3. Job Set-up
__________ Subtask 29-19-51-865-053
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
Subtask 29-19-51-010-051
B. Open the access panel 195BB. Subtask 29-19-51-860-054
C. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-864-001).
(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 29-19-51-941-051
D. Safety Precautions
(1)
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.
(2)
Put the container in position below the leakage-measurement solenoid valve (referred to as solenoid valve) to collect the hydraulic fluid.
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4. Procedure
_________
(Ref. Fig. 402/TASK 29-19-51-991-002) Subtask 29-19-51-020-051
A. Removal of the Solenoid Valve 2150GP
(1)
Disconnect the electrical connector (1).
(2)
Put blanking caps on the disconnected electrical connector (1) and on the receptacle.
(3)
Remove the nut (2), the washer (3), the bolt (4) and the bonding strap (5) from the solenoid valve (6).
(4)
Hold the solenoid valve (6) and remove the three bolts (7) and the washers (8).
(5)
Remove the solenoid valve (6).
(6)
Remove the bobbins (10), (11) (Ref. TASK 20-23-21-911-001).
(7)
Install blanking plugs in the open ports of the manifold (13).
(8)
Remove and discard the square-section seals (13), (14), the O-rings (12), (9) and the back-up rings (17), (18), (15), (16).
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Leakage Measurement Solenoid Valve
Figure 402/TASK 29-19-51-991-002
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TASK 29-19-51-400-002
Installation of the Leakage-Measurement Solenoid Valve (2150GP)
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______
CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
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 warning notices R No specific Torque Wrench : range 0.00 to 1.20 m.daN R (0.00 to 9.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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