-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 ELEMENT-OVERHEAT SENSING (74HF), (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
-connect the connector between the sensing elements 74HF
and 47HF
-disconnect the connector between the sensing element
47HF and the cable 48HF
-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 (47HF) (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-CONNECTING LOOP B R WING (48HF) (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/5D
of the BMC1 (1HA1) and the cable 48HF
-connect all the cables or connector disconnected
1
-EFF : ALL
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--May 01/04R ---CES -
-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:
-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.
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.
1
-EFF : ALL
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Leak Detection from the Loop B on the Right Wing
1. Possible Causes
_______________
-BMC-2 (1HA2)
-
ELEMENT-OVERHEAT SENSING (76HF)
-
ELEMENT-OVERHEAT SENSING (75HF)
-
ELEMENT-OVERHEAT SENSING (79HF)
-
SNSG ELEM-OVHT, R WING LOOP B (72HF)
-
SNSG ELEM-OVHT, R WING LOOP B (71HF)
-
SNSG ELEM-OVHT, R WING LOOP B (70HF)
-
SNSG ELEM-OVHT, R WING LOOP B (69HF)
-
CABLE-CONNECTING, R WING LOOP B (68HF)
-
CABLE-CONNECTING, R WING LOOP B (67HF)
-
SNSG ELEM-OVHT, R WING LOOP B (66HF)
-
SNSG ELEM-OVHT, R WING LOOP B (65HF)
-
SNSG ELEM-OVHT, R WING LOOP B (82HF)
-CABLE-CONNECTING, R WING LOOP B (64HF)
-wiring
-duct
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
9240SI 1 LOOP CONTROLLER
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R AMM 36-11-00-720-004 Leak Check of Engine Bleed Air Supply System AMM 36-11-00-740-001 BITE Test of the BMC 1(2) AMM 36-11-34-000-001 Removal of the BMC (1HA1, 1HA2) AMM 36-11-34-400-001 Installation of the BMC (1HA1, 1HA2) AMM 36-22-00-790-001 Leak Check on all the Bleed Air Ducts AMM 36-22-16-000-001 Removal of the Overheat Sensing Elements
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本文链接地址：A320 Trouble Shooting Manual 排故手册 PNEUMATIC(141)
