a If the impedance is less than 3 KOhms:
_
-disconnect the connector between the sensing elements 75HF and the cable 76HF
-do a check of the impedance read on the LOOP CONTROLLER (9240SI).
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. if the impedance is less than 3 KOhms:
-replace the ELEMENT-OVERHEAT SENSING (76HF) (Ref. AMM TASK 36-22-18-000-001) and (Ref. AMM TASK 36-22-18-400-001)
-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 BMC2 (1HA2) and the cable 76HF
-connect all the cables or connectors disconnected
-disconnect the LOOP CONTROLLER (9240SI) from the BMC2 connector
-install the BMC2 (1HA2) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
* if the impedance is more than 3 KOhms:
-connect all the cables or connectors disconnected
-disconnect the LOOP CONTROLLER (9240SI) from the BMC2 connector
-install the BMC2 (1HA2) (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 75HF and 79HF
-connect the connector between the sensing element 75HF and the cable 76HF
-do a check of the impedance read on the LOOP CONTROLLER (9240SI)
* if the impedance is less than 3 KOhms:
-replace the ELEMENT-OVERHEAT SENSING (75HF) (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 BMC2 connector
-install the BMC2 (1HA2) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
* if the impedance is more than 3 KOhms:
-replace the ELEMENT-OVERHEAT SENSING (79HF) (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 BMC2 connector
-install the BMC2 (1HA2) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
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2
_
_
-disconnect the connector between the sensing element 72HF
and 71HF
-connect the connector between the sensing elements 79HF and 72HF
-do a check of the impedance read on the LOOP CONTROLLER (9240SI). . if the impedance is less than 3 KOhms:
-replace the SNSG ELEM-OVHT, R WING LOOP B (72HF) (Ref. AMM TASK 36-22-16-000-001) and (Ref. AMM TASK 36-22-16-400-001)
-connect all the cables or connectors disconnected
-disconnect the LOOP CONTROLLER (9240SI) from the BMC2 connector
-install the BMC2 (1HA2) (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 71HF and 70HF
-connect the connector between the sensing elements 72HF and 71HF
-do a check of the impedance read on the LOOP CONTROLLER (9240SI)
* if the impedance is less than 3 KOhms:
-replace the SNSG ELEM-OVHT, R WING LOOP B (71HF) (Ref. AMM TASK 36-22-16-000-006) and (Ref. AMM TASK 36-22-16-400-007)
-connect all the cables or connectors disconnected
-disconnect the LOOP CONTROLLER (9240SI) from the BMC2 connector
-install the BMC2 (1HA2) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
* if the impedance is more than 3 KOhms:
-replace the SNSG ELEM-OVHT, R WING LOOP B (70HF) (Ref. AMM TASK 36-22-16-000-005) and (Ref. AMM TASK 36-22-16-400-005)
-connect all the cables or connectors disconnected
-disconnect the LOOP CONTROLLER (9240SI) from the BMC2 connector.
-install the BMC2 (1HA2) (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 cables 67HF and 66HF
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本文鏈接地址：A320 Trouble Shooting Manual 排故手冊 PNEUMATIC(143)
