-
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
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REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific blanking plugs
No specific circuit breaker(s) safety clip(s)
No specific warning notices
No specific access platform 1.5 m (4 ft. 11 in.)
No specific container 5 l (1.3208 USgal)
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B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
External Power 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) 32-00-00-860-001 Flight Configuration Precautions 32-12-00-010-001 Open the Main Gear Doors for Access 32-33-12-991-001 Fig. 401
3. Job Set-up
__________ Subtask 32-33-12-860-050
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 32-33-12-010-050
B. Get Access
(1)
Open the right MLG door (Ref. TASK 32-12-00-010-001). Subtask 32-33-12-869-051
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)
Obey the flight configuration precautions (Ref. TASK 32-00-00-860-001).
(4)
Put the access platform in position.
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(5) Put the container below the cutout valve 2515GM to collect the hydraulic fluid leakage.
Subtask 32-33-12-865-050
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 32-33-12-941-050
E. Safety Precautions
(1) Put the warning notices in position: - on the panel 40VU and the ground service panel to tell persons not to pressurize the Green hydraulic system,
- on the free-fall extension-handle to tell persons not to operate the L/G free-fall extension system.
4. Procedure
_________
(Ref. Fig. 401/TASK 32-33-12-991-001)
Subtask 32-33-12-020-050
A. Removal or the L/G Free-Fall Cutout-Valve 2515GM
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Remove and discard the cotter pin (13).
(3)
Remove the nut (15), the washer (16), the bolt (18) and the bush (17).
(4)
Move the adjustable rod (7) away from the lever (9).
(5)
Disconnect the connectors (2), (5) and (19) and remove the elbow assemblies (1), (6) and (20).
(6)
Put blanking plugs on the disconnected line ends.
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Cutout Valve 2515GM - L/G Free Fall
Figure 401/TASK 32-33-12-991-001
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(7) Remove the nuts (4), the bolts (21) and the washers (22) and remove 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320飛機維護手冊 AMM LANDING GEAR 起落架6(2)
