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Shola

APU LOAD CONTROL VALVE NOT WORKING AND APU NOT SHUTTING DOWN

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GTCP85-180L starts and run well. However,  no bleed air from  the APU. Load control valve replaced with new one but no change. In addition,  APU doesn't shut down normally unless by the pull of fire handle. Any help please?

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17 hours ago, Shola said:

GTCP85-180L starts and run well. However,  no bleed air from  the APU. Load control valve replaced with new one but no change. In addition,  APU doesn't shut down normally unless by the pull of fire handle. Any help please?

Aircraft type is C130H. 

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On 7/7/2019 at 12:30 PM, Shola said:

GTCP85-180L starts and run well. However,  no bleed air from  the APU. Load control valve replaced with new one but no change. In addition,  APU doesn't shut down normally unless by the pull of fire handle. Any help please?

Hi !

Did you checked the Overspeed Solenoide, Valve?

Did you preformed the continuity checks on both electrical plugs (on Load Valve and Solenoid Valve)?

The Filter Between the Load Valve and the Solenoid Valve is clean and Tightened?

Just some questions and some leads!

Kindest Regards!!

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Has three speed switch been changed? The 95% arms the bleed air ( does the on speed light illuminate?) and the 110%switch shuts down the APU.

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