Axle Sleeve / Drive Assy / Tachometer - Component Location
Figure 007
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Selector Valve / Hydraulic Filter - Component Location
Figure 008
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Automatic Selector/ Throttle Valve - Component Location
Figure 009
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Check Valve - Component Location
Figure 010
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Safety Valve / Servovalve Manifold - Component Location
Figure 011
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Safety Valve / Servovalve Manifold - Component Location
Figure 011A
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Brake - Component Location
Figure 012
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-------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL | ZONE| ACCESS| ATA | | | | DOOR | REF. -------------------------------------------------------------------------------
20GG TACHOMETER-WHEEL 3
21GG TACHOMETER-WHEEL 2
22GG TACHOMETER-WHEEL 4
23GG SEL VALVE-BRK
2576GM AUTOMATIC SEL-BRK
2581GM THROTTLE VALVE-NORM BRK
2584GM FILTER-HYDRAULIC, BRK
2593GM CHECK VALVE-BRK, L
2594GM CHECK VALVE-BRK, R
2612GM MANIFOLD-NORM BRK SERVOVALVE, R
2613GM MANIFOLD-NORM BRK SERVOVALVE, L
2616GM SAFETY VALVE-NORM BRK WHEEL 2
2617GM SAFETY VALVE-NORM BRK WHEEL 3
2618GM SAFETY VALVE-NORM BRK WHEEL 1
2619GM SAFETY VALVE-NORM BRK WHEEL 4
2631GM AXLE SLEEVE-ADAPTER, WHEEL 4
2632GM AXLE SLEEVE-ADAPTER, WHEEL 3
2633GM AXLE SLEEVE-ADAPTER, WHEEL 2
2634GM AXLE SLEEVE-ADAPTER, WHEEL 1
2641GM BRAKE-WHEEL 2
2642GM BRAKE-WHEEL 4
2643GM BRAKE-WHEEL 1
2644GM BRAKE-WHEEL 3
2678GM DRIVE ASSY-TACHOMETER, WHEEL 4
2679GM DRIVE ASSY-TACHOMETER, WHEEL 3
2680GM DRIVE ASSY-TACHOMETER, WHEEL 2
2681GM DRIVE ASSY-TACHOMETER, WHEEL 1
3. Component Description
_____________________
A. Controls in the Cockpit
741 32-42-57731 32-42-57741 32-42-57146 734 32-42-11148 744 32-42-13148 744 32-42-76146 734 32-42-12571 32-42-77671 32-42-77741 32-42-16731 32-42-16731 32-42-36741 32-42-36731 32-42-36741 32-42-36741 32-42-71741 32-42-71731 32-42-71731 32-42-71731 32-42-27741 32-42-27731 32-42-27741 32-42-27741 32-42-68741 32-42-68731 32-42-68731 32-42-68
The control is electrical and is achieved:
-either via the pedals.
- or automatically: On the ground by the auto brake system and in flight, when the landing-gear Normal control-lever is put in the UP position.
In all the cases, the energization of a selector valve causes the supply
of the system.
When you put the A/SKID & NOSE WHEEL control switch in the OFF position
or when you apply the parking brake:
-
the selector valve is de-energized,
-
the Normal mode is de-activated.
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Rods and bellcranks mechanically link the Captain and First Officer pedal
controls.
(Ref. Fig. 002)
The left pedals control one of the input levers of the brake pedal
transmitter unit. The right pedals control the other lever.
B. Brake-Pedal Transmitter Unit (Ref. Fig. 003, 013, 014) The brake-pedal transmitter unit is located underfloor on the First Officer side. It transforms the mechanical input from the left and right pedals into four identical electrical voltages per side. This is done via plastic-track potentiometers. These voltages are sent to the Braking/Steering Control Unit (BSCU). For a given position of the pedals, the BSCU delivers a command for the energization of the selector valve. When the pedals are depressed, any overtravel is absorbed by the spring rods which actuate the levers of the transmitter unit. 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6(83)
