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1_ If the fault continues:
- do a check for a short to ground at the wiring from pin A/1
of the bleed regulated-pressure transducer (8HA2) to the
circuit breaker (2HA2).
a If there is a short to ground:
_
-replace the C/B-BMC 2 (2HA2).
(b) If the circuit breaker stays closed and the fault continues:
-replace the BMC-1 (1HA1).
C. After the subsequent flight, make sure that the fault does not continue.
1
-EFF : ALL
-∞∞36-11-00∞∞∞∞∞∞∞∞∞∞Page B209
--Feb 01/05R ---CES -
Abnormal Bleed Temperature Shown Amber during BMC1 Test with the Engines Not in Operation
1. Possible Causes
_______________
-BMC-1 (1HA1)
-SENSOR-EXCHANGER OUT TEMP, ENG 1 (6HA1)
-
wiring from the connector 1HA1-AB/1B to the ground
-
wiring from the connector 1HA1-AA/9B to the connector 6HA1-A/2
-
wiring from the connector 1HA1-AA/10B to the connector 6HA1-A/4
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice(s)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 36-11-00-740-001 BITE Test of the BMC 1(2) AMM 36-11-17-000-001 Removal of the Heat-Exchanger Outlet-Temperature Sensor 6HA1(6HA2) AMM 36-11-17-400-001 Installation of the Heat-Exchanger Outlet-Temperature
Sensor 6HA1(6HA2) AMM 36-11-34-000-001 Removal of the BMC (1HA1, 1HA2) AMM 36-11-34-400-001 Installation of the BMC (1HA1, 1HA2) ASM 36-11/01
3. Fault Confirmation
__________________
A. Job Set-Up
(1) On the center pedestal, on the ENG panel 115VU:
-put a warning notice(s) to tell persons not to start the engines.
B. Test
(1) Do the BITE test of the BMC1 (Ref. AMM TASK 36-11-00-740-001).
1
-EFF : ALL
-∞∞36-11-00∞∞∞∞∞∞∞∞∞∞Page B210
--Feb 01/05R ---CES -
4. Fault Isolation
_______________
A. If during the test with the engines not in operation, an abnormal bleed temperature is shown amber on the BLEED page of the lower ECAM DU:
-remove the BMC2 (1HA2) (Ref. AMM TASK 36-11-34-000-001)
-Do the test given in para. 3.
(1) If during the test, the abnormal bleed temperature is shown amber on the BLEED page for the engines 1 and 2: - on the connector 1HA1-AB, on the wiring side, make sure that there
is ground at pin 1B (Ref. ASM 36-11/01):
(a)
If there is ground at pin 1B:
-replace the BMC-1 (1HA1) (Ref. AMM TASK 36-11-34-000-001) and (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.B.
(b)
If there is no ground at pin 1B:
-do a check and repair the wiring from the connector 1HA1-AB/1B to the ground
-refer to Para. 4.B.
(2) If during the test, the abnormal bleed temperature is shown amber on the BLEED page for the engine 1 only:
-replace the SENSOR-EXCHANGER OUT TEMP, ENG 1 (6HA1) (Ref. AMM TASK 36-11-17-000-001) and (Ref. AMM TASK 36-11-17-400-001).
(a)
If the fault continues:
-do a check and repair the wiring from the connector 1HA1-AA/9B to the connector 6HA1-A/2 and wiring from the connector 1HA1-AA/10B to the connector 6HA1-A/4 (Ref. ASM 36-11/01) 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(89)
