400-003-A | Installation of the Sidewall Panels in the Aft Cargo Compartment - FR47/FR59 |
| TASK 28-11-27-000-001-A | Removal of the Additional Center Tank (ACT) |
| TASK 28-11-27-400-001-A | Installation of the Additional Center Tank (ACT) |
| TASK 29-00-00-864-001-A | Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action |
| 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 53-32-12-000-002-A | Removal of the Cabin Floor Panels |
| TASK 53-32-12-400-002-A | Installation of the Cabin Floor Panels |
| TASK 53-42-12-000-001-A | Removal of the Cabin Floor Panels from FR47 thru FR64 |
| TASK 53-42-12-400-001-A | Installation of the Cabin Floor Panels from FR47 thru FR64 |
Reservoir Check ValvesSubtask 29-14-18-860-051-B ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) For 1388GM:
(a) Make sure that the warning notices are in position on the panels that follow, to tell persons not to pressurize the Green hydraulic system:
(c) Make sure that the reservoir of the Green hydraulic system is depressurized (Ref. AMM TASK 29-14-00-614-001).
(d) Make sure that the applicable passenger seats are removed to get access to the floor panel between FR42 and FR43 (Ref. AMM TASK 25-21-41-000-001).
(e) Make sure that the floor panel between FR42 and FR43 is removed (Ref. AMM TASK 53-32-12-000-002).
(f) Make sure that the blanking plugs are installed on the line ends.
(2) For 2388GM:
(a) Make sure that the warning notices are in position to tell persons not to pressurize the Blue hydraulic system:
(c) Make sure that the reservoir of the Blue hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
(d) In the aft cargo compartment:
1 Make sure that the ceiling panel between FR47 and FR50 is removed (Ref. AMM TASK 25-55-11-000-002).
2 If necessary, make sure that the sidewall panel(s) between FR47 and FR50 is/are removed (Ref. AMM TASK 25-55-11-000-003).
3 If necessary, make sure that the partition panel(s) between FR47 and FR50 is/are removed (Ref. AMM TASK 25-55-11-000-001).
or
(e) In the passenger compartment:
1 Make sure that the applicable passenger seats are removed to get access to the floor panel between FR47 and FR51 (Ref. AMM TASK 25-21-41-000-001).
2 Make sure that the floor panel between FR47 and FR51 is removed (Ref. AMM TASK 53-42-12-000-001).
(f) Make sure that the blanking plugs are installed on the line ends.
(3) For 3388GM:
(a) Make sure that the warning notices are in position to tell persons not to pressurize the Yellow hydraulic system:
(c) Make sure that the reservoir of the Yellow hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
(d) Make sure that the applicable passenger seats are removed to get access to the floor panel between FR42 and FR43 (Ref. AMM TASK 25-21-41-000-001).
(e) Make sure that the floor panel between FR42 and FR43 is removed (Ref. AMM TASK 53-32-12-000-002).
(f) Make sure that the blanking plugs are installed on the line ends.
Subtask 29-14-18-860-051-C ** ON A/C NOT FOR ALL (1) For 1388GM:
(a) Make sure that the warning notices are in position on the panels that follow, to tell persons not to pressurize the Green hydraulic system:
- In the cockpit on the hydraulic section 40VU of the overhead panel
- On the ground service panel of the Green hydraulic system.
(c) Make sure that the reservoir of the Green hydraulic system is depressurized (Ref. AMM TASK 29-14-00-614-001).
(d) Make sure that the applicable passenger seats are removed to get access to the floor panel between FR42 and FR43 (Ref. AMM TASK 25-21-41-000-001).
(e) Make sure that the floor panel between FR42 and FR43 is removed (Ref. AMM TASK 53-32-12-000-002).
(f) Make sure that the blanking plugs are installed on the line ends.
(2) For 2388GM:
(a) Make sure that the warning notices are in position to tell persons not to pressurize the Blue hydraulic system:
- In the cockpit on the hydraulic section 40VU of the overhead panel
- On the ground service panel of the Blue hydraulic system.
(c) Make sure that the reservoir of the Blue hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
(d) In the aft cargo compartment:
1 Make sure that the ceiling panel between FR47 and FR50 is removed (Ref. AMM TASK 25-55-11-000-002).
2 If necessary, make sure that the sidewall panel(s) between FR47 and FR50 is/are removed (Ref. AMM TASK 25-55-11-000-003).
