TROUBLESHOOT LOW PRESSURE BOOSTER PUMP PADA PESAWAT CN-235-220

NUR RAHMAT, DIMAS (2020) TROUBLESHOOT LOW PRESSURE BOOSTER PUMP PADA PESAWAT CN-235-220. Tugas Akhir thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Booster pump is one component of an aircraft fuel system. Booster pumps are often called auxiliary fuel pumps. The main function of the booster pump is to supply fuel at the start of the engine, to move fuel from the auxiliary tank to the main tank, croosfeeding or move fuel to maintain the balance of the aircraft, as a backup system or help pressure fuel if there is a malfunction of the Engine Driven pump (EDP). Booster pump was found to be malfunctioning, which was found to be an indication of low pressure from the booster pump. This is known from the cookpit found the jet pump is on when the engine starts. This is an indication of the low pressure of the booster pump. After checking, it is found that the cause is the clogging of impurities in the booster pump. And rips on the booster pump filter. To overcome this, replacement and renewal of filter types and repair using a cleaning method using an ultrasonic cleaner are carried out. Aim so that the clogging dirt can be released with frequency vibrations. Then it is assisted with nitrogen pressure so that the dirt can be blown out but it also aims to minimize damage during the repair process. After the cleaning process is then carried out pressure testing to determine the performance condition of the booster pump whether it can work normally or has exceeded the limit of limitation. After repairing, testing and making sure the booster pump can work normally, it can be stated that the booster pump is serviceable.

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