DOC AIRBUS | AMM A320FInstallation of the Ram Air Turbine
TASK 29-22-51-400-010-A
Installation of the Ram Air Turbine
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 29-22-51-860-098-A
Subtask 29-22-51-210-075-A
(2) Put the eye-end (34) and the leg assembly (11) in the correct position and install the bolt (21) with the washers (20), (32).
(3) Install the nut (33) on the bolt (21) but do not tighten the nut (33) at this time.
(4) Align the trunnion with the hole for the support bearing (62).
(5) Put the support bearing (62) through its hole in the structure (1) and on the trunnion shaft (75).
(6) Install the bolts (60) with the washers (61) and the nuts (63).
(7) Make sure that the end of the trunnion shaft (75) is in the correct position.
(8) Put the forked bearing (72) through its hole in the structure (1) and on the trunnion shaft (75).
(9) Install the bush (102), the bolt (73) and the nut (78).
(10) Put the safety plate (74) in position on the structure (1).
(11) Install the bolts (70) with the washers (71) and the nuts (76).
(12) Put the support plate (80) in position on the structure (1).
(13) Install the screws (82) with the washers (81).
(14) TORQUE the nut (33) to between 5.29 and 4.74 m.daN (39.01 and 34.96 lbf.ft )
.
(16) Apply the Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) to the threads of the line end-fittings.
(17) Remove the blanking caps from the ports (51) and (55).
(18) Put the hydraulic-pipe (91) in position.
(19) Attach the union nuts (50) to the ports (51).
(20) TORQUE the union nuts (50) to between 10.7 and 9.7 m.daN (78.91 and 71.53 lbf.ft ).
(21) Put the hydraulic-pipe (92) in position.
(22) Attach the union nuts (54) to the ports (55).
(23) TORQUE the union nut (54) to between 9.5 and 8.5 m.daN (70.06 and 62.68 lbf.ft ).
(24) Connect the hose (85) with the leakage drain line (87).
(25) Safety the hose with a TIE WRAP(S) (86).
(26) Install the screw (46) together with the washer (47) and the bonding strap (48) (Ref. AMM TASK 20-28-00-912-802).
(27) Install the swivel pin (29), the washer (90) and the distance fork (23) in the leg assembly (11).
(28) Install the bush (15), the bush (19), the bush (24) and the flanged bush (30) in the distance fork (23) and the swivel pin (29).
(29) Install the door links:
(b) Install the bolt (26), the washers (18), (25) and the nut (17).
(c) Tighten the nut (17) and safety it with a new AIPC 29-22-03-02-118 COTTER PIN (16) or AIPC 29-22-83-02-120 COTTER PIN (16).
(d) Put the outer door link (31) in position between the forks of the swivel pin (29).
(e) Install the bolt (27) together with the washers (28), (14) and the nut (13).
(f) Tighten the nut (13) and safety it with a new AIPC 29-22-03-02-118 COTTER PIN (12) or AIPC 29-22-83-02-120 COTTER PIN (12).
(g) Make sure that the inner door link (22) and the outer door link (31) are correctly connected to the RAT doors:
1 Refer to the labels on the inner side of the RAT doors for the correct connection data.
(30) Put the cable (40) with the P-clips (43) in position on the structure of the RAT stowage compartment.
(31) Attach the P-clips (43) in the RAT stowage compartment with the screws (41), the washers (42) and the spacers (44).
(32) Install the bonding lead (93) with the washer (94) and the screw (95) at the RAT actuator (10).
(33) Remove the blanking caps from the electrical connectors (2) and (53).
(34) Remove the blanking caps from the electrical receptacles (3) and (52).
(35) Make sure that all the electrical connections are clean and in the correct condition.
(37) Connect the electrical connectors (98), (99), (100) and (101) to the RAT actuator (10).
(38) Put the protection cover (4) in the correct position at the RAT compartment (96).
(39) Tighten the screws (5) in the quick-release fasteners (6).
(40) Install the screw (97) in the protective cover (4).
Subtask 29-22-51-420-065-D ** ON A/C NOT FOR ALL
(2) Put the eye-end (34) and the leg assembly (11) in the correct position and install the bolt (21) with the washers (20), (32).
(3) Install the nut (33) on the bolt (21) but do not tighten the nut (33) at this time.
(4) Align the trunnion with the hole for the support bearing (62).
