A320飞机维护手册 AMM LANDING GEAR 起落架4(152)

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 (4) Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002). 
R R R R  (5) Apply HYDRAULIC FLUIDS (Material No. 02-003), HYDRAULIC FLUIDS (Material No. 02-003A), HYDRAULIC FLUIDS (Material No. 02-003B), HYDRAULIC FLUIDS (Material No. 02-003C) or HYDRAULIC FLUIDS (Material No. 02-003D) to the new seals (6).
 4. Procedure_________
 (Ref. Fig. 401/TASK 32-31-34-991-001)
 Subtask 32-31-34-420-051
 A. Installation of the L/G Door Selector Valve 41GA
 (1) Remove the blanking plugs.
 (2) Install the seals (6) in the hydraulic interface connections of the manifold (5). Make sure that the seals (6) are installed with the PTFE backing ring on top.
 (3) Put the L/G door selector valve (4) on the manifold (5). Make sure that the locating pin on the manifold (5) is in the locating hole in the L/G door selector valve (4).
 (4) Install the washers (2) and the screws (1). TORQUE the screws (1) to 0.9 m.daN (79.64 lbf.in).
 WARNING : WEAR GOGGLES WHEN YOU REMOVE OR INSTALL THE LOCKWIRE. CUT,_______ REMOVE AND DISCARD THE LOCKWIRE AS YOU DO THE TASK. LOOSE LOCKWIRE CAN CUT OR BLIND YOU.
 (5) Safety the screws (1) on the aft edge of the L/G door selector valve (4) with corrosion-resistant steel lockwire 0.8 mm (0.032 in.) dia.
 (6) Remove the blanking caps.

 

 (7) Make sure that the electrical connectors are clean and in the correct

 condition.
 (8) Connect the electrical connectors (3). Subtask 32-31-34-865-051
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1GA, 2GA, 52GA, 1701GK, 1702GK.
 Subtask 32-31-34-860-053
 C. 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).

 (3)
 Remove the container.

 (4)
 Remove the warning notice(s).

 (5)
 Remove the access platform(s).

 (6)
 Close the right 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 32-31-34-720-050
 D. Do the Test
 (1)
 If the aircraft is on jacks, do the functional test of the normal extension and retraction system of the landing gear (Ref. TASK 32-31-00-720-002).

 (2)
 If the aircraft is not on jacks, do the operational test of the landing gear doors (Ref. TASK 32-31-00-710-002).

 (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 L/G door selector valve 41GA.

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 5. Close-up
________ Subtask 32-31-34-410-050
 A. Close Access
 (1)
 Apply corrosion preventive compound (Ref. TASK 51-75-13-916-002) to the heads of the screws (1) and the adjacent areas.

 (2)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (3)
 Close the right 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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 ACTUATING CYLINDER - MLG DOOR (2522GM,2523GM) - REMOVAL/INSTALLATION
____________________________________________________________________ TASK 32-31-35-000-001 Removal of the MLG Door Actuating-Cylinder 2523GM (2522GM) 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 plugs
　
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