-∞∞36-22-00∞∞∞∞∞∞∞∞∞∞Page 267
--May 01/04R ---CES -
b
_
If the impedance is more than 3 KOhms:
-disconnect the connector between the sensing elements 49HF and 83HF
-connect the connector between the cables 52HF and 51HF
-do a check of the impedance read on the LOOP CONTROLLER (9240SI). . if the impedance is less than 3 KOhms:
-disconnect the connector between the cable 51HF and the
sensing element 50HF
-do a check of the impedance read on the LOOP CONTROLLER
(9240SI).
* if the impedance is less than 3 KOhms:
-replace the CABLE-CONNECTING, L WING LOOP B (51HF)
(Ref. AMM TASK 36-22-16-000-003) and (Ref. AMM TASK 36-22-16-400-003)
-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
50HF and 49HF
-connect the connector between the cable 51HF and the
sensing element 50HF
-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, L WING LOOP B (50HF) (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:
-replace the SNSG ELEM-OVHT, L WING LOOP B (49HF) (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:
-disconnect the connector between the sensing element 83HF and the cable 77HF
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-∞∞36-22-00∞∞∞∞∞∞∞∞∞∞Page 268
--May 01/04R ---CES -
-connect the connector between the sensing elements 49HF
and 83HF
-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, L WING LOOP B (83HF) (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:
-replace the CABLE-CONNECTING, L WING LOOP B (77HF)
(Ref. AMM TASK 36-22-16-000-002) and (Ref. AMM TASK 36-22-16-400-002)
-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/4D
of the BMC2 (1HA2) and the cable 77HF
-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 LOOP CONTROLLER (9240SI) from the BMC2
connector
-install the BMC2 (1HA2) (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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