(5) Put the support bearing (62) through its hole in the structure (1) and on the trunnion shaft (75).
(6) Install the bolts (60) with the washers (61) and the nuts (63).
(7) Make sure that the end of the trunnion shaft (75) is in the correct position.
(8) Put the forked bearing (72) through its hole in the structure (1) and on the trunnion shaft (75).
(9) Install the bush (102), the bolt (73) and the nut (78).
(10) Put the safety plate (74) in position on the structure (1).
(11) Install the bolts (70) with the washers (71) and the nuts (76).
(12) Put the support plate (80) in position on the structure (1).
(13) Install the screws (82) with the washers (81).
(14) TORQUE the nut (33) to between 5.29 and 4.74 m.daN (39.01 and 34.96 lbf.ft ).
(16) Apply the Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) to the threads of the line end-fittings.
(17) Remove the blanking caps from the ports (51) and (55).
(18) Put the hydraulic-pipe (91) in position.
(19) Attach the union nuts (50) to the ports (51).
(20) TORQUE the union nuts (50) to between 10.7 and 9.7 m.daN (78.91 and 71.53 lbf.ft ).
(21) Put the hydraulic-pipe (92) in position.
(22) Attach the union nuts (54) to the ports (55).
(23) TORQUE the union nut (54) to between 9.5 and 8.5 m.daN (70.06 and 62.68 lbf.ft ).
(24) Connect the hose (85) with the leakage drain line (87).
(25) Safety the hose with a TIE WRAP(S) (86).
(26) Install the screw (46) with the washer (47) and the bonding strap (48) (Ref. AMM TASK 20-28-00-912-802).
(27) Install the swivel pin (29), the washer (90) and the distance fork (23) in the leg assembly (11).
(28) Install the bush (15), the bush (19), the bush (24) and the flanged bush (30) in the distance fork (23) and the swivel pin (29).
(29) Installation of the door links.
(b) Install the bolt (26), the washers (18), (25) and the nut (17).
(c) Tighten the nut (17) and safety it with the new AIPC 29-22-83-02-120 COTTER PIN (16) or the new AIPC 29-22-03-02-118 COTTER PIN (16).
(d) Put the outer door link (31) in position between the forks of the swivel pin (29).
(e) Install the bolt (27) with the washers (28), (14) and the nut (13).
(f) Tighten the nut (13) and safety it with the new AIPC 29-22-83-02-120 COTTER PIN (12) or the new AIPC 29-22-03-02-118 COTTER PIN (12).
(g) Make sure that the inner door link (22) and the outer door link (31) are correctly connected to the RAT doors:
1 Refer to the labels on the inner side of the RAT doors for the correct connection data.
(30) Put the cable (40) with the P-clips (43) in position on the structure of the RAT stowage compartment.
(31) Attach the P-clips (43) in the RAT stowage compartment with the screws (41), the washers (42) and the spacers (44).
(32) Install the bonding lead (93) with the washer (94) and the screw (95) at the RAT actuator (10).
(33) Remove the blanking caps from the electrical connectors (2) and (53).
(34) Remove the blanking caps from the electrical receptacles (3) and (52).
(35) Make sure that all the electrical connections are clean and in the correct condition.
(37) Connect the electrical connectors (98), (99), (100) and (101) to the RAT actuator (10).
(38) Put the protection cover (4) in the correct position at the RAT compartment (96).
(39) Tighten the screws (5) in the quick-release fasteners (6).
(40) Install the screw (97) in the protective cover (4).
Subtask 29-22-51-611-057-A
Subtask 29-22-51-864-069-A Subtask 29-22-51-410-062-A
[Rev.10 from 2021]
2026.04.01 00:26:14 UTC
Installation of the Ram Air Turbine
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:
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 RAT TRAVEL RANGE IS CLEAR BEFORE YOU EXTEND/RETRACT THE RAT.
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.
