R b_ If the impedance is more than 3 KOhms:
R - replace the CABLE ASSY (20HF) (Ref. AMM TASK 36-22-17-R 000-001) and (Ref. AMM TASK 36-22-17-400-001)
R - connect all the cables or connectors disconnected

 1 R -EFF : 301-399,

-∞∞36-22-00∞∞∞∞∞∞∞∞∞∞Page 250
 --May 01/04 ---CES -

R  - do an impedance check on the LOOP CONTROLLER (9240SI). 
R 
R  * If the impedance is less than 3 KOhms: 
R  - do a check and repair the wiring between the pin 8B of 
R  the BMC1 connector (1HA1-AA) and the cable 20HF 
R  - connect all the cables or connector disconnected 
R  - disconnect the LOOP CONTROLLER (9240SI) from the BMC1 
R  connector 
R  - install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-
R  001) 
R  - refer to Para. 4.B. 
R 
R  * If the impedance is more than 3 KOhms: 
R  - disconnect the LOOP CONTROLLER (9240SI) from the BMC1 
R  connector 
R  - install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-
R  001) 
R  - refer to Para. 4.B. 
R  **ON A/C ALL
 B. After the subsequent flight, make sure that the fault does not continue.

 1 -EFF : ALL

-∞∞36-22-00∞∞∞∞∞∞∞∞∞∞Page 251
 --May 01/04 ---CES - Leak Detection from the Loop A in the Left Wing

 1. Possible Causes
_______________
 -BMC-1 (1HA1)
 -CABLE-CONNECTING, L WING LOOP A (21HF)
 -
SNSG ELEM-OVHT, L WING LOOP A (81HF)

 -
SNSG ELEM-OVHT, L WING LOOP A (22HF)

 -
SNSG ELEM-OVHT, L WING LOOP A (23HF)

 -
CABLE-CONNECTING, L WING LOOP A (24HF)

 -
CABLE-CONNECTING, L WING LOOP A (25HF)

 -
SNSG ELEM-OVHT, L WING LOOP A (26HF)

 -
SNSG ELEM-OVHT, L WING LOOP A (27HF)

 -
SNSG ELEM-OVHT, L WING LOOP A (28HF)

 -
SNSG ELEM-OVHT, L WING LOOP A (29HF)

 -ELEMENT-OVERHEAT SENSING (73HF)
 -OVHT SENS ELEMENT (31HF)
 -OVERHEAT SENSING ELEM (32HF)
 -
OVHT SENS ELEMENT (33HF)

 -
OVHT SENS ELEMENT (34HF)

 -
OVHT SENS ELEMENT (35HF)

 -
OVHT SENS ELEMENT (36HF)

 -CABLE ASSY (30HF)
 -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
 29HF(45HF),56HF(72HF),81HF(80HF),83HF (82HF)
 AMM 36-22-16-000-002 Removal of the Cables 21HF(37HF),77HF(64HF)

 1 -EFF : ALL

-∞∞36-22-00∞∞∞∞∞∞∞∞∞∞Page 252
 --Aug 01/05 ---CES - -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------

AMM  36-22-16-000-003 
AMM  36-22-16-000-004 
AMM  36-22-16-000-005 
AMM  36-22-16-000-006 
AMM  36-22-16-000-007 
AMM  36-22-16-400-001 
AMM  36-22-16-400-002 
AMM  36-22-16-400-003 
AMM  36-22-16-400-004 
AMM  36-22-16-400-005 
AMM  36-22-16-400-007 
AMM  36-22-16-400-008 
AMM  36-22-18-000-001 
AMM  36-22-18-400-001 
ASM  36-22/01

 3. Fault Confirmation
__________________
 A. Test
Removal of the Cables 24HF(40HF),51HF(67HF)
Removal of the Overheat Sensing Elements
 26HF(42HF),53HF(69HF)
　
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