3 If necessary, make sure that the partition panel(s) between FR47 and FR50 is/are removed (Ref. AMM TASK 25-55-11-000-001).
or
(e) In the passenger compartment:
1 Make sure that the applicable passenger seats are removed to get access to the floor panel between FR47 and FR51 (Ref. AMM TASK 25-21-41-000-001).
2 Make sure that the floor panel between FR47 and FR51 is removed (Ref. AMM TASK 53-42-12-000-001).
(f) Make sure that the blanking plugs are installed on the line ends.
(3) For 3388GM:
(a) 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.
(c) Make sure that the reservoir of the Yellow hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
(d) Make sure that the applicable passenger seats are removed to get access to the floor panel between FR42 and FR43 (Ref. AMM TASK 25-21-41-000-001).
(e) Make sure that the floor panel between FR42 and FR43 is removed (Ref. AMM TASK 53-32-12-000-002).
(f) Make sure that the blanking plugs are installed on the line ends.
A. Aircraft Maintenance Configuration
(1) For 1388GM
(a) Make sure that the warning notices are in position to tell persons not to pressurize the Green hydraulic system:
(Ref. AMM TASK 29-00-00-864-001)
(c) Make sure that the reservoir of the Green hydraulic system is depressurized
(Ref. AMM TASK 29-14-00-614-001).
(d) Make sure that the applicable passenger seats are removed to get access to the floor panel between FR42 and FR43 (Ref. AMM TASK 25-21-41-000-001).
(e) Make sure that the floor panel between FR42 and FR43 is removed (Ref. AMM TASK 53-32-12-000-002).
(f) Make sure that the blanking plugs are installed.
(2) For 2388GM
(a) Make sure that the warning notices are in position to tell persons not to pressurize the Blue hydraulic system:
(Ref. AMM TASK 29-00-00-864-001)
(c) Make sure that the reservoir of the Blue hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
(d) In the aft cargo compartment:
1 Make sure that the ceiling panel between FR47/51 and FR54 is removed (Ref. AMM TASK 25-55-11-000-002).
or
(e) In the passenger compartment:
1 Make sure that the applicable passenger seats are removed to get access to the floor panel between FR47/51 and FR54 (Ref. AMM TASK 25-21-41-000-001).
2 Make sure that the floor panel between FR47/51 and FR54 is removed (Ref. AMM TASK 53-42-12-000-001).
(f) Make sure that the blanking plugs are installed.
(3) For 3388GM
(a) Make sure that the warning notices are in position to tell persons not to pressurize the Yellow hydraulic system:
(Ref. AMM TASK 29-00-00-864-001)
(c) Make sure that the reservoir of the Yellow hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
(d) Make sure that the applicable passenger seats are removed to get access to the floor panel between FR42 and FR43 (Ref. AMM TASK 25-21-41-000-001).
(e) Make sure that the floor panel between FR42 and FR43 is removed (Ref. AMM TASK 53-32-12-000-002).
(f) Make sure that the blanking plugs are installed.
Subtask 29-14-18-860-051-E ** ON A/C NOT FOR ALL (1) For 1388GM
(a) Make sure that the warning notices are in position to tell persons not to pressurize the Green hydraulic system:
- In the cockpit on the hydraulic section 40VU of the overhead panel,
- On the ground service panel of the Green hydraulic system.
(Ref. AMM TASK 29-00-00-864-001)
(c) Make sure that the reservoir of the Green hydraulic system is depressurized
(Ref. AMM TASK 29-14-00-614-001).
(d) Make sure that the applicable passenger seats are removed to get access to the floor panel between FR42 and FR43 (Ref. AMM TASK 25-21-41-000-001).
(e) Make sure that the floor panel between FR42 and FR43 is removed (Ref. AMM TASK 53-32-12-000-002).
(f) Make sure that the blanking plugs are installed.
(2) For 2388GM
(a) Make sure that the warning notices are in position to tell persons not to pressurize the Blue hydraulic system:
- In the cockpit on the hydraulic section 40VU of the overhead panel,
- On the ground service panel of the Blue hydraulic system.