FIN: 2GE
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.03HBC1) | Synthetic Ester base Grease-General Purpose Metallic Thickened Low Temp. - |
| (Material No.04QAB2) | Coating_- Flexible Structure |
| (Material No.06AEA1) | Polysulfide Sealant-Low Adhesion Brushable - |
| (Material No.06AEB2) | Polysulfide Sealant-Low Adhesion Fillet Structure |
| (Material No.06LCG9) | Non Hardening Jointing Putty-Medium Temp. Area - - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 147BB, 147CB, 195BB |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 12 | COTTER PIN | AIPC 29-22-03-02-118 |
| 16 | COTTER PIN | AIPC 29-22-03-02-118 |
| 12 | COTTER PIN | AIPC 29-22-83-02-120 |
| 16 | COTTER PIN | AIPC 29-22-83-02-120 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-12-29-611-001-A | Fill the Hydraulic Fluid Reservoir with a Hand Pump |
| TASK 12-12-29-611-002-A | Fill the Hydraulic Fluid Reservoir with a Hydraulic Service Cart |
| TASK 20-28-00-912-802-A | Electrical Bonding - General Maintenance Procedure |
| 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 29-10-00-863-003-A | Pressurize the Blue Hydraulic System with a Hydraulic Ground Power-Cart |
| TASK 29-10-00-863-003-A-01 | Pressurize the Blue Hydraulic System with the Blue Electric Pump |
| TASK 29-10-00-864-003-A | Depressurize the Blue 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 29-22-00-720-003-A | Operational Check of RAT Manual Deployment and Functional Check of RAT using Ground Test Unit, followed by Check of Filter Indicator |
| TASK 29-22-00-869-006-A | Retraction of the Ram Air Turbine (RAT) on the Ground |
| 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 |
Ram Air TurbineSubtask 29-22-51-860-098-A
A. Aircraft Maintenance Configuration
(2) Make sure that the Blue 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 Blue hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
(4) Make sure that the left main landing-gear door is open (Ref. AMM TASK 32-12-00-010-001).
(5) Make sure that the access door 195BB is open.
(6) Make sure that the access panel 147BB is open.
(7) Make sure that the access panel 147CB is open.
(8) Make sure that the WARNING NOTICE(S) are in position to tell persons not to pressurize the Blue hydraulic system:
(10) Make sure that the safety barriers are in position.
Subtask 29-22-51-865-095-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 Blue 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 Blue hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
(4) Make sure that the left main landing-gear door is open (Ref. AMM TASK 32-12-00-010-001).
(5) Make sure that the access door 195BB is open.
(6) Make sure that the access panel 147BB is open.
(7) Make sure that the access panel 147CB is open.
(8) Make sure that the WARNING NOTICE(S) 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.
(10) Make sure that the safety barriers are in position.
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 | HYD/RAT/CTL | 2801GE | D14 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | HYD/RAT/CTL | 2801GE | B13 |
| ** ON A/C ALL | |||
| 106VU | CSM/G /EV/MAN/SPLY | 6XE | B04 |
| 121VU | HYDRAULIC/RAT/SPLY/EXTN/SOL1 | 2803GE | P33 |
Subtask 29-22-51-210-075-A
A. Preparation of the Ram Air Turbine before Installation
(1) Do an inspection of the component interfaces and the adjacent area.
(2) Clean the component interface and/or the adjacent area.
(3) Make sure that the parts retained from the removed component are clean and in the correct condition.
(4) Make sure that the hydraulic line end-fittings are serviceable.
(5) Apply the zinc chromate putty Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the shaft of the bolt (70) and the contact surface of the forked bearing (72).
(6) Apply the Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) or the Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) between the support and the forked bearing and the structure.
(7) Apply the Synthetic Ester base Grease-General Purpose Metallic Thickened Low Temp. - (Material No.03HBC1) to the swivel pin (29).
Subtask 29-22-51-420-065-B ** ON A/C NOT FOR ALL (1) Do an inspection of the component interfaces and the adjacent area.
(2) Clean the component interface and/or the adjacent area.
(3) Make sure that the parts retained from the removed component are clean and in the correct condition.
(4) Make sure that the hydraulic line end-fittings are serviceable.
(5) Apply the zinc chromate putty Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the shaft of the bolt (70) and the contact surface of the forked bearing (72).
(6) Apply the Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) or the Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) between the support and the forked bearing and the structure.
(7) Apply the Synthetic Ester base Grease-General Purpose Metallic Thickened Low Temp. - (Material No.03HBC1) to the swivel pin (29).
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.
CAUTION:
DO NOT LIFT THE RAT BY THE TURBINE BLADES.
CAUTION:
DO NOT CAUSE DAMAGE TO THE MICROSWITCHES AT THE TOP OF THE LEG ASSEMBLY.
