(2)
Depressurize the Green hydraulic system (Ref. TASK 29-10-00-864-001).
Subtask 32-31-47-010-050
B. Get Access
(1) Open the right MLG door (Ref. TASK 32-12-00-010-001).
Subtask 32-31-47-869-051
C. Disconnection of the PTU Isolation Coupling
(1)
Depressurize the reservoir of Green hydraulic system (Ref. TASK 29-10-00-864-001) .
(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 check valve 2537GM to collect the hydraulic fluid leakage.
Subtask 32-31-47-865-050
D. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
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 32-31-47-941-050
E. Safety Precautions
(1) Put the warning notices in position to tell persons not to operate 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 32-31-47-991-001)
Subtask 32-31-47-020-052
A. Removal of the Check Valve 2537GM
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Disconnect the connectors (1) and (2) from the reducer tee (3).
(3)
Disconnect the connector (4) from the check valve (5) and remove the reducer tee (3).
(4)
Remove the check valve (5) from the manifold (7).
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Check Valve 2537GM
Figure 401/TASK 32-31-47-991-001
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(5)
Remove and discard the packing (6) from the check valve (5).
(6)
Put blanking plugs on the disconnected line ends.
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TASK 32-31-47-400-001 Installation of the Check Valve 2537GM 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. WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
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 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)
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本文鏈接地址：A320飛機維護手冊 AMM LANDING GEAR 起落架5(33)
