A320飞机维护手册 AMM LANDING GEAR 起落架7(156)_航空信息_民用航空_通用航空

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-put the PARKING BRK control switch 73GG in the ON position.
8. On the panel 110VU:
-put the PARKING BRK control switch 73GG in the OFF position.
9. On the panel 121VU:
-close the circuit breaker 70GG.
Subtask 32-45-00-860-050The triple indicator 60GG shows theleft and right pressure values. In the brake units, make sure that the pistons supplied by the Yellow hydraulic system are in the operating or extended position. On the nose landing-gear leg, on the N/W Steering Deactivation Electric-Box 5GC, the PARKING BRAKE indicator light is off.
On the triple indicator 60GG, thepressure from the Yellow hydraulicsystem applied to the brakes is zero. In the brake units, the pistons supplied by the Yellow hydraulic system are in the released position. On the nose landing gear leg, on the N/W Steering Deactivation Electric-Box 5GC, the PARKING BRK indicator light is off.
B. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
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5. Close-up
________ Subtask 32-45-00-942-051
A. Removal of Equipment
(1)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.

(2)
Remove the warning notice(s).

(3) Remove the access platform(s). Subtask 32-45-00-410-050
B. Close Access
(1) Close the right MLG door (Ref. TASK 32-12-00-410-001).
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TASK 32-45-00-720-002 Functional Check of the Brake Accumulator System with the Parking Brake Applied WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______ CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
WARNING : MAKE SURE THAT THE CONTROLS AGREE WITH THE POSITION OF THE ITEMS THEY
_______ OPERATE BEFORE YOU PRESSURIZE A HYDRAULIC SYSTEM.
WARNING : PRESSURIZE ONLY THE HYDRAULIC SYSTEM(S) THAT IS (ARE) NECESSARY FOR
_______ THE TASK. ISOLATE THE OTHER HYDRAULIC SYSTEM(S) BEFORE YOU SUPPLY HYDRAULIC POWER TO THE AIRCRAFT.
WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
_______ YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
1. Reason for the Job
__________________
Refer to the MPD TASK: 324500-02
Refer to the MPD TASK: 324000-15
To do a leakage test of the Brake Accumulator System.

2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice(s)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 32-44-11-200-001 Check Nitrogen Charge Pressure On Parking/Emergency Accumulator By Reading Gauge
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3. Job Set-up__________
Subtask 32-45-00-865-051
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
R 49VU L/G/Y BRK/PRESS/IND 61GG C10
R **ON A/C 401-499,
R 49VU ABCU &/Y BRK/PRESS IND 61GG C10
R **ON A/C ALL
R R 121VU HYDRAULIC/HYD POWER/Y 123VU Y HYD/ELEC/PUMP 3803GX 3802GX N30 AB06
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-210,
Subtask 32-45-00-860-053
B. Aircraft Maintenance Configuration
(1) On the panel 400VU, make sure that the landing-gear control lever is in the DOWN position.
(2) On the panel 110VU, make sure that the PARKING BRK control-switch is in the ON position.
(3) Make sure that the CAPT and F/O brake pedals are released.
(4) Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(5) Make sure that the Green and Yellow hydraulic systems are depressurized.