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 29-23-00-860-001 Disconnection of the Isolation Coupling of the Power
Transfer Unit (PTU) 29-19-41-991-003 Fig. 403
3. Job Set-up
__________
Subtask 29-19-41-865-056
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/SOL VALVES/G/Y/B/LEAK/TST 1881GP N35 121VU HYDRAULIC/HYD POWER/Y 3803GX N30 123VU Y HYD/ELEC/PUMP 3802GX AB06
R 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
Subtask 29-19-41-941-052
B. Put the warning notices 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.
Subtask 29-19-41-010-052
C. Open the access door 196BB.
Subtask 29-19-41-860-054
D. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Depressurize the Yellow hydraulic system
(Ref. TASK 29-00-00-864-001).
(3)
Depressurize the reservoir of the Yellow hydraulic system. (Ref. TASK 29-14-00-614-001).
(4)
Put a container below the manifold 3146GM to collect unwanted fluid.
(5)
Disconnect the isolation coupling of the Power Transfer Unit (PTU) (Ref. TASK 29-23-00-860-001).
4. Procedure
_________ (Ref. Fig. 403/TASK 29-19-41-991-003) Subtask 29-19-41-020-052
A. Removal of the Ground Leakage- Measurement Manifold 3146GM 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 (3) and disconnect the pipe (2) from the union (4).
(2)
Loosen the pipe end-fitting (11) and disconnect the pipe (10) from the union (12).
(3)
Loosen the pipe end-fitting (7) and disconnect the pipe (6) from the union (8).
(4)
Loosen the pipe end-fitting (17) and disconnect the pipe (16) from the union (18).
(5)
Loosen the pipe end-fitting (21) and disconnect the pipe (20) from the union (22).
(6)
Hold the manifold (1) and remove the bolts (14),(24) and the washers (15).
(7)
Remove the manifold (1).
(8)
Install blanking plugs in all pipe connections and on the unions.
Ground Leakage-Measurement Manifold - Yellow Hydraulic System
Figure 403/TASK 29-19-41-991-003
TASK 29-19-41-400-003
Installation of the Ground Leakage-Measurement Manifold (3146GM) of the Yellow 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 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 -------------------------------------------------------------------------------
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