-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

-∞∞36-22-00∞∞∞∞∞∞∞∞∞∞Page 276
 --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

-∞∞36-22-00∞∞∞∞∞∞∞∞∞∞Page 277
 --May 01/04R ---CES -

 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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