CAPT Nosewheel-Steering Handwheel Inoperative
1. Possible Causes
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- XMTR UNIT-N/W STRG HANDWHEEL,CAPT (1GC)
- BSCU (10GG)
- wiring from the BSCU (10GG) to the handwheel transmitter unit (1GC)
2. Job Set-up Information
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A. Referenced Information
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REFERENCE DESIGNATION
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AMM 32-42-34-000-001 Removal of the Braking/Steering Control Unit (BSCU) (10GG) AMM 32-42-34-400-001 Installation of the Braking/Steering Control Unit
(BSCU) (10GG) AMM 32-46-00-740-001 BITE Test of the BSCU 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) ASM 32-51/01
3. Fault Confirmation
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A. Test
(1) Do the BITE test of the BSCU (Ref. AMM TASK 32-46-00-740-001).
(2) Read the TROUBLE SHOOTING DATA of the BSCU on the MCDU (Ref. 32-42-00, P. Block 301).
4. Fault Isolation
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R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-220, 301-399,
A. If the test gives the maintenance message CAPT STEERING HANDWHEEL and if the TROUBLE SHOOTING DATA gives the fault code 48:
- replace the XMTR UNIT-N/W STRG HANDWHEEL,CAPT (1GC) (Ref. AMM TASK 32-51-11-000-001) and (Ref. AMM TASK 32-51-11-400-001).
(1) If the fault continues:
- replace the BSCU (10GG) (Ref. AMM TASK 32-42-34-000-001) and (Ref. AMM TASK 32-42-34-400-001).
「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 205
May 01/05 CES (2) If the fault continues:
- if the source of the message is BSCU 1, do a check and repair the wiring from the BSCU (10GG) to the handwheel transmitter unit (1GC) pins AA/9K, 15K, 11K to pins A/P, D, R. (Ref. ASM 32-51/01).
- if the source of the message is BSCU 2, do a check and repair the wiring from the BSCU (10GG) to the handwheel transmitter unit (1GC) pins AA/9A, 15A, 11A to pins A/U, B, V. (Ref. ASM 32-51/01)
B. If the test gives the maintenance message CAPT STEERING HANDWHEEL and if the TROUBLE SHOOTING DATA gives the fault code 4A:
- replace the XMTR UNIT-N/W STRG HANDWHEEL,CAPT (1GC) (Ref. AMM TASK 32-51-11-000-001) and (Ref. AMM TASK 32-51-11-400-001).
(1) If the fault continues:
- replace the BSCU (10GG) (Ref. AMM TASK 32-42-34-000-001) and (Ref. AMM TASK 32-42-34-400-001).
(2) If the fault continues:
- if the source of the message is BSCU 1, do a check and repair the wiring from the BSCU (10GG) to the handwheel transmitter unit (1GC) pins AA/10K, 1J, 12K to pins A/M, E, N. (Ref. ASM 32-51/01).
- if the source of the message is BSCU 2, do a check and repair the wiring from the BSCU (10GG) to the handwheel transmitter unit (1GC) pins AA/10A, 1B, 12A to pins A/S, C, T. (Ref. ASM 32-51/01)
R **ON A/C 106-149, 221-299, 401-499,
A. If the test gives the maintenance message CAPT STEERING HANDWHEEL and if the TROUBLE SHOOTING DATA gives the fault code 790:
- replace the XMTR UNIT-N/W STRG HANDWHEEL,CAPT (1GC) (Ref. AMM TASK 32-51-11-000-001) and (Ref. AMM TASK 32-51-11-400-001).
(1) If the fault continues:
- replace the BSCU (10GG) (Ref. AMM TASK 32-42-34-000-001) and (Ref. AMM TASK 32-42-34-400-001).
(2) If the fault continues:
- if the source of the message is BSCU 1, do a check and repair the wiring from the BSCU (10GG) to the handwheel transmitter unit (1GC) pins AA/9K, 15K, 11K to pins A/P, D, R. (Ref. ASM 32-51/01).
- if the source of the message is BSCU 2, do a check and repair the wiring from the BSCU (10GG) to the handwheel transmitter unit (1GC) pins AA/9A, 15A, 11A to pins A/U, B, V. (Ref. ASM 32-51/01)
「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 206
Aug 01/05 CES
R B. If the test gives the maintenance message CAPT STEERING HANDWHEEL and if
R the TROUBLE SHOOTING DATA gives the fault code 785:
R - replace the XMTR UNIT-N/W STRG HANDWHEEL,CAPT (1GC) (Ref. AMM TASK 32-
R 51-11-000-001) and (Ref. AMM TASK 32-51-11-400-001).
R (1) If the fault continues:
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本文鏈接地址：A320 Trouble Shooting Manual 排故手冊(cè) 起落架 LANDING GEAR 2(97)
