NOTE : Message does not appear in case of self-test of the ECB
____
- do check and repair the wiring from the ECB (59KD) AB/C2, D2 to the OIL TEMPERATURE SENSOR (8084KM) P25/1, 2 (Ref. ASM 49-61/02). The value must be: 106 Ohms at 15 degree C. (+/- 0.385 Ohms per degree C.).
- do check and repair the wiring from the ECB (59KD) AB/C3, C4 to the APU GENERATOR (8XS) P4/3, 4 (Ref. ASM 49-61/02). The value must be: 96 Ohms at 15 degree C. (+/- 0.385 Ohms per degree C.)
(1) If the fault continues:
- replace the OIL TEMPERATURE SENSOR (8084KM) (Ref. AMM TASK 49-91-51-000-002) and (Ref. AMM TASK 49-91-51-400-002).
(a) If the fault continues:
- replace the GEN-APU (8XS) (Ref. AMM TASK 24-23-51-000-001) and (Ref. AMM TASK 24-23-51-400-001).
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 49-00-00-810-893
APU AUTO SHUT DOWN - OVERSPEED, Fuel Control Unit or ECB Fault (APS 3200)
1. Possible Causes
_______________
- FUEL CONTROL UNIT (8022KM)
- ECB (59KD)
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 49-61-34-000-002 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)
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:
FUEL CTL UNIT (8022KM)
Fault Code Number: 068
NOTE : The APU SHUTDOWNS report gives the maintenance message:
____
OVERSPEED - FUEL CTL UNIT (8022KM)
APU Auto Shut Down Fault Code Number: 068
- replace the FUEL CONTROL 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.
「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, ∞∞49-00-00∞∞∞∞∞∞∞∞∞∞Page 230
Config-2 Aug 01/05 CES TASK 49-00-00-810-894
APU AUTO SHUT DOWN - OVERTEMPERATURE, Fuel Control Unit Fault (APS 3200)
1. Possible Causes
_______________
- damage and/or unwanted material in the air intake system and/or on the engine air-intake screen
- damage and/or unwanted material in the exhaust system and/or on the 2nd stage turbine trailing edges
- FUEL CONTROL UNIT (8022KM)
- ECB (59KD)
- AUXILIARY POWER UNIT (4005KM)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 49-00-00-710-008 Operational Test of the APU (APS 3200)
AMM 49-11-11-000-003 Removal of the Power Plant (APU) (APS 3200)
AMM 49-11-11-400-003 Installation of the Power Plant (APU) (APS 3200)
AMM 49-16-00-210-002 Detailed Inspection of APU Air Intake, Diffuser
Elbow, Seals and Felt Metal (APS 3200) AMM 49-20-00-290-001 APU Power Plant Borescope Inspection (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 49-61-34-000-002 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)
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