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REFERENCE DESIGNATION -------------------------------------------------------------------------------
R 32-00-00-860-001 Flight Configuration Precautions with Electrical
R Power 32-12-00-010-001 Open the Main Gear Doors for Access 32-31-48-991-001 Fig. 401
3. Job Set-up
__________
Subtask 32-31-48-860-050
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Depressurize the Green hydraulic system (Ref. TASK 29-10-00-864-001). Subtask 32-31-48-010-050
B. Get Access
(1)
Open the right MLG door (Ref. TASK 32-12-00-010-001).
Subtask 32-31-48-869-050
C. Disconnection of the PTU Isolation Coupling
(1)
Depressurize the reservoir of the Green hydraulic system (Ref. TASK 29-14-00-614-001).
(2)
Disconnect the PTU isolation coupling (Ref. TASK 29-23-00-860-001).
(3)
De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
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(4)
Obey the flight configuration precautions (Ref. TASK 32-00-00-860-001).
(5)
Put the access platform in position.
(6)
Put the container below the restrictor valve to collect hydraulic fluid leakage.
Subtask 32-31-48-865-050
D. Open, safety and tag this(these) circuit breaker(s):
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PANEL DESIGNATION IDENT. LOCATION
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R 49VU L/G/LGCIU/SYS1/NORM 1GA C09 121VU HYDRAULIC/LGCIU/SYS2 2GA Q35 121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
Subtask 32-31-48-941-050
E. Safety Precautions
(1) Put the warning notices in position to tell persons not to pressurize the Green hydraulic system: - on the panel 40VU in the cockpit, - on the ground service panel of the Green hydraulic system.
4. Procedure
_________
(Ref. Fig. 401/TASK 32-31-48-991-001)
Subtask 32-31-48-020-050
A. Removal of the Restrictor Valve 2538GM
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Disconnect the connector (1) from the restrictor valve (5).
(3)
Remove the restrictor valve (5) from the manifold (4).
(4)
Remove and discard the packing (3) from the restrictor valve (2).
(5)
Put blanking plugs on the disconnected line ends.
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Restricter Valve 2538GM
Figure 401/TASK 32-31-48-991-001
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1 1 Feb 01/98
1 1
1CES 1
TASK 32-31-48-400-001
Installation of Restrictor Valve 2538GM
WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
_______
YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notices
No specific Torque Wrench : range 1.00 to 10.00 m.daN
(8.00 to 75.00 lbf.ft) No specific Torque Wrench : range 2.00 to 20.00 m.daN
(15.00 to 150.00 lbf.ft)
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