A320 Trouble Shooting Manual 排故手册 起落架 LANDING GEAR 2(57)

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R  (3067GM) to release the accumulator pressure. 
R  - on the Yellow hydraulic system, depressurize the hydraulic 
R  reservoir (Ref. AMM TASK 29-14-00-614-001). 
R  - on the brake accumulator (2582GM) release the nitrogen pressure. 
R  - remove the ACCU-BRK YELLOW PRESS (2582GM) (Ref. AMM TASK 32-44-11-
R  000-001). 
R  - in the accumulator, on the nitrogen side, do a check for hydraulic 
R  fluid (Ref. CMM 324411). 
R  (a) If there is hydraulic fluid: 
R  - replace the ACCU-BRK YELLOW PRESS (2582GM) . 
R  (b) If there is no hydraulic fluid: 
R  - replace the CHECK VALVE-BRK SYS, Y (3058GM). 
R  - install the Yellow brake accumulator (2582GM) (Ref. AMM TASK 
R  32-44-11-400-001). 
R  - inflate the accumulator with nitrogen (Ref. AMM TASK 12-14-32-
R  614-002). 
R  - On the Yellow hydraulic system, pressurize the hydraulic 
R  reservoir (Ref. AMM TASK 29-14-00-614-002). 
R  - use the Yellow electric pump to pressurize the Yellow brake 
R  accumulator (2582GM) to 206 bars (2988 psi) and stop the pump. 
R  (8) If the fault continues: 
R  - replace the MANIFOLD (3016GM) (Ref. AMM TASK 32-44-17-000-001) 
R  (Ref. AMM TASK 32-44-17-400-001).

 

 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-214,
 TASK 32-44-00-810-809
 Residual Brake Pressure Indication on the Right or Left Brake Yellow Pressure Triple Indicator
 1. Possible Causes
_______________
 - IND-BRK YELLOW PRESS TRIPLE (60GG)

 - DUAL VALVE-ALTN BRK DISTR (2577GM)

 - PRESS XDCR-BRK,YELLOW L (63GG)

 - PRESS XDCR-BRK,YELLOW R (62GG)

 - wiring from the pressure transducer (63GG) to the brake Yellow pressure triple indicator 60GG

 - wiring from the pressure transducer (62GG) to the brake Yellow pressure triple indicator 60GG

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 32-43-14-000-001 Removal of the Dual-Valve 2577GM Alternate Brake-Distribution AMM 32-43-14-400-001 Installation of the Dual-Valve 2577GM Alternate
 Brake-Distribution AMM 32-44-18-000-001 Removal of the Pressure Transducers 62GG, 63GG AMM 32-44-18-400-001 Installation of the Pressure Transducers 62GG, 63GG AMM 32-44-21-000-001 Removal of the Brake Yellow Pressure Triple Indicator
 (60GG) AMM 32-44-21-400-001 Installation of the Brake Yellow Pressure Triple Indicator (60GG) ASM 32-44/01
 3. Fault Confirmation
__________________
 A. Job Set-up Make sure that the PARKING BRK control-switch is set to OFF before you do the procedure.
 B. Test Make sure that there is right or left pressure indication on the triple indicator without any action on the brake pedals.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : 001-049, 051-099, 101-105, 151-199, ∞∞32-44-00∞∞∞∞∞∞∞∞∞∞Page 220
 201-214, Aug 01/05R
 CES

 4. Fault Isolation
_______________

 A. If there is right or left pressure indication on the triple indicator (60GG)
 - Disconnect the electrical connector from the related PRESS XDCR-BRK (62GG or 63GG). Monitor the pressure on the triple indicator.
 (1) If the triple indicator continues to show the residual pressure:

 - replace the IND-BRK YELLOW PRESS TRIPLE (60GG) (Ref. AMM TASK 32-44-21-000-001) (Ref. AMM TASK 32-44-21-400-001).

 (2) If the residual pressure shown on the triple indicator goes to zero:

 - install the pressure gage on the related Yellow brake bleeder to do a check for residual pressure on the brake.
 (a) If there is residual pressure:

 - replace the DUAL VALVE-ALTN BRK DISTR (2577GM) (Ref. AMM TASK 32-43-14-000-001) and (Ref. AMM TASK 32-43-14-400-001).

 (b) If there is no residual pressure:

 - replace the PRESS XDCR-BRK,YELLOW L (63GG) or the PRESS XDCR-BRK,YELLOW R (62GG) (Ref. AMM TASK 32-44-18-000-001) (Ref. AMM TASK 32-44-18-400-001).

 (c) If the fault continues on the left side:

 - do a check of the wiring from the pressure transducer (63GG) to the brake Yellow pressure triple indicator 60GG (Ref. ASM 32-44/01).

 (d) If the fault continues on the right side:
　
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