5. Close-up
________ Subtask 29-19-41-860-056
A. Put the aircraft back to the serviceable condition.
(1)
Remove the container from below the manifold (1).
(2)
Remove the access platform(s).
(3)
Remove the warning notices from the cockpit and the ground service panel.
(4)
Make sure that the work area is clean and clear of tool(s) and other items.
(5)
Close the right main door of the main gear (Ref. TASK 32-12-00-410-001).
(6)
Depressurize the Green hydraulic system
(Ref. TASK 29-10-00-864-001).
(7)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
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TASK 29-19-41-000-002
Removal of the Ground Leakage-Measurement Manifold (2146GM) of the Blue 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 blanking plugs
No specific circuit breaker(s) safety clip(s)
No specific warning notices
No specific container 2.0 l (0.5283 USgal)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-19-41-991-002 Fig. 402
3. Job Set-up
__________
Subtask 29-19-41-865-053
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 121VU HYDRAULIC/SOL VALVES/G/Y/B/LEAK/TST 1881GP N35 123VU B HYD/ELEC PUMP 2701GJ AB09
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Subtask 29-19-41-941-051
B. Put the warning notices 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.
Subtask 29-19-41-860-053
C. 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 Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(3)
Depressurize the reservoir of the Blue hydraulic system.
(Ref. TASK 29-14-00-614-001).
Subtask 29-19-41-010-051
D. Open the access door 195BB. Subtask 29-19-41-941-054
E. Put a container below the manifold 2146GM to collect unwanted fluid.
4. Procedure
_________ (Ref. Fig. 402/TASK 29-19-41-991-002) Subtask 29-19-41-020-053
A. Removal of the Ground Leakage-Measurement Manifold 2146GM 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).
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R Ground Leakage-Measurement Manifold - Blue Hydraulic System (2146GM) Figure 402/TASK 29-19-41-991-002
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(2)
Loosen the union nut (14) and disconnect the tee-piece (15) together with the attached pipes from the union (13).
(3)
Loosen the pipe end-fitting (18) and disconnect the pipe (19) from the union (17).
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