DOC AIRBUS | AMM A320FInstallation of the Power Transfer Unit (PTU) Manifold of the Green Hydraulic System
TASK 29-11-15-400-001-A
Installation of the Power Transfer Unit (PTU) Manifold of the Green Hydraulic System
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 29-11-15-860-053-A ** ON A/C NOT FOR ALL
Subtask 29-11-15-560-050-B
Subtask 29-11-15-860-055-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 00:14:30 UTC
Installation of the Power Transfer Unit (PTU) Manifold of the Green Hydraulic System
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
B. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.02ABA1) | Phosphate Ester Hydraulic Fluid-General Power - - |
| (Material No.04QAB2) | Coating_- Flexible Structure |
| (Material No.06AAA1) | Polysulfide Sealant_General Purpose Brushable - |
| (Material No.06AEA1) | Polysulfide Sealant-Low Adhesion Brushable - |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 60 | O-RINGS | AIPC 29-11-15-02-020 |
| 15 | BACK-UP RINGS | AIPC 29-11-15-02-030 |
| 61 | BACK-UP RINGS | AIPC 29-11-15-02-040 |
| 62 | SQUARE SECTION SEALS | AIPC 29-11-15-02-050 |
| 63 | O-RINGS | AIPC 29-11-15-02-110 |
| 31 | BACK-UP RINGS | AIPC 29-11-15-02-120 |
| 64 | BACK-UP RINGS | AIPC 29-11-15-02-130 |
| 65 | SQUARE-SECTION SEALS | AIPC 29-11-15-02-140 |
| 34 | O-RING | AIPC 29-11-15-02-200 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 20-23-11-911-001-A | Installation of the Hydraulic Tubes |
| 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 20-23-22-910-001-A | Marking of the Unions after Application of Standard or Specific Tightening Torque |
| 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 29-00-00-910-003-A | General Removal and Installation Procedure of the Check Valves in the Hydraulic Systems |
| TASK 29-11-33-000-001-A | Removal of the Priority Valve of the Green Hydraulic System |
| TASK 29-11-33-400-001-A | Installation of the Priority Valve of the Green 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 29-23-00-710-003-A | Functional Check of the Power Transfer Unit (PTU) Yellow to Green |
| 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 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 32-42-00-710-001-A | Operational Check of the Normal Braking System |
| TASK 32-42-11-000-001-A | Removal of the Brake Selector Valve |
| TASK 32-42-11-400-001-A | Installation of the Brake Selector Valve |
Subtask 29-11-15-860-053-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(2) Make sure that the WARNING NOTICE(S) are in position to tell persons not to pressurize the Green hydraulic system:
(Ref. AMM TASK 29-00-00-864-001).
(4) Make sure that the reservoir of the Green hydraulic system is depressurized (Ref. AMM TASK 29-14-00-614-001).
(5) Make sure that one door of the main gear is open (Ref. AMM TASK 32-12-00-010-001).
(6) Make sure that the ACCESS PLATFORM 3M (10 FT) is in position.
(7) Make sure that the CONTAINER 4 L (1 USGAL) is in position below the PTU manifold.
(8) Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected (Ref. AMM TASK 29-23-00-860-001).
Subtask 29-11-15-860-053-B ** ON A/C NOT FOR ALL 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 WARNING NOTICE(S) 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).
(4) Make sure that the reservoir of the Green hydraulic system is depressurized (Ref. AMM TASK 29-14-00-614-001).
(5) Make sure that one door of the main gear is open (Ref. AMM TASK 32-12-00-010-001).
(6) Make sure that the ACCESS PLATFORM 3M (10 FT) is in position.
(7) Make sure that the CONTAINER 4 L (1 USGAL) is in position below the PTU manifold.
(8) Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected (Ref. AMM TASK 29-23-00-860-001).
A. Aircraft Maintenance Configuration
(2) Make sure that the WARNING NOTICE(S) are in position to tell persons not to pressurize the Green hydraulic system:
(Ref. AMM TASK 29-00-00-864-001).
(4) Make sure that the reservoir of the Green hydraulic system is depressurized
(Ref. AMM TASK 29-14-00-614-001).
(5) Make sure that one door of the main gear is open (Ref. AMM TASK 32-12-00-010-001).