B. Installation of the Ram Air Turbine 2GE NOTE: The turbine and the leg assembly weigh a total of approximately 36.1 kg (79.5869 lb).
(1) Lift the RAT in the installation position and align the eye-end (34) with the mounting on the leg assembly (11). (2) Put the eye-end (34) and the leg assembly (11) in the correct position and install the bolt (21) with the washers (20), (32).
(3) Install the nut (33) on the bolt (21) but do not tighten the nut (33) at this time.
(4) Align the trunnion with the hole for the support bearing (62).
(5) Put the support bearing (62) through its hole in the structure (1) and on the trunnion shaft (75).
(6) Install the bolts (60) with the washers (61) and the nuts (63).
(7) Make sure that the end of the trunnion shaft (75) is in the correct position.
(8) Put the forked bearing (72) through its hole in the structure (1) and on the trunnion shaft (75).
(9) Install the bush (102), the bolt (73) and the nut (78).
(10) Put the safety plate (74) in position on the structure (1).
(11) Install the bolts (70) with the washers (71) and the nuts (76).
(12) Put the support plate (80) in position on the structure (1).
(13) Install the screws (82) with the washers (81).
(14) TORQUE the nut (33) to between 5.29 and 4.74 m.daN (39.01 and 34.96 lbf.ft )
. NOTE: Because of the design, there is a clearance between the washers (20), (32) and the leg assembly (11).
(15) Remove the blanking plugs from the disconnected line ends. (16) Apply the Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) to the threads of the line end-fittings.
(17) Remove the blanking caps from the ports (51) and (55).
(18) Put the hydraulic-pipe (91) in position.
(19) Attach the union nuts (50) to the ports (51).
(20) TORQUE the union nuts (50) to between 10.7 and 9.7 m.daN (78.91 and 71.53 lbf.ft )
. (21) Put the hydraulic-pipe (92) in position.
(22) Attach the union nuts (54) to the ports (55).
(23) TORQUE the union nut (54) to between 9.5 and 8.5 m.daN (70.06 and 62.68 lbf.ft )
. (24) Connect the hose (85) with the leakage drain line (87).
(25) Safety the hose with a TIE WRAP(S) (86).
(26) Install the screw (46) together with the washer (47) and the bonding strap (48) (Ref. AMM TASK 20-28-00-912-802).
(27) Install the swivel pin (29), the washer (90) and the distance fork (23) in the leg assembly (11).
(28) Install the bush (15), the bush (19), the bush (24) and the flanged bush (30) in the distance fork (23) and the swivel pin (29).
(29) Install the door links:
CAUTION:
BE CAREFUL WHEN YOU CONNECT THE RODS TO THE RAT DOOR. IF YOU DO NOT CONNECT THESE PARTS CORRECTLY, YOU CAN CAUSE DAMAGE TO THE RODS, OR FAILURE OF THE RAT.
(a) Put the inner door link (22) in position on the related distance fork (23). (b) Install the bolt (26), the washers (18), (25) and the nut (17).
(c) Tighten the nut (17) and safety it with a new AIPC 29-22-03-02-118 COTTER PIN (16) or AIPC 29-22-83-02-120 COTTER PIN (16).
(d) Put the outer door link (31) in position between the forks of the swivel pin (29).
(e) Install the bolt (27) together with the washers (28), (14) and the nut (13).
(f) Tighten the nut (13) and safety it with a new AIPC 29-22-03-02-118 COTTER PIN (12) or AIPC 29-22-83-02-120 COTTER PIN (12).
(g) Make sure that the inner door link (22) and the outer door link (31) are correctly connected to the RAT doors:
1 Refer to the labels on the inner side of the RAT doors for the correct connection data.
(30) Put the cable (40) with the P-clips (43) in position on the structure of the RAT stowage compartment.
(31) Attach the P-clips (43) in the RAT stowage compartment with the screws (41), the washers (42) and the spacers (44).
(32) Install the bonding lead (93) with the washer (94) and the screw (95) at the RAT actuator (10).
(33) Remove the blanking caps from the electrical connectors (2) and (53).
(34) Remove the blanking caps from the electrical receptacles (3) and (52).
(35) 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).
(36) Connect the electrical connectors (2) and (53) to the receptacles (3) and (52). (37) Connect the electrical connectors (98), (99), (100) and (101) to the RAT actuator (10).
