3. Fault Confirmation

__________________
 A. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-008).
 4. Fault Isolation
_______________
 A. If the APU Last Leg Report gives the maintenance message:
 FLOW DIVIDER (8024KM):
 Fault Code Number: 053
 NOTE : The APU SHUTDOWNS report gives the maintenance message:

____
 NO ACCELERATION - FLOW DIVIDER (8024KM)
 APU Auto Shut Down Fault Code Number: 053

 - replace the FLOW DIVIDER (8024KM) (Ref. AMM TASK 49-32-12-000-002) and (Ref. AMM TASK 49-32-12-400-002).
 B. Do the test given in para. 3.

 TASK 49-00-81-810-877

 Bleed Ctl Valve (8051KM) / Fuel Ctl Unit (8022KM) Failure (APS 3200)
 1. Possible Causes
_______________

 - aircraft wiring

 - ECB (59KD)

 - BLEED CTL VALVE (8051KM)

 - FUEL CTL UNIT (8022KM)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 49-00-00-710-008 Operational Test of the APU (APS 3200)
 AMM 49-32-11-000-002 Removal of the Fuel Control Unit (8022KM) (APS 3200)
 AMM 49-32-11-400-002 Installation of the Fuel Control Unit (8022KM) (APS

 3200) AMM 49-51-53-000-001 Removal of the Bleed Control Valve (8051KM) (APS 3200) AMM 49-51-53-400-001 Installation of the Bleed Control Valve (8051KM) (APS 3200) AMM 49-61-34-000-002 Removal of the Electronic Control Box (ECB) (59KD) (APS 3200) AMM 49-61-34-400-002 Installation of the Electronic Control Box (ECB) (59KD) (APS 3200) ASM 49-61/01
 3. Fault Confirmation
__________________
 A. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-008).
 4. Fault Isolation
_______________
 A. If the APU Last Leg Report gives the maintenance message:
 BLEED CTL VLV (8051KM)/FUEL CTL UNIT (8022KM):
 Fault Code Number: 174

 - do a check and repair the aircraft wiring between the ECB (59KD) and the BLEED CTL VALVE (8051KM)
 - AB-D7 and P33 PIN 5

 - AB-J5 and P33 PIN 6

 - AB-H3 and P33 PIN 3

 - AB-F10 and P33 PIN 4
 (Ref. ASM 49-61/01).

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-106, 108-149, 211-299, 301-399, ∞∞49-00-81∞∞∞∞∞∞∞∞∞∞Page 203
 Config-2 Aug 01/05 CES

 (1) If the fault continues:
 - replace the BLEED CTL VALVE (8051KM) (Ref. AMM TASK 49-51-53-000-001) and (Ref. AMM TASK 49-51-53-400-001).
 (a) If the fault continues:
 - replace the FUEL CTL UNIT (8022KM) (Ref. AMM TASK 49-32-11-000-002) and (Ref. AMM TASK 49-32-11-400-002).
 1 If the fault continues:
_
 - replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-002) and (Ref. AMM TASK 49-61-34-400-002).
 B. Do the test given in para. 3.

 TASK 49-00-81-810-878

 Bleed Valve Open Indication (APS 3200)
 1. Possible Causes
_______________
 - ECB (59KD)

 - aircraft wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 49-00-00-710-008 Operational Test of the APU (APS 3200) AMM 49-61-34-000-002 Removal of the Electronic Control Box (ECB) (59KD) (APS 3200) AMM 49-61-34-400-002 Installation of the Electronic Control Box (ECB) (59KD) (APS 3200) ASM 49-61/01
 3. Fault Confirmation
__________________
 A. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-008).
 4. Fault Isolation
_______________
 A. If the APU Last Leg Report gives the maintenance message:
 WRG: ECB PIN AB-H8:
 Fault Code Number: 022

 - check and repair the aircraft wiring between the ECB AB-H8 and the Zone Controler for a short circuit (Ref. ASM 49-61/01).
 (1) replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-002) and (Ref. AMM TASK 49-61-34-400-002).
 B. Do the test given in para. 3.

 TASK 49-00-81-810-879

 APU AUTO SHUT DOWN - LOSS OF DC POWER, Low ECB Voltage (APS 3200)
 1. Possible Causes
_______________
 - wiring

 - COOLING FAN/PMG ASSY (8053KM)
　
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