(Ref. AMM TASK 29-00-00-864-001)
(c) Make sure that the reservoir of the Blue hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
(d) In the aft cargo compartment:
1 Make sure that the ceiling panel between FR47/51 and FR54 is removed (Ref. AMM TASK 25-55-11-000-002).
or
(e) In the passenger compartment:
1 Make sure that the applicable passenger seats are removed to get access to the floor panel between FR47/51 and FR54 (Ref. AMM TASK 25-21-41-000-001).
2 Make sure that the floor panel between FR47/51 and FR54 is removed (Ref. AMM TASK 53-42-12-000-001).
(f) Make sure that the blanking plugs are installed.
(3) For 3388GM
(a) 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.
(Ref. AMM TASK 29-00-00-864-001)
(c) Make sure that the reservoir of the Yellow hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
(d) Make sure that the applicable passenger seats are removed to get access to the floor panel between FR42 and FR43 (Ref. AMM TASK 25-21-41-000-001).
(e) Make sure that the floor panel between FR42 and FR43 is removed (Ref. AMM TASK 53-32-12-000-002).
(f) Make sure that the blanking plugs are installed.
A. Aircraft Maintenance Configuration
(1) For 1388GM
(a) Make sure that the warning notices are in position on the panels that follow to tell persons not to pressurize the Green hydraulic system:
(Ref. AMM TASK 29-00-00-864-001).
(c) Make sure that the reservoir of the Green hydraulic system is depressurized
(Ref. AMM TASK 29-14-00-614-001).
(d) Make sure that the applicable passenger seats are removed to get access to the floor panel between FR42 and FR43 (Ref. AMM TASK 25-21-41-000-001).
(e) Make sure that the floor panel between FR42 and FR43 is removed (Ref. AMM TASK 53-32-12-000-002).
(2) For 2388GM
(a) Make sure that the warning notices are in position to tell persons not to pressurize the Blue hydraulic system:
(Ref. AMM TASK 29-00-00-864-001).
(c) Make sure that the reservoir of the Blue hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
(d) In the aft cargo compartment:
1 If necessary, make sure that the additional center tank(s) is/are removed (Ref. AMM TASK 28-11-27-000-001).
2 Make sure that the ceiling panel between FR47 and FR47.5 is removed (Ref. AMM TASK 25-55-11-000-002).
3 If necessary, make sure that the sidewall panel(s) between FR47 and FR47.5 is/are removed (Ref. AMM TASK 25-55-11-000-003).
4 If necessary, make sure that the partition panel(s) between FR47 and FR47.5 is/are removed (Ref. AMM TASK 25-55-11-000-001).
or
(e) In the passenger compartment:
1 Make sure that the applicable passenger seats are removed to get access to the floor panel between FR47 and FR47.5 (Ref. AMM TASK 25-21-41-000-001).
2 Make sure that the floor panel between FR47 and FR47.5 is removed (Ref. AMM TASK 53-42-12-000-001).
(3) For 3388GM
(a) Make sure that the warning notices are in position to tell persons not to pressurize the Yellow hydraulic system:
(Ref. AMM TASK 29-00-00-864-001).
(c) Make sure that the reservoir of the Yellow hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
(d) Make sure that the applicable passenger seats are removed to get access to the floor panel between FR42 and FR43 (Ref. AMM TASK 25-21-41-000-001).
(e) Make sure that the floor panel between FR42 and FR43 is removed (Ref. AMM TASK 53-32-12-000-002).
Subtask 29-14-18-865-051-A (1) For 1388GM
(a) Make sure that the warning notices are in position on the panels that follow to tell persons not to pressurize the Green hydraulic system:
- In the cockpit on the hydraulic section 40VU of the overhead panel
- On the ground service panel of the Green hydraulic system.
(Ref. AMM TASK 29-00-00-864-001).
(c) Make sure that the reservoir of the Green hydraulic system is depressurized
(Ref. AMM TASK 29-14-00-614-001).
(d) Make sure that the applicable passenger seats are removed to get access to the floor panel between FR42 and FR43 (Ref. AMM TASK 25-21-41-000-001).
(e) Make sure that the floor panel between FR42 and FR43 is removed (Ref. AMM TASK 53-32-12-000-002).
(2) For 2388GM
(a) Make sure that the warning notices are in position to tell persons not to pressurize the Blue hydraulic system:
- In the cockpit on the hydraulic section 40VU of the overhead panel
- On the ground service panel of the Blue hydraulic system.
