A320 Trouble Shooting Manual 排故手册 起落架 LANDING GEAR 2(135)

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 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 32-21-00-200-002 General Visual Inspection of the Nose Landing Gear AMM 32-51-00-720-003 Functional Test of the Nose Wheel Steering with the
 Handwheel. AMM 32-51-15-000-001 Removal of the Swivel Selector Valve AMM 32-51-15-400-001 Installation of the Swivel Selector Valve AMM 32-51-42-000-001 Removal of the Nose Wheel Steering Cylinder AMM 32-51-42-400-001 Installation of the Nose Wheel Steering Cylinder AMM 32-51-51-000-001 Removal of the Nose Wheel Steering Servo-Control
 (6GC) AMM 32-51-51-400-001 Installation of the Nose Wheel Steering Servo-Control (6GC)
 3. Fault Confirmation
__________________
 A. Test
 (1) Not applicable, the fault is evident.
 4. Fault Isolation
_______________
 A. If the nose wheel is free castor:
 NOTE : Before you start the procedure, make sure that the ground towing
____ lever on the electrical box (5GC) is not in the towing position.
 - do a check of the steering hydraulic system for leakage on: . the rotating joint . the N/W steering servo control (6GC) . the hydraulic pipes . the nose wheel steering cylinders.
 「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 : ALL ∞∞32-51-00∞∞∞∞∞∞∞∞∞∞Page 298
 Aug 01/05R
 CES

 (1) If there are leaks:

 - replace the defective component: . the rotating joint (Ref. AMM TASK 32-51-15-000-001) (Ref. AMM TASK 32-51-15-400-001) . the SERVO CTL-N/W STEERING (6GC) (Ref. AMM TASK 32-51-51-000-001) (Ref. AMM TASK 32-51-51-400-001) . the hydraulic pipe . the steering cylinder (Ref. AMM TASK 32-51-42-000-001) (Ref. AMM TASK 32-51-42-400-001).

 (2) If there are no leaks:

 - do an inspection/check of the torque links assembly (Ref. AMM TASK 32-21-00-200-002).
 B. Do the functional test of the steering of the nose wheels with the handwheel (Ref. AMM TASK 32-51-00-720-003).
 「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 : ALL ∞∞32-51-00∞∞∞∞∞∞∞∞∞∞Page 299
 Aug 01/05R
 CES

 TASK 32-51-00-810-825

 Jerky Steering
 1. Possible Causes
_______________
 - XMTR UNIT-N/W STRG HANDWHEEL,CAPT (1GC)

 - XMTR UNIT-N/W STRG HANDWHEEL,F/O (2GC)

 - SERVO CTL-N/W STEERING (6GC)

 - adjustment of the nose wheel steering "zero" position

 - NLG tires

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
AMM 32-51-00-820-002  Adjustment of the NWS "Zero" Position with the Adjusting Tool F26630200 for A/C with NWS Sensor (3GC,4GC) P/N C24763000, NLG Centering Cams as Reference
 AMM 32-51-11-000-001 Removal of the Transmitter Unit - Nose Wheel Steering Handwheel (1GC,2GC) AMM 32-51-11-400-001 Installation of the Transmitter Unit - Nose Wheel Steering Handwheel (1GC,2GC) AMM 32-51-19-220-001 Check of the Voltage at the Nose Wheel Steering Feedback Sensor (3GC,4GC) AMM 32-51-51-000-001 Removal of the Nose Wheel Steering Servo-Control (6GC) AMM 32-51-51-400-001 Installation of the Nose Wheel Steering Servo-Control (6GC)
 3. Fault Confirmation
__________________
 A. Test
 Not applicable.

 4. Fault Isolation
_______________
 A. If jerky steering occurs:
 - Do a check of the voltage at the nose wheel steering feedback sensor 3GC (Ref. AMM TASK 32-51-19-220-001)
 (1) If voltage is out of the specified limits:
 - do the adjustment of the nose wheel steering "zero" position (Ref. AMM TASK 32-51-00-820-002)
 「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 : ALL ∞∞32-51-00∞∞∞∞∞∞∞∞∞∞Page A200
 Aug 01/05R CES

 (2) If voltage is correct:
 - replace the XMTR UNIT-N/W STRG HANDWHEEL,CAPT (1GC) (Ref. AMM TASK 32-51-11-000-001) (Ref. AMM TASK 32-51-11-400-001)
 (a) If the fault continues

 - replace the XMTR UNIT-N/W STRG HANDWHEEL,F/O (2GC) (Ref. AMM TASK 32-51-51-000-001) (Ref. AMM TASK 32-51-51-400-001).

 (b) If the fault continues:
　
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