-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
20-28-00-912-002 29-00-00-910-002 29-10-00-864-002
29-14-00-614-001 29-14-00-614-002 29-23-00-860-001 29-23-00-860-002 29-24-00-863-001 52-36-00-600-001 52-36-15-991-001
FOR FIN 2501MJ 52-30-00-860-002
53-22-14-400-001 FOR FIN 2504MJ 29-10-00-864-002 52-30-00-860-002
53-42-14-400-001
3. Job Set-up
__________ Subtask 52-36-15-860-056
Electrical Bonding of Components With Conductive Bolts and Screws in the TanksSafety Procedures of the Hydraulic SystemDepressurize the Yellow Hydraulic SystemDepressurization of the Hydraulic ReservoirsPressurization of the Hydraulic Reservoirs through the Ground ConnectorDisconnection of the Isolation Coupling of the Power Transfer Unit (PTU)Connection of the Isolation Coupling of the Power Transfer Unit (PTU)Pressurize the Yellow Hydraulic System with the Electric PumpHydraulic System for the Cargo Compartment Doors -ServicingFig. 401
Close the FWD or AFT Cargo-Compartment Door with the Yellow Electric PumpInstallation of the FWD Cargo-Compartment Floor-Panels
Depressurize the Yellow Hydraulic SystemClose the FWD or AFT Cargo-Compartment Door with the Yellow Electric PumpInstallation of the AFT Cargo-Compartment Floor-Panels Zone 150
A. Aircraft Maintenance Configuration
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-10-00-864-002)
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(3) Make sure that the reservoir of the Yellow hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
(4) Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected (Ref. TASK 29-23-00-860-001).
(5) Make sure that the warning notices are in position.
(6) Make sure that the lint-free cloth is around the applicable manual selector valve.
Subtask 52-36-15-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/HYD POWER/Y 3803GX N30 122VU DOORS/CARGO 1MJ T12 123VU Y HYD/ELEC/PUMP 3802GX AB06 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
4. Procedure_________
(Ref. Fig. 401/TASK 52-36-15-991-001)
R Subtask 52-36-15-420-050-A
R A. Installation of the Manual Selector Valve
R R R R 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.
R R CAUTION : YOU MUST INSTALL HYDRAULIC TUBES WITH HYDRAULIC FLUID AS_______ LUBRICANT.
R (1) Clean the component interface and/or the adjacent area.
R (2) Do an inspection of the component interface and/or the adjacent area.
R (3) Assemble a new O-ring (14) on the valve body (13).
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R (4) Install the valve body (13) as follows:
R (a) Put the valve body (13) in position on the mounting (15) and
R attach it with the bolts (9) and the washers (10).
R (b) TORQUE the bolts (9) to between 0.4 and 0.5 m.daN (35.39 and
R 44.24 lbf.in).
R (5) Install the bonding strap (8) with the bolt (6), the washer (7) and
R the nut (22) on the valve body (13) (Ref. TASK 20-28-00-912-002).
R (6) Install the selector (3) on the control panel as follows:
R (a) Apply a small drop of BONDING AND ADHESIVE COMPOUNDS (Material
R No. 08-007) to the thread of the screw (1).
R (b) Put the selector (3) on the square axle of the valve body (13)
R and attach it with the screw (1) and the washer (2).
R (c) Make sure that the selector (3) stays in the NEUTRAL position.
R (d) Turn the selector (3) to the OPEN or the CLOSE positon and make
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