(Ref. AMM TASK 29-00-00-864-001).
(c) Make sure that the reservoir of the Blue hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
(d) In the aft cargo compartment:
1 If necessary, make sure that the additional center tank(s) is/are removed (Ref. AMM TASK 28-11-27-000-001).
2 Make sure that the ceiling panel between FR47 and FR47.5 is removed (Ref. AMM TASK 25-55-11-000-002).
3 If necessary, make sure that the sidewall panel(s) between FR47 and FR47.5 is/are removed (Ref. AMM TASK 25-55-11-000-003).
4 If necessary, make sure that the partition panel(s) between FR47 and FR47.5 is/are removed (Ref. AMM TASK 25-55-11-000-001).
or
(e) In the passenger compartment:
1 Make sure that the applicable passenger seats are removed to get access to the floor panel between FR47 and FR47.5 (Ref. AMM TASK 25-21-41-000-001).
2 Make sure that the floor panel between FR47 and FR47.5 is removed (Ref. AMM TASK 53-42-12-000-001).
(3) For 3388GM
(a) 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.
(Ref. AMM TASK 29-00-00-864-001).
(c) Make sure that the reservoir of the Yellow hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
(d) Make sure that the applicable passenger seats are removed to get access to the floor panel between FR42 and FR43 (Ref. AMM TASK 25-21-41-000-001).
(e) Make sure that the floor panel between FR42 and FR43 is removed (Ref. AMM TASK 53-32-12-000-002).
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 49VU | HYD/HYD PWR/B WARN/& CTL | 2702GJ | C12 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | HYDRAULIC/G HYD/PUMP ENG1/CTL | 1701GK | H12 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/CTL | 1701GK | R35 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N30 |
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/MONG | 1702GK | R34 |
| ** ON A/C ALL | |||
| 121VU | APU/APU/CTL | 2KD | L42 |
| 121VU | APU/ECB/SPLY | 1KD | L41 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N31 |
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/MONG | 1702GK | R33 |
| ** ON A/C ALL | |||
| 123VU | B HYD/ELEC PUMP | 2701GJ | AB09 |
| 123VU | Y HYD/ELEC/PUMP | 3802GX | AB06 |
| 123VU | Y HYD/ELEC/ELEC PUMP/NORM | 3801GX | AB03 |
Subtask 29-14-18-420-050-B
A. Installation of the Reservoir Pressure Check Valves
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the blanking plugs.
(4) Make sure that the air bleed pipe end fitting is serviceable.
(5) Apply Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) to the O-ring (1).
(6) Put the AIPC 29-14-03-03-320 O-RING (1) or AIPC 29-14-83-04-300 O-RING (1) in position on the check valve (2).
(7) Install the check valve (2).
(8) TORQUE the check valves (2) as follows:
(a) Check valve (2388GM) to between 1.32 and 1.21 m.daN (116.81 and 107.08 lbf.in )
,
(b) Check valve (1388GM) and (3388GM) to between 1.19 and 1.08 m.daN (105.31 and 95.58 lbf.in ).
(9) Connect the union nut (3) to the check valve (2).
(10) TORQUE the union nut (3) of the air bleed pipe to between 2.3 and 2.0 m.daN (16.96 and 14.75 lbf.ft ).
(11) Safety the check valve (2) (only (1388GM), (3388GM)) with14QFB1 Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -
Subtask 29-14-18-790-050-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) Clean the component interfaces and the adjacent area.(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the blanking plugs.
(4) Make sure that the air bleed pipe end fitting is serviceable.
(5) Apply Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) to the O-ring (1).
(6) Put the AIPC 29-14-03-03-320 O-RING (1) or AIPC 29-14-83-04-300 O-RING (1) in position on the check valve (2).
(7) Install the check valve (2).
(8) TORQUE the check valves (2) as follows:
(a) Check valve (2388GM) to between 1.32 and 1.21 m.daN (116.81 and 107.08 lbf.in )
, (b) Check valve (1388GM) and (3388GM) to between 1.19 and 1.08 m.daN (105.31 and 95.58 lbf.in )
. (9) Connect the union nut (3) to the check valve (2).
(10) TORQUE the union nut (3) of the air bleed pipe to between 2.3 and 2.0 m.daN (16.96 and 14.75 lbf.ft )
. (11) Safety the check valve (2) (only (1388GM), (3388GM)) with
B. Leak Test
(1) Pressurize the related hydraulic reservoir(s) (Ref. AMM TASK 29-14-00-614-002).
