B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 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) 32-00-00-481-001 Installation of the Safety Devices on the Landing Gears 32-43-35-991-001 Fig. 401
3. Job Set-up
__________
Subtask 32-43-35-941-050
A. Safety Precautions
(1)
Put the safety barriers in position.
(2)
Make sure that the ground safety locks are on the landing gear (Ref. TASK 32-00-00-481-001).
(3)
On the panel 400VU:
-make sure that the landing-gear control-lever 6GA is in the DOWN position
-put a warning notice in position to tell persons not to operate the landing gear.
(4)
Put a warning notice on the ground service connection to tell persons not to pressurize the Yellow and Green hydraulic systems.
(5)
Operate the brake pedals until the brake accumulator of the yellow hydraulic system is at zero.
Subtask 32-43-35-860-050
B. Aircraft Maintenance Configuration
(1)
Disconnect the isolation coupling of the PTU (Ref. TASK 29-23-00-860-001).
(2)
Make sure that the Yellow and Green hydraulic systems are depressurized (Ref. TASK 29-00-00-864-001).
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(3) Make sure that the applicable hydraulic reservoir is depressurized (Ref. TASK 29-14-00-614-001).
Subtask 32-43-35-865-050
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU ABCU &/Y BRK/PRESS IND 61GG C10 121VU HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY 4GG M36 121VU HYDRAULIC/BRAKING AND STEERING/SYS2/CTL 3GG M35 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/CTL 1GG M34 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY 2GG M33 121VU HYDRAULIC/PARK BRK/CTL/STBY 71GG N37 121VU HYDRAULIC/PARK BRK/CTL/NORM 70GG N36 121VU HYDRAULIC/HYD POWER/Y 3803GX N30 121VU ABCU/HOT BUS/SPLY 110GG P30 123VU Y HYD/ELEC/PUMP 3802GX AB06 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
Subtask 32-43-35-010-050
D. Get Access
(1)
Put the access platform below the applicable false rear spar at zone 571(671).
(2)
Put a container below the applicable alternate-brake manifold.
4. Procedure_________
(Ref. Fig. 401/TASK 32-43-35-991-001)
Subtask 32-43-35-020-050
A. Removal of the Alternate-Brake Direct Drive Valve
WARNING : DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:
_______
-FLUSH IT AWAY WITH CLEAN WATER
-GET MEDICAL AID.
CAUTION : MAKE SURE THAT THE FLUID DOES NOT STAY ON THE AIRCRAFT
_______ STRUCTURE. IF THE FLUID GETS ON THE AIRCRAFT STRUCTURE, WASH IT OFF IMMEDIATELY WITH SOAP AND WATER.
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Alternate-Brake Direct Drive Valve 97GG(98GG) - Location and Detail
Figure 401/TASK 32-43-35-991-001
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(1)
Disconnect the electrical connector (1).
(2)
Put blanking caps on the disconnected electrical connectors.
(3)
Remove the screws (2) and the direct drive valve (3). Make sure that the dowel stays with the direct drive valve (3).
(4) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM LANDING GEAR 起落架7(107)