(38) Put the protection cover (4) in the correct position at the RAT compartment (96).
(39) Tighten the screws (5) in the quick-release fasteners (6).
(40) Install the screw (97) in the protective cover (4).
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.
CAUTION:
DO NOT LIFT THE RAT BY THE TURBINE BLADES.
CAUTION:
DO NOT CAUSE DAMAGE TO THE MICROSWITCHES AT THE TOP OF THE LEG ASSEMBLY.
B. Installation of the Ram Air Turbine 2GE NOTE: The turbine and the leg assembly weigh a total of approximately 36.1 kg (79.5869 lb).
(1) Lift the RAT in the installation position and align the eye-end (34) with the mounting on the leg assembly (11). (2) Put the eye-end (34) and the leg assembly (11) in the correct position and install the bolt (21) with the washers (20), (32).
(3) Install the nut (33) on the bolt (21) but do not tighten the nut (33) at this time.
(4) Align the trunnion with the hole for the support bearing (62).
(5) Put the support bearing (62) through its hole in the structure (1) and on the trunnion shaft (75).
(6) Install the bolts (60) with the washers (61) and the nuts (63).
(7) Make sure that the end of the trunnion shaft (75) is in the correct position.
(8) Put the forked bearing (72) through its hole in the structure (1) and on the trunnion shaft (75).
(9) Install the bush (102), the bolt (73) and the nut (78).
(10) Put the safety plate (74) in position on the structure (1).
(11) Install the bolts (70) with the washers (71) and the nuts (76).
(12) Put the support plate (80) in position on the structure (1).
(13) Install the screws (82) with the washers (81).
(14) TORQUE the nut (33) to between 5.29 and 4.74 m.daN (39.01 and 34.96 lbf.ft )
. NOTE: Because of the design, there is a clearance between the washers (20), (32) and the leg assembly (11).
(15) Remove the blanking plugs from the disconnected line ends. (16) Apply the Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) to the threads of the line end-fittings.
(17) Remove the blanking caps from the ports (51) and (55).
(18) Put the hydraulic-pipe (91) in position.
(19) Attach the union nuts (50) to the ports (51).
(20) TORQUE the union nuts (50) to between 10.7 and 9.7 m.daN (78.91 and 71.53 lbf.ft )
. (21) Put the hydraulic-pipe (92) in position.
(22) Attach the union nuts (54) to the ports (55).
(23) TORQUE the union nut (54) to between 9.5 and 8.5 m.daN (70.06 and 62.68 lbf.ft )
. (24) Connect the hose (85) with the leakage drain line (87).
(25) Safety the hose with a TIE WRAP(S) (86).
(26) Install the screw (46) with the washer (47) and the bonding strap (48) (Ref. AMM TASK 20-28-00-912-802).
(27) Install the swivel pin (29), the washer (90) and the distance fork (23) in the leg assembly (11).
(28) Install the bush (15), the bush (19), the bush (24) and the flanged bush (30) in the distance fork (23) and the swivel pin (29).
(29) Installation of the door links.
CAUTION:
BE CAREFUL WHEN YOU CONNECT THE RODS TO THE RAT DOOR. IF YOU DO NOT CONNECT THESE PARTS CORRECTLY, YOU CAN CAUSE DAMAGE TO THE RODS, OR FAILURE OF THE RAT.
(a) Put the inner door link (22) in position on the related distance fork (23). (b) Install the bolt (26), the washers (18), (25) and the nut (17).
(c) Tighten the nut (17) and safety it with the new AIPC 29-22-83-02-120 COTTER PIN (16) or the new AIPC 29-22-03-02-118 COTTER PIN (16).
(d) Put the outer door link (31) in position between the forks of the swivel pin (29).
(e) Install the bolt (27) with the washers (28), (14) and the nut (13).
(f) Tighten the nut (13) and safety it with the new AIPC 29-22-83-02-120 COTTER PIN (12) or the new AIPC 29-22-03-02-118 COTTER PIN (12).
(g) Make sure that the inner door link (22) and the outer door link (31) are correctly connected to the RAT doors:
1 Refer to the labels on the inner side of the RAT doors for the correct connection data.
(30) Put the cable (40) with the P-clips (43) in position on the structure of the RAT stowage compartment.
