(5)
Safety the nut (23) with the new cotter pin (24).
(6)
Remove the blanking caps.
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(7)
Make sure that the electrical connectors are clean and in the correct condition.
(8)
Connect the electrical connectors (12) and (13) to the electrical connectors on the MLG door uplock (11).
(9)
Install the bolt (19), the washer (18), the bonding strap (17), the washer (16) and the nut (15) (Ref. TASK 20-28-00-912-004).
R (10) Depressurize the Green hydraulic system R (Ref. TASK 29-10-00-864-001)
R (11) Depressurize the reservoir of the Green hydraulic system. R (Ref. TASK 29-14-00-614-001).
Subtask 32-31-33-080-050
E. Remove the rigging pins.
(Ref. Fig. 402/TASK 32-31-33-991-003)
(1) Remove the rigging pins from:
FOR 2521GM
-
the forward face of the MLG door uplock 2521GM,
-
the aft face of the MLG door uplock 2521GM,
-
the forward face of the MLG vent valve 2516GM,
-
the aft face of the door by-pass valve 2517GM. FOR 2520GM
-
the forward face of the MLG door uplock 2520GM,
-
the aft face of the MLG door uplock 2520GM,
-
the forward face of the cutout valve 2515GM,
-
the aft face of the door by-pass valve 2518GM.
Subtask 32-31-33-865-053
F. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1GA, 2GA, 52GA, 1701GK, 1702GK.
Subtask 32-31-33-860-053
G. Preparation for Test
(1)
Connect the PTU isolation coupling (Ref. TASK 29-23-00-860-002).
(2)
If the flight configuration precautions were obeyed, put the aircraft back to the serviceable condition (Ref. TASK 32-00-00-860-002).
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(3)
Remove the container.
(4)
Remove the warning notice(s).
(5)
Remove the access platform(s).
(6)
Close the applicable MLG door (Ref. TASK 32-12-00-410-001).
(7)
If necessary fill the reservoir of the Green hydraulic system to the correct level (Ref. TASK 12-12-29-611-001).
Subtask 32-31-33-720-050
H. Do the Test
(1)
Do the operational test of the landing gear doors (Ref. TASK 32-31-00-710-002).
(2)
Do the operational test of the gear uplock and door uplock mechanical-control-system (Ref. TASK 32-33-00-710-001).
(3)
Open the applicable MLG door (Ref. TASK 32-12-00-010-001).
(4)
Make sure that there is no hydraulic fluid leakage from the MLG door uplock 2521GM (2520GM).
5. Close-up
________ Subtask 32-31-33-410-050
A. Close Access
(1)
Apply corrosion preventive compound to the nuts, bolts, pipe connections and adjacent areas (Ref. TASK 51-75-13-916-002).
(2)
Make sure that the work area is clean and clear of tool(s) and other items.
(3)
Close the applicable MLG door (Ref. TASK 32-12-00-410-001).
(4)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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SELECTOR VALVE - L/G DOOR (41GA) - REMOVAL/INSTALLATION
_______________________________________________________
TASK 32-31-34-000-001
Removal of the L/G Door Selector Valve 41GA
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 blanking caps
No specific blanking plugs
No specific circuit breaker(s) safety clip(s)
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本文链接地址：A320飞机维护手册 AMM LANDING GEAR 起落架4(149)