(6) Make sure that the ACCESS PLATFORM 3M (10 FT) is in position.
(7) Make sure that the CONTAINER 5 L (1.32 USGAL) is in position below the PTU manifold and below the HP manifold of the Green hydraulic system to collect unwanted hydraulic fluid.
(8) Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected (Ref. AMM TASK 29-23-00-860-001).
Subtask 29-11-15-865-051-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 WARNING NOTICE(S) 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).
(4) Make sure that the reservoir of the Green hydraulic system is depressurized
(Ref. AMM TASK 29-14-00-614-001).
(5) Make sure that one door of the main gear is open (Ref. AMM TASK 32-12-00-010-001).
(6) Make sure that the ACCESS PLATFORM 3M (10 FT) is in position.
(7) Make sure that the CONTAINER 5 L (1.32 USGAL) is in position below the PTU manifold and below the HP manifold of the Green hydraulic system to collect unwanted hydraulic fluid.
(8) Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected (Ref. AMM TASK 29-23-00-860-001).
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 | |||
| 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/G HYD/PUMP ENG1/MONG | 1702GK | R34 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/MONG | 1702GK | R33 |
Subtask 29-11-15-560-050-B
A. Preparation of the Replacement Component
PTU Manifold with P/N series 1555A9900/1555B9900 ** ON A/C NOT FOR ALL
PTU Manifold with P/N series 1555A9900/1555B9900 ** ON A/C NOT FOR ALL
(1) Remove the components which are attached to the removed manifold (35) as follows:
(a) Remove the brake selector valve 23GG (Ref. AMM TASK 32-42-11-000-001).
(b) Remove the priority valve 1064GM (Ref. AMM TASK 29-11-33-000-001).
(c) Remove the bobbins (14) and (30) from the manifold (35) (Ref. AMM TASK 20-23-21-911-001).
(d) Remove and discard:
1 The square-section seals (62) and (65).
2 The O-rings (60) and (63).
3 The back-up rings (15), (61), (64) and (31).
(e) Put the bobbins into BAG - PLASTIC to keep them clean.
(f) Remove the check valve 1093GM and discard the O-ring (34).
(g) Install a PLUG - BLANKING on the open ports of the manifold (35).
(h) Install the blanking plugs on all of the removed components.
(2) Install the removed components on the replacement manifold as follows:
(a) Remove the blanking plugs from the manifold (35) and the components.
(b) Lubricate the new O-rings and the threads of the components with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) .
(c) Put the new AIPC 29-11-15-02-200 O-RING (34) in position on the check valve 1093GM.
(d) Install the check valve 1093GM in port D of the manifold (35).
1 Square-section seals (62) and (65).
2 O-rings (60) and (63).
3 Back-up rings (15), (61), (64) and (31).
(f) Put the new AIPC 29-11-15-02-040 BACK-UP RINGS (61) in position on the sides of the bobbins (14) without the identification grooves (equipment side).
(g) Put the new AIPC 29-11-15-02-050 SQUARE SECTION SEALS (62) in position on the sides of the bobbins (14) without the identification grooves (equipment side).
(h) Put the new AIPC 29-11-15-02-030 BACK-UP RINGS (15) in position on the sides of the bobbins (14) with the identification grooves (manifold side).
(i) Put the new AIPC 29-11-15-02-020 O-RINGS (60) in position on the sides of the bobbins (14) with the identification grooves (manifold side).
(j) Install the bobbins (14) with the identification grooves in the ports of the manifold (35) (Ref. AMM TASK 20-23-21-911-001).
(k) Put the new AIPC 29-11-15-02-130 BACK-UP RINGS (64) in position on the sides of the bobbins (30) without the identification grooves (equipment side).
(l) Put the new AIPC 29-11-15-02-140 SQUARE-SECTION SEALS (65) in position on the sides of the bobbins (30) without the identification grooves (equipment side).
(m) Put the new AIPC 29-11-15-02-120 BACK-UP RINGS (31) in position on the sides of the bobbins (30) with the identification grooves (manifold side).
(n) Put the new AIPC 29-11-15-02-110 O-RINGS (63) in position on the sides of the bobbins (30) with the identification grooves (manifold side).
(o) Install the bobbins (30) with the identification grooves in the ports of the manifold (35) (Ref. AMM TASK 20-23-21-911-001).
