(5)
Put the access platform in position at the RH main door of the main gear.
(6)
Put a container below the manifold 1146GM to collect unwanted fluid.
(7)
Disconnect the isolation coupling of the Power Transfer Unit (PTU) (Ref. TASK 29-23-00-860-001).
4. Procedure
_________ (Ref. Fig. 401/TASK 29-19-41-991-001) Subtask 29-19-41-020-050 R A. Removal of the Ground Leakage-Measurement Manifold 1146GM CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN
_______ YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU USE THE SECOND WRENCH, YOU WILL NOT LOOSEN OR TIGHTEN THE UNION TOO MUCH.
(1)
Loosen the pipe end-fitting (10) and disconnect the pipe (11) from the union (9).
(2)
Loosen the pipe end-fitting (18) and disconnect the pipe (19) from the union (17).
(3)
Loosen the pipe end-fitting (14) and disconnect the pipe (15) from the union (13).
(4)
Loosen the pipe end-fitting (22) and disconnect the pipe (23) from the union (21).
(5)
Loosen the pipe end-fitting (26) and disconnect the pipe (27) from the union (25).
(6)
Hold the manifold (1) and remove the bolts (2) and washers (3).
(7)
Remove the manifold (1).
(8)
Install blanking plugs in all pipe connections and on the unions.
R Ground Leakage-Measurement Manifold - Green Hydraulic System (1146GM) Figure 401/TASK 29-19-41-991-001
1EFF : ALL 1 29-19-41Page 404 1 1 Nov 01/04 1 1 1CES 1 TASK 29-19-41-400-001
Installation of the Ground Leakage-Measurement Manifold (1146GM) of the Green Hydraulic System
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific container
No specific plastic or wooden scraper
No specific warning notices
No specific access platform 2.8 m (9 ft. 2 in.)
No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00
to 26.00 lbf.ft) No specific Torque Wrench : range 1.00 to 10.00 m.daN
(8.00 to 75.00 lbf.ft)
B.
Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R Material No. 02-003 F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
Material No. 09-018 USA AMS 3267/3
CORROSION INHIBITING LOW ADHESION SEALANT
(Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-12-29-611-001 Fill the Hydraulic Fluid Reservoir with a Hand Pump 12-12-29-611-002 Fill the Hydraulic Fluid Reservoir with a Hydraulic Service Cart 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 29-00-00-910-002 Safety Procedures of the Hydraulic System 29-10-00-863-001 Pressurize the Green Hydraulic System 29-10-00-864-001 Depressurize the Green Hydraulic System 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector 29-23-00-860-001 Disconnection of the Isolation Coupling of the Power Transfer Unit (PTU) 29-23-00-860-002 Connection of the Isolation Coupling of the Power
Transfer Unit (PTU) 32-12-00-010-001 Open the Main Gear Doors for Access 32-12-00-410-001 Close the Main Gear Doors after Access 29-19-41-991-001 Fig. 401
3. Job Set-up
__________
Subtask 29-19-41-860-061
A. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Make sure that the Green hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
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