(2) Apply Testing Medium-Leak Detection - Oxygen System (Material No.14CCB6) to the connections of the check valve (2).
(3) Examine the connections for leaks.
5. Close-up(1) Pressurize the related hydraulic reservoir(s) (Ref. AMM TASK 29-14-00-614-002).
(2) Apply Testing Medium-Leak Detection - Oxygen System (Material No.14CCB6) to the connections of the check valve (2).
(3) Examine the connections for leaks.
Subtask 29-14-18-860-052-B ** ON A/C NOT FOR ALL
A. Put the aircraft back to the serviceable condition.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) For 1388GM:
(a) Remove the warning notices from the cockpit and from the ground service panel of the Green hydraulic system.
(b) Install the floor panel between FR42 and FR43 (Ref. AMM TASK 53-32-12-400-002).
(c) Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
(3) For 2388GM:
(a) Remove the warning notices from the cockpit and from the ground service panel of the Blue hydraulic system.
(b) In the aft cargo compartment:
1 Install the ceiling panel between FR47 and FR50 (Ref. AMM TASK 25-55-11-400-002).
2 If necessary, install the sidewall panel(s) between FR47 and FR50 (Ref. AMM TASK 25-55-11-400-003).
3 If necessary, install the partition panel(s) between FR47 and FR50 (Ref. AMM TASK 25-55-11-400-001).
or
(c) In the passenger compartment:
1 Install the floor panel between FR47 and FR51 (Ref. AMM TASK 53-42-12-400-001).
2 Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
(4) For 3388GM:
(a) Remove the warning notices from the cockpit and from the ground service panel of the Yellow hydraulic system.
(b) Install the floor panel between FR42 and FR43 (Ref. AMM TASK 53-32-12-400-002)
(c) Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
Subtask 29-14-18-860-052-C ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) For 1388GM:
(a) Remove the warning notices from the cockpit and from the ground service panel of the Green hydraulic system.
(b) Install the floor panel between FR42 and FR43 (Ref. AMM TASK 53-32-12-400-002).
(c) Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
(3) For 2388GM:
(a) Remove the warning notices from the cockpit and from the ground service panel of the Blue hydraulic system.
(b) In the aft cargo compartment:
1 Install the ceiling panel between FR47 and FR50 (Ref. AMM TASK 25-55-11-400-002).
2 If necessary, install the sidewall panel(s) between FR47 and FR50 (Ref. AMM TASK 25-55-11-400-003).
3 If necessary, install the partition panel(s) between FR47 and FR50 (Ref. AMM TASK 25-55-11-400-001).
or
(c) In the passenger compartment:
1 Install the floor panel between FR47 and FR51 (Ref. AMM TASK 53-42-12-400-001).
2 Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
(4) For 3388GM:
(a) Remove the warning notices from the cockpit and from the ground service panel of the Yellow hydraulic system.
(b) Install the floor panel between FR42 and FR43 (Ref. AMM TASK 53-32-12-400-002)
(c) Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
A. Put the aircraft back to the serviceable condition.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) For 1388GM
(a) Remove the warning notices from the cockpit and from the ground service panel of the Green hydraulic system.
(b) Install the floor panel between FR42 and FR43 (Ref. AMM TASK 53-32-12-400-002).
(c) Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
(3) For 2388GM
(a) Remove the warning notices from the cockpit and from the ground service panel of the Blue hydraulic system.
(b) In the aft cargo compartment:
1 Install the ceiling panel between FR47/51 and FR54 (Ref. AMM TASK 25-55-11-400-002).
or
(c) In the passenger compartment:
1 Install the floor panel between FR47/51 and FR54 (Ref. AMM TASK 53-42-12-400-001).
2 Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
(4) For 3388GM
(a) Remove the warning notices from the cockpit and from the ground service panel of the Yellow hydraulic system.
(b) Install the floor panel between FR42 and FR43 (Ref. AMM TASK 53-32-12-400-002).
(c) Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
Subtask 29-14-18-860-052-E ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) For 1388GM
(a) Remove the warning notices from the cockpit and from the ground service panel of the Green hydraulic system.
(b) Install the floor panel between FR42 and FR43 (Ref. AMM TASK 53-32-12-400-002).
(c) Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
(3) For 2388GM
(a) Remove the warning notices from the cockpit and from the ground service panel of the Blue hydraulic system.
(b) In the aft cargo compartment:
1 Install the ceiling panel between FR47/51 and FR54 (Ref. AMM TASK 25-55-11-400-002).
or
(c) In the passenger compartment:
1 Install the floor panel between FR47/51 and FR54 (Ref. AMM TASK 53-42-12-400-001).
2 Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
(4) For 3388GM
(a) Remove the warning notices from the cockpit and from the ground service panel of the Yellow hydraulic system.
(b) Install the floor panel between FR42 and FR43 (Ref. AMM TASK 53-32-12-400-002).
(c) Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
A. Put the aircraft back to the serviceable condition.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) For 1388GM
(a) Install the floor panel between FR42 and FR43 (Ref. AMM TASK 53-32-12-400-002).
(b) Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
(c) Remove the warning notices from the cockpit and from the ground service panel of the Green hydraulic system.
(3) For 2388GM
(a) In the aft cargo compartment:
1 Install the ceiling panel between FR47 and FR47.5 (Ref. AMM TASK 25-55-11-400-002).
2 If necessary, install the sidewall panel(s) between FR47 and FR47.5 (Ref. AMM TASK 25-55-11-400-003).
3 If necessary, install the partition panel(s) between FR47 and FR47.5 (Ref. AMM TASK 25-55-11-400-001).
4 If necessary, install the additional center tank(s) (Ref. AMM TASK 28-11-27-400-001).
or
(b) In the passenger compartment:
1 Install the floor panel between FR47 and FR47.5 (Ref. AMM TASK 53-42-12-400-001).
2 Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
(c) Remove the warning notices from the cockpit and from the ground service panel of the Blue hydraulic system.
(4) For 3388GM
(a) Install the floor panel between FR42 and FR43 (Ref. AMM TASK 53-32-12-400-002).
(b) Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
(c) Remove the warning notices from the cockpit and from the ground service panel of the Yellow hydraulic system.
Subtask 29-14-18-865-052-A (1) Make sure that the work area is clean and clear of tools and other items.
(2) For 1388GM
(a) Install the floor panel between FR42 and FR43 (Ref. AMM TASK 53-32-12-400-002).
(b) Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
(c) Remove the warning notices from the cockpit and from the ground service panel of the Green hydraulic system.
(3) For 2388GM
(a) In the aft cargo compartment:
1 Install the ceiling panel between FR47 and FR47.5 (Ref. AMM TASK 25-55-11-400-002).
2 If necessary, install the sidewall panel(s) between FR47 and FR47.5 (Ref. AMM TASK 25-55-11-400-003).
3 If necessary, install the partition panel(s) between FR47 and FR47.5 (Ref. AMM TASK 25-55-11-400-001).
4 If necessary, install the additional center tank(s) (Ref. AMM TASK 28-11-27-400-001).
or
(b) In the passenger compartment:
1 Install the floor panel between FR47 and FR47.5 (Ref. AMM TASK 53-42-12-400-001).
2 Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
(c) Remove the warning notices from the cockpit and from the ground service panel of the Blue hydraulic system.
(4) For 3388GM
(a) Install the floor panel between FR42 and FR43 (Ref. AMM TASK 53-32-12-400-002).
(b) Install the applicable passenger seats, if removed (Ref. AMM TASK 25-21-41-400-001).
(c) Remove the warning notices from the cockpit and from the ground service panel of the Yellow hydraulic system.
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 49VU | HYD/HYD PWR/B WARN/& CTL | 2702GJ | C12 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | HYDRAULIC/G HYD/PUMP ENG1/CTL | 1701GK | H12 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/CTL | 1701GK | R35 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N30 |
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/MONG | 1702GK | R34 |
| ** ON A/C ALL | |||
| 121VU | APU/APU/CTL | 2KD | L42 |
| 121VU | APU/ECB/SPLY | 1KD | L41 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N31 |
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/MONG | 1702GK | R33 |
| ** ON A/C ALL | |||
| 123VU | B HYD/ELEC PUMP | 2701GJ | AB09 |
| 123VU | Y HYD/ELEC/PUMP | 3802GX | AB06 |
| 123VU | Y HYD/ELEC/ELEC PUMP/NORM | 3801GX | AB03 |