(p) Install the priority valve 1064GM (Ref. AMM TASK 29-11-33-400-001).
(q) Install the brake selector valve 23GG (Ref. AMM TASK 32-42-11-400-001).
Subtask 29-11-15-420-050-B PTU Manifold with P/N series 1555A9900/1555B9900 ** ON A/C NOT FOR ALL PTU Manifold with P/N series 1555A9900/1555B9900 ** ON A/C NOT FOR ALL (a) Remove the brake selector valve 23GG (Ref. AMM TASK 32-42-11-000-001).
(b) Remove the priority valve 1064GM (Ref. AMM TASK 29-11-33-000-001).
(c) Remove the bobbins (14) and (30) from the manifold (35) (Ref. AMM TASK 20-23-21-911-001).
(d) Remove and discard:
1 The square-section seals (62) and (65).
2 The O-rings (60) and (63).
3 The back-up rings (15), (61), (64) and (31).
(e) Put the bobbins into BAG - PLASTIC to keep them clean.
(f) Remove the check valve 1093GM and discard the O-ring (34).
(g) Install a PLUG - BLANKING on the open ports of the manifold (35).
(h) Install the blanking plugs on all of the removed components.
(2) Install the removed components on the replacement manifold as follows:
(a) Remove the blanking plugs from the manifold (35) and the components.
(b) Lubricate the new O-rings and the threads of the components with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) .
(c) Put the new AIPC 29-11-15-02-200 O-RING (34) in position on the check valve 1093GM.
(d) Install the check valve 1093GM in port D of the manifold (35).
NOTE: For the torque values refer to the related table in ATA 29-00-00 (Ref. AMM TASK 29-00-00-910-003).
(e) Apply Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) to the new: 1 Square-section seals (62) and (65).
2 O-rings (60) and (63).
3 Back-up rings (15), (61), (64) and (31).
(f) Put the new AIPC 29-11-15-02-040 BACK-UP RINGS (61) in position on the sides of the bobbins (14) without the identification grooves (equipment side).
(g) Put the new AIPC 29-11-15-02-050 SQUARE SECTION SEALS (62) in position on the sides of the bobbins (14) without the identification grooves (equipment side).
(h) Put the new AIPC 29-11-15-02-030 BACK-UP RINGS (15) in position on the sides of the bobbins (14) with the identification grooves (manifold side).
(i) Put the new AIPC 29-11-15-02-020 O-RINGS (60) in position on the sides of the bobbins (14) with the identification grooves (manifold side).
(j) Install the bobbins (14) with the identification grooves in the ports of the manifold (35) (Ref. AMM TASK 20-23-21-911-001).
(k) Put the new AIPC 29-11-15-02-130 BACK-UP RINGS (64) in position on the sides of the bobbins (30) without the identification grooves (equipment side).
(l) Put the new AIPC 29-11-15-02-140 SQUARE-SECTION SEALS (65) in position on the sides of the bobbins (30) without the identification grooves (equipment side).
(m) Put the new AIPC 29-11-15-02-120 BACK-UP RINGS (31) in position on the sides of the bobbins (30) with the identification grooves (manifold side).
(n) Put the new AIPC 29-11-15-02-110 O-RINGS (63) in position on the sides of the bobbins (30) with the identification grooves (manifold side).
(o) Install the bobbins (30) with the identification grooves in the ports of the manifold (35) (Ref. AMM TASK 20-23-21-911-001).
(p) Install the priority valve 1064GM (Ref. AMM TASK 29-11-33-400-001).
(q) Install the brake selector valve 23GG (Ref. AMM TASK 32-42-11-400-001).
B. Installation of the Manifold
PTU Manifold with P/N series 1555A9900/1555B9900 ** ON A/C NOT FOR ALL
PTU Manifold with P/N series 1555A9900/1555B9900 ** ON A/C NOT FOR ALL
(2) Remove the sealant from the mating surface of the manifold (35) and the aircraft structure with a SCRAPER - NON METALLIC.
(3) Examine the structure of the aircraft in the area of the manifold attachment for cracks, corrosion or other damage.
(4) Apply a layer of Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to the mating surface of the manifold (35).
