Parsun F115 - Check the Fuel Filter; Remove and Check the Fuel Injector

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2. Remove the fuel pump.
3. Connect a vacuum manometer to the fuel pump inlet.
4. Plug the outlet of the oil pump and apply the specified positive pressure. Check for air
leakage.
Specified pressure: 50kPa
5. Apply a specified negative pressure. Check for air leakage.
Specified pressure: 30kPa
6. Connect a vacuum manometer to the fuel pump outlet.
7. Apply a specified negative pressure. Check for air leakage. If necessary, disassemble the oil
pump and check it.
Specified pressure: 50kPa
8. Remove the 4 bolts and separate the fuel pump cover and from the fuel pump seat.
Check the fuel filter
1. Remove the fuel filter