-repair them.
(2)
If the connections are correct:
-replace the VALVE-HP BLEED (4000HA) (Ref. AMM TASK 36-11-51-000-010) and (Ref. AMM TASK 36-11-51-400-010).
1 -EFF : ALL
-∞∞36-11-00∞∞∞∞∞∞∞∞∞∞Page 293
--May 01/05 ---CES - (3) If the fault continues:
-replace the SOL-HP BLEED VALVE CLOSURE CONTROL (4029KS) (Ref. AMM TASK 36-11-57-000-001) and (Ref. AMM TASK 36-11-57-400-001).
R **ON A/C 151-199, 401-499,
A. If the fault symptom is identified by the maintenance message: HP BLEED-V 4000HA2 OR SOLENOID 11HA2
-do a check and clean the sense line between the HP bleed valve (4000HA), the Soleno d HP Bleed Override (11HA2) and the bleed pressure-regulator valve (4001HA).
(1)
If the connections are not correct:
-repair them and refer to Para. B
(2)
If the connections are correct:
-replace the VALVE-HP BLEED (4000HA) (Ref. AMM TASK 36-11-51-000-010) and (Ref. AMM TASK 36-11-51-400-010).
(3)
If the fault continues:
-replace the SOL-HP BLEED OVERRIDE, ENG2 (11HA2) (Ref. AMM TASK 36-11-58-000-001) and (Ref. AMM TASK 36-11-58-400-001).
**ON A/C ALL
B. After the subsequent flight, make sure that the fault does not continue.
1 -EFF : ALL
-∞∞36-11-00∞∞∞∞∞∞∞∞∞∞Page 294
--Aug 01/05 ---CES - Overpressure Valve of the Engine 1 Blocked in the Open Position
1. Possible Causes
_______________
-VALVE-OVERPRESSURE, ENG 1 (5HA1)
-
wiring from the overpressure valve to the BMC1
-
wiring between pin A/2 of the overpressure valve and the ground terminal
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 36-11-53-000-001 Removal of the Overpressure Valve (5HA1,5HA2) AMM 36-11-53-400-001 Installation of the Overpressure Valve (5HA1,5HA2) ASM 36-11/01
3. Fault Confirmation
__________________
A. Not applicable.
4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-228, 301-302,
A. If the fault symptom is identified by the maintenance message OVERPRESS-V 5HA1 , if the overpressure valve is blocked in the open position and if the bleed pressure indication is more than 80 psig:
-replace the VALVE-OVERPRESSURE, ENG 1 (5HA1) (Ref. AMM TASK 36-11-53-000-001) and (Ref. AMM TASK 36-11-53-400-001).
(1)
If the fault continues:
-do a check and repair the wiring from the overpressure valve to the BMC1, pin A/1 to pin AA/10A (Ref. ASM 36-11/01).
(2)
If the fault continues:
-do a check and repair the wiring between pin A/2 of the overpressure valve and the ground terminal.
1 -EFF : ALL
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--May 01/05 ---CES -R **ON A/C 106-149, 229-299, 303-399, 401-499,
A. If the fault symptom is identified by the maintenance message OVPRESS-V-5HA1, if the overpressure valve is blocked in the open position and if the bleed pressure indication is more than 80 psig:
-replace the VALVE-OVERPRESSURE, ENG 1 (5HA1) (Ref. AMM TASK 36-11-53-000-001) and (Ref. AMM TASK 36-11-53-400-001).
(1)
If the fault continues:
-do a check and repair the wiring from the overpressure valve to the BMC1, pin A/1 to pin AA/10A (Ref. ASM 36-11/01).
(2)
If the fault continues:
-do a check and repair the wiring between pin A/2 of the overpressure valve and the ground terminal.
**ON A/C ALL
B. After the subsequent flight, make sure that the fault does not continue.
1 -EFF : ALL
-∞∞36-11-00∞∞∞∞∞∞∞∞∞∞Page 296 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320 Trouble Shooting Manual 排故手册 PNEUMATIC(51)
