-install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
* if the impedance is more than 3 KOhms:
-disconnect the connector between the sensing elements
34HF and 35HF
-connect the connector between the sensing elements 33HF
and 34HF
-do a check of the impedance read on the LOOP CONTROLLER
(9240SI).
** if the impedance is less than 3 KOhms:
-replace the OVHT SENS ELEMENT (34HF) (Ref. AMM TASK 36-22-18-000-001) and (Ref. AMM TASK 36-22-18-400-001)
-connect all the cables or connectors disconnected
-disconnect the LOOP CONTROLLER (9240SI) from the BMC1
connector
-install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
** if the impedance is more than 3 KOhms:
-replace the OVHT SENS ELEMENT (35HF) (Ref. AMM TASK 36-22-18-000-001) and (Ref. AMM TASK 36-22-18-400-001)
-connect all the cables or connectors disconnected
-disconnect the LOOP CONTROLLER (9240SI) from the BMC1 connector
-install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
. If the impedance is more than 3 KOhms:
-disconnect the connector between the sensing element 36HF and the cable 30HF
-connect the connector between the sensing elements 35HF and 36HF
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--May 01/04R ---CES -
-do a check of the impedance read on the LOOP CONTROLLER (9240SI).
* if the impedance is less than 3 KOhms:
-replace the OVHT SENS ELEMENT (36HF) (Ref. AMM TASK 36-22-18-000-001) and (Ref. AMM TASK 36-22-18-400-001)
-connect all the cables or connectors disconnected
-disconnect the LOOP CONTROLLER (9240SI) from the BMC1 connector
-install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
* if the impedance is more than 3 KOhms:
-replace the CABLE ASSY (30HF) (Ref. AMM TASK 36-22-18-000-001) and (Ref. AMM TASK 36-22-18-400-001)
-connect all the cables or connectors disconnected
-
do a check of the impedance read on the LOOP CONTROLLER
(9240SI).
** if the impedance is less than 3 KOhms:
-
do a check and repair the wiring between the pin AA/4B of the BMC1 (1HA1) and the cable 30HF
-disconnect the LOOP CONTROLLER (9240SI) from the BMC1 connector
-install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
** if the impedance is more than 3 KOhms:
-disconnect the LOOP CONTROLLER (9240SI) from the BMC1 connector
-install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
B. If the test gives the TEST OK message:
-
do a functional test of the bleed air supply system (Ref. AMM TASK 36-11-00-720-004)
-
do the leak check on the bleed air ducts (Ref. AMM TASK 36-22-00-790-001).
-repair the duct which causes the leak.
C. Do the test given in para. 3.
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Leak Detection from the Loop B in the Left Wing
1. Possible Causes
_______________
-BMC-2 (1HA2)
-CABLE-CONNECTING (57HF)
-
ELEMENT-OVERHEAT SENSING (63HF)
-
ELEMENT-OVERHEAT SENSING (62HF)
-OVHT SENS ELEMENT (61HF)
-
ELEMENT-OVERHEAT SENSING (60HF)
-
ELEMENT-OVERHEAT SENSING (59HF)
-
ELEMENT-OVERHEAT SENSING (58HF)
-OVHT SENS ELEMENT (78HF)
-
SNSG ELEM-OVHT, L WING LOOP B (56HF)
-
SNSG ELEM-OVHT, L WING LOOP B (55HF)
-
SNSG ELEM-OVHT, L WING LOOP B (54HF)
-
SNSG ELEM-OVHT, L WING LOOP B (53HF)
-
CABLE-CONNECTING, L WING LOOP B (52HF)
-
CABLE-CONNECTING, L WING LOOP B (51HF)
-
SNSG ELEM-OVHT, L WING LOOP B (50HF)
-
SNSG ELEM-OVHT, L WING LOOP B (49HF)
-
SNSG ELEM-OVHT, L WING LOOP B (83HF)
-CABLE-CONNECTING, L WING LOOP B (77HF)
-wiring
-duct
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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本文链接地址：A320 Trouble Shooting Manual 排故手册 PNEUMATIC(133)