(31) Attach the P-clips (43) in the RAT stowage compartment with the screws (41), the washers (42) and the spacers (44).
(32) Install the bonding lead (93) with the washer (94) and the screw (95) at the RAT actuator (10).
(33) Remove the blanking caps from the electrical connectors (2) and (53).
(34) Remove the blanking caps from the electrical receptacles (3) and (52).
(35) 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).
(36) Connect the electrical connectors (2) and (53) to the receptacles (3) and (52). (37) Connect the electrical connectors (98), (99), (100) and (101) to the RAT actuator (10).
(38) Put the protection cover (4) in the correct position at the RAT compartment (96).
(39) Tighten the screws (5) in the quick-release fasteners (6).
(40) Install the screw (97) in the protective cover (4).
C. Make sure that the level of the fluid in the reservoir of the Blue hydraulic system is correct. Add fluid as necessary (Ref. AMM TASK 12-12-29-611-001) or (Ref. AMM TASK 12-12-29-611-002).
Subtask 29-22-51-865-096-A D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 29-22-51-790-055-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | HYD/RAT/CTL | 2801GE | D14 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | HYD/RAT/CTL | 2801GE | B13 |
| ** ON A/C ALL | |||
| 106VU | CSM/G /EV/MAN/SPLY | 6XE | B04 |
| 121VU | HYDRAULIC/RAT/SPLY/EXTN/SOL1 | 2803GE | P33 |
E. Leak Test of the Hydraulic Connections of the Ram Air Turbine
(1) Remove the COVER - PROTECTION from the turbine blades.
(2) Remove the WARNING NOTICE(S).
(3) Pressurize the reservoir of the Blue hydraulic system (Ref. AMM TASK 29-14-00-614-002).
(4) Pressurize the Blue hydraulic system (Ref. AMM TASK 29-10-00-863-003).
(5) Examine the hydraulic connections of the RAT and make sure that there are no leaks.
Subtask 29-22-51-860-099-A (1) Remove the COVER - PROTECTION from the turbine blades.
(2) Remove the WARNING NOTICE(S).
(3) Pressurize the reservoir of the Blue hydraulic system (Ref. AMM TASK 29-14-00-614-002).
(4) Pressurize the Blue hydraulic system (Ref. AMM TASK 29-10-00-863-003).
(5) Examine the hydraulic connections of the RAT and make sure that there are no leaks.
F. Preparation for the Test
(1) Remove the container from below the hydraulic connections and discard any spilt fluid.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Retract the RAT (Ref. AMM TASK 29-22-00-869-006).
Subtask 29-22-51-710-056-A 5. Close-up(1) Remove the container from below the hydraulic connections and discard any spilt fluid.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Retract the RAT (Ref. AMM TASK 29-22-00-869-006).
Subtask 29-22-51-864-069-A Subtask 29-22-51-410-062-A
B. Close Access
(1) Apply the Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) or the Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) to the contact area of the sidewall panel (4).
(2) Put the sidewall panel (4) in position on the structure (1) and make sure that the holes align.
(3) Install the screws (5) together with the washers (6) in the sidewall panel (4).
(4) Apply a bead of Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) or Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) around the edges of the sidewall panel (4) and the bearings (62) and (72).
(5) After the sealant is dry, apply Coating_- Flexible Structure (Material No.04QAB2) around the edges of the sidewall panel (4) and the bearings (62) and (72).
(6) Install the access panels 147BB and 147CB.
(7) Close the left main landing-gear door (Ref. AMM TASK 32-12-00-410-001).
(8) Close the access door 195BB.
(9) Remove the safety barriers.
(1) Apply the Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) or the Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) to the contact area of the sidewall panel (4).
(2) Put the sidewall panel (4) in position on the structure (1) and make sure that the holes align.
(3) Install the screws (5) together with the washers (6) in the sidewall panel (4).
(4) Apply a bead of Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) or Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) around the edges of the sidewall panel (4) and the bearings (62) and (72).
(5) After the sealant is dry, apply Coating_- Flexible Structure (Material No.04QAB2) around the edges of the sidewall panel (4) and the bearings (62) and (72).
(6) Install the access panels 147BB and 147CB.
(7) Close the left main landing-gear door (Ref. AMM TASK 32-12-00-410-001).
(8) Close the access door 195BB.
(9) Remove the safety barriers.