(5) Put the manifold (35) and the spacer (13) in position on the aircraft and install the four washers (12) and nuts (11). Do not tighten the nuts (11).
(6) Remove the blanking plugs from the pipe end-fittings and the unions on the manifold (35).
(7) Make sure that the hydraulic line end-fittings are serviceable.
(8) Apply Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) to the threads of the pipe end-fittings.
(9) Connect the pipe (25) to the union (27).
(10) TORQUE the pipe end-fitting (26) to between 10.7 and 9.7 m.daN (78.91 and 71.53 lbf.ft )
.
(11) Connect the pipe (21) to the union (23).
(12) TORQUE the pipe end-fitting (22) to between 3.2 and 2.9 m.daN (23.60 and 21.39 lbf.ft ).
(13) Install the pipe (17) between the union (19) and the filter 2584GM.
(14) TORQUE the pipe end-fittings (18) and (54) to between 5.9 and 5.4 m.daN (43.51 and 39.82 lbf.ft ).
(15) Connect the pipe (1) to the union (3).
(16) TORQUE the pipe end-fitting (2) to between 8.3 and 7.5 m.daN (61.21 and 55.31 lbf.ft ).
(17) Install the pipe (32) between the union (43) and the check valve 1093GM.
(18) TORQUE the pipe end-fittings (33) and (42) to between 8.3 and 7.5 m.daN (61.21 and 55.31 lbf.ft ).
(19) Install the pipe (7) between the unions (9) and (41).
(20) TORQUE the pipe end-fittings (8) and (40) to between 10.7 and 9.7 m.daN (78.91 and 71.53 lbf.ft ).
(21) Make a mark on each pipe end-fitting after you apply the standard or specific tightening torque value (Ref. AMM TASK 20-23-22-910-001).
(22) TORQUE the nuts (11) to between 0.8 and 0.7 m.daN (70.80 and 61.95 lbf.in ).
(23) Connect the bonding strap (70) to the structural attachment (69) and the manifold (35) with the bolts (66), the washers (67) and the nuts (68).
(24) Connect the bonding strap (51) to the structural attachment (52). Install the bolt (49), the washer (50) and the nut (53).
(25) Tighten the nut (53).
(26) Seal the connections of the bonding strap (51) with Polysulfide Sealant_General Purpose Brushable - (Material No.06AAA1) .
(27) Apply Coating_- Flexible Structure (Material No.04QAB2) (dyed blue) to the sealant.
(28) Remove the blanking caps from the electrical connections.
(29) Make sure that all the electrical connections are clean and in the correct condition.
Subtask 29-11-15-865-052-A PTU Manifold with P/N series 1555A9900/1555B9900 ** ON A/C NOT FOR ALL PTU Manifold with P/N series 1555A9900/1555B9900 ** ON A/C NOT FOR ALL 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.
CAUTION:
YOU MUST INSTALL HYDRAULIC TUBES WITH HYDRAULIC FLUID AS LUBRICANT.
(1) Obey the instruction of the installation of the hydraulic tubes (Ref. AMM TASK 20-23-11-911-001). (2) Remove the sealant from the mating surface of the manifold (35) and the aircraft structure with a SCRAPER - NON METALLIC.
(3) Examine the structure of the aircraft in the area of the manifold attachment for cracks, corrosion or other damage.
(4) Apply a layer of Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to the mating surface of the manifold (35).
(5) Put the manifold (35) and the spacer (13) in position on the aircraft and install the four washers (12) and nuts (11). Do not tighten the nuts (11).
(6) Remove the blanking plugs from the pipe end-fittings and the unions on the manifold (35).
(7) Make sure that the hydraulic line end-fittings are serviceable.
(8) Apply Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) to the threads of the pipe end-fittings.
(9) Connect the pipe (25) to the union (27).
(10) TORQUE the pipe end-fitting (26) to between 10.7 and 9.7 m.daN (78.91 and 71.53 lbf.ft )
. (11) Connect the pipe (21) to the union (23).
(12) TORQUE the pipe end-fitting (22) to between 3.2 and 2.9 m.daN (23.60 and 21.39 lbf.ft )
. (13) Install the pipe (17) between the union (19) and the filter 2584GM.
(14) TORQUE the pipe end-fittings (18) and (54) to between 5.9 and 5.4 m.daN (43.51 and 39.82 lbf.ft )
. (15) Connect the pipe (1) to the union (3).
(16) TORQUE the pipe end-fitting (2) to between 8.3 and 7.5 m.daN (61.21 and 55.31 lbf.ft )
. (17) Install the pipe (32) between the union (43) and the check valve 1093GM.
(18) TORQUE the pipe end-fittings (33) and (42) to between 8.3 and 7.5 m.daN (61.21 and 55.31 lbf.ft )
. (19) Install the pipe (7) between the unions (9) and (41).
(20) TORQUE the pipe end-fittings (8) and (40) to between 10.7 and 9.7 m.daN (78.91 and 71.53 lbf.ft )
. (21) Make a mark on each pipe end-fitting after you apply the standard or specific tightening torque value (Ref. AMM TASK 20-23-22-910-001).
(22) TORQUE the nuts (11) to between 0.8 and 0.7 m.daN (70.80 and 61.95 lbf.in )
. (23) Connect the bonding strap (70) to the structural attachment (69) and the manifold (35) with the bolts (66), the washers (67) and the nuts (68).
(24) Connect the bonding strap (51) to the structural attachment (52). Install the bolt (49), the washer (50) and the nut (53).
(25) Tighten the nut (53).
(26) Seal the connections of the bonding strap (51) with Polysulfide Sealant_General Purpose Brushable - (Material No.06AAA1) .
(27) Apply Coating_- Flexible Structure (Material No.04QAB2) (dyed blue) to the sealant.
(28) Remove the blanking caps from the electrical connections.
(29) Make sure that all the electrical connections are clean and in the correct condition.
CAUTION:
MAKE SURE THAT THE BONDING STRAP(S) IS(ARE) CONNECTED BEFORE YOU CONNECT THE ELECTRICAL WIRE(S).
(30) Connect the electrical connectors (29) and (36) to the receptacles on the manifold (35). C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 29-11-15-860-054-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** 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/G HYD/PUMP ENG1/MONG | 1702GK | R34 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/MONG | 1702GK | R33 |
D. Preparation for Test
(1) Connect the isolation coupling of the PTU (Ref. AMM TASK 29-23-00-860-002).
(2) Pressurize the reservoir of the Green hydraulic system (Ref. AMM TASK 29-14-00-614-002).
Subtask 29-11-15-710-050-A (1) Connect the isolation coupling of the PTU (Ref. AMM TASK 29-23-00-860-002).
(2) Pressurize the reservoir of the Green hydraulic system (Ref. AMM TASK 29-14-00-614-002).
E. Test
(1) Do the operational test of the PTU (Ref. AMM TASK 29-23-00-710-003).
(2) Do the operational check of the normal braking system (Ref. AMM TASK 32-42-00-710-001).
(3) During the operational test examine the connections of the manifold (35) and make sure that there are no leaks.
5. Close-up(1) Do the operational test of the PTU (Ref. AMM TASK 29-23-00-710-003).
(2) Do the operational check of the normal braking system (Ref. AMM TASK 32-42-00-710-001).
(3) During the operational test examine the connections of the manifold (35) and make sure that there are no leaks.
Subtask 29-11-15-860-055-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to the serviceable condition.
(1) Remove the container from below the manifold.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Remove the access platform(s).
(4) Close the main doors of the main gear (Ref. AMM TASK 32-12-00-410-001).
(5) Remove the WARNING NOTICE(S).
Subtask 29-11-15-860-055-B ** ON A/C NOT FOR ALL (1) Remove the container from below the manifold.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Remove the access platform(s).
(4) Close the main doors of the main gear (Ref. AMM TASK 32-12-00-410-001).
(5) Remove the WARNING NOTICE(S).
A. Put the aircraft back to the serviceable condition.
(1) Remove the containers from below the PTU manifold and the HP manifold.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Remove the access platform(s).
(4) Close the main doors of the main gear (Ref. AMM TASK 32-12-00-410-001).
(5) Remove the WARNING NOTICE(S).
(1) Remove the containers from below the PTU manifold and the HP manifold.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Remove the access platform(s).
(4) Close the main doors of the main gear (Ref. AMM TASK 32-12-00-410-001).
(5) Remove the WARNING NOTICE(S).