TASK 49-00-00-810-898
 APU AUTO SHUT DOWN - NO ACCELERATION (Deceleration), Fuel System Fault (APS
 3200)
 1. Possible Causes
_______________
 - FUEL FLOW DIVIDER (8024KM)

 - FUEL CONTROL UNIT (8022KM)

 - SECONDARY FUEL NOZZLES

 - wiring

 - 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 49-31-42-000-003 Removal of the Main Fuel Nozzles and Manifold (APS 3200) AMM 49-31-42-400-005 Installation of the Main Fuel Nozzles and Manifold
 (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 49-32-12-000-002 Removal of the Flow Divider (8024KM) (APS 3200) AMM 49-32-12-400-002 Installation of the Flow Divider (8024KM) (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 49-61/02
 3. Fault Confirmation
__________________
 A. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-008).
 4. Fault Isolation
_______________
 A. Maintenance Action
 (1) If the APU Last Leg Report gives the maintenance message:
 FUEL CTL UNIT (8022KM) / FUEL FLOW DIVIDER (8024KM): Fault Code Number: 052
 NOTE : The APU SHUTDOWNS report gives the maintenance message:
____

 「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 243
 Config-2 Aug 01/05 CES NO ACCELERATION - FUEL CTL UNIT (8022KM) / FUEL FLOW DIVIDER (8024KM) APU Auto Shut Down Fault Code Number: 052

 - replace the FUEL FLOW DIVIDER (8024KM) (Ref. AMM TASK 49-32-12-000-002) and (Ref. AMM TASK 49-32-12-400-002).
 (a) If the fault continues:

 - replace the FUEL CONTROL UNIT (8022KM) (Ref. AMM TASK 49-32-11-000-002) and (Ref. AMM TASK 49-32-11-400-002).

 (b) If the fault continues:

 - replace the SECONDARY FUEL NOZZLES (Ref. AMM TASK 49-31-42-000-003) and (Ref. AMM TASK 49-31-42-400-005).

 (c) If the fault continues:

 - do a check and repair the wiring from the ECB (59KD) AB/F11, H10, H11, J3 to the FUEL CONTROL UNIT P19/1, 3, 4, 2 (Ref. ASM 49-61/02).

 (d) 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 49-00-00-810-899

 APU AUTO SHUT DOWN - NO FLAME (APS 3200)
 1. Possible Causes
_______________
 - ECB (59KD)

 - IGNITER PLUGS

 - wiring

 - IGNITION UNIT (8030KM)

 - ELECTRICAL LEADS

 - FUEL FLOW DIVIDER (8024KM)

 - PRIMARY FUEL NOZZLES

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM  49-00-00-710-008 
AMM  49-31-41-000-002 
AMM  49-31-41-400-002 
AMM  49-32-11-000-002 
AMM  49-32-11-400-002 
AMM  49-32-12-000-002 
AMM  49-32-12-400-002 
AMM  49-41-38-000-002 
AMM  49-41-38-400-002 
AMM  49-41-41-000-003 
AMM  49-41-41-400-002 
AMM  49-41-43-000-002 
AMM  49-41-43-400-002 
AMM  49-61-34-000-002 
AMM  49-61-34-400-002 
ASM  49-61/02

 3. Fault Confirmation
__________________
Operational Test of the APU (APS 3200)
Removal of the Pilot Fuel Nozzles and Manifold (APS
 3200)
Installation of the Pilot Fuel Nozzles and Manifold
 (APS 3200)
Removal of the Fuel Control Unit (8022KM) (APS 3200)
Installation of the Fuel Control Unit (8022KM) (APS
　
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