- PRESS SW-PARK BRK (86GG)
- ground signal at the wiring from the parking brake electrical control valve (72GG) to the SDAC (1WV1)
- ground signal at the wiring from the BSCU (10GG) to the first terminal block
- ground signal at the wiring from the parking brake controlled relay (14RK) pin Z to the first terminal block
- ground signal at the wiring from the parking brake electrical control valve (72GG) to the parking brake pressure switch (86GG)
- ground signal at the wiring from the parking brake pressure switch (86GG) to th SDAC (1WV1)
2. Job Set-up Information
______________________
A. Referenced Information
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REFERENCE DESIGNATION
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AMM 32-45-17-000-001 Removal of the Park Brake - Pressure Switch (86GG) AMM 32-45-17-400-001 Installation of the Park Brake - Pressure Switch (86GG) AMM 32-45-51-000-001 Removal of the Parking-Brake Electrical Control-Valve 72GG AMM 32-45-51-400-001 Installation of the Parking-Brake Electrical Control-Valve 72GG
3. Fault Confirmation
__________________
A. Not applicable.
4. Fault Isolation
_______________
**ON A/C 001-049, 051-099, 101-105, 151-154, 201-207,
A. If the CONFIG PARK BRK ON warning comes into view when the PARK BRK
control switch is at OFF (during flight phases 3 and 4): R - do a check for a ground signal at pin B/E of the parking brake R electrical control valve (72GG) (Ref. ASM 32-45/01).
「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 ∞∞32-45-00∞∞∞∞∞∞∞∞∞∞Page 220
Aug 01/05 CES
(1) If there is a ground signal:
- replace the CTL VALVE-PARK BRK,ELEC. (72GG) (Ref. AMM TASK 32-45-51-000-001) (Ref. AMM TASK 32-45-51-400-001).
(2) If there is no ground signal:
- do a check for a ground signal at the wiring from the parking brake electrical control valve (72GG) to the SDAC (1WV1).
(a) If the fault continues:
- do a check for a ground signal at the wiring from the BSCU (10GG) to the first terminal block (Ref. ASM 32-42/01).
1 If the fault continues:_
R - do a check for a ground signal at the wiring from the
parking brake controlled relay (14RK) pin Z to the first
R terminal block (Ref. ASM 23-71/01).
R **ON A/C 001-049, 101-149, 151-199, 201-299, 301-399, 401-499,
Post SB 32-1201 For A/C 001-049,101-105,151-154,201-207,
A. If the CONFIG PARK BRK ON warning comes into view when the PARK BRK
control switch is at OFF (during flight phases 3 and 4):
R - do a check for a ground signal at pin B/E of the parking brake
R electrical control valve (72GG) (Ref. ASM 32-45/01).
(1) If there is a ground signal:
- replace the CTL VALVE-PARK BRK,ELEC. (72GG) (Ref. AMM TASK 32-45-
51-000-001) (Ref. AMM TASK 32-45-51-400-001).
(2) If there is no ground signal:
- do a check for a ground signal at the wiring from the parking brake
electrical control valve (72GG) to the parking brake pressure
switch (86GG).
(a) If there is no ground signal:
- do a check for a ground signal at pin A/B of the parking brake
pressure switch (86GG) (Ref. ASM 32-45/01).
1 If there is a ground signal:_
- replace the PRESS SW-PARK BRK (86GG) (Ref. AMM TASK 32-45-
17-000-001) (Ref. AMM TASK 32-45-17-400-001).
2 If there is no ground signal:_
- do a check for a ground signal at the wiring from the
parking brake pressure switch (86GG) to th SDAC (1WV1).
(b) If the fault continues:
- do a check for a ground signal at the wiring from the BSCU
(10GG) to the first terminal block (Ref. ASM 32-42/01).
「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 ∞∞32-45-00∞∞∞∞∞∞∞∞∞∞Page 221
Aug 01/05 CES
1 If the fault continues:
_ TASK 32-45-00-810-806
R R - do a check for a ground signal at the wiring from the parking brake controlled relay (14RK) pin Z to the first terminal block (Ref. ASM 23-71/01).
**ON A/C ALL
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本文链接地址：A320 Trouble Shooting Manual 排故手册 起落架 LANDING GEAR 2(67)
