WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
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START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
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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 access platform 2 m (6 ft. 7 in.)
No specific container 5 l (1.3208 USgal)
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B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-00-00-910-002 Safety Procedures of the Hydraulic System 29-10-00-864-001 Depressurize the Green 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) 32-12-00-010-001 Open the Main Gear Doors for Access 32-42-76-991-001 Fig. 401
3. Job Set-up
__________ Subtask 32-42-76-860-050
A. Aircraft Maintenance Configuration
(1)
Depressurize the Green hydraulic system (Ref. TASK 29-10-00-864-001). Subtask 32-42-76-010-050
B. Get Access
(1)
Open the right MLG door (Ref. TASK 32-12-00-010-001). Subtask 32-42-76-869-051
C. Disconnection of the 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)
Put the access platform in position.
(4)
Put the container below the throttle valve 2581GM to collect the hydraulic fluid leakage.
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D. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY 4GG M36 121VU HYDRAULIC/BRAKING AND STEERING/SYS2/CTL 3GG M35 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/CTL 1GG M34 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY 2GG M33 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
Subtask 32-42-76-941-050
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 32-42-76-991-001) Subtask 32-42-76-020-051
A. Removal of the Trottle Valve (1)
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Disconnect the connectors (2) and (5) and remove the throttle valve
(1) with the elbow (4) from the automatic selector (6).
(3)
Remove the elbow (4) and the packing (3) from the throttle valve (1). Discard the packing (3).
(4)
Put blanking plugs on the disconnected line ends.
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Throttle Valve 2581GM
Figure 401/TASK 32-42-76-991-001
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TASK 32-42-76-400-001 Installation of the Throttle Valve 2581GM WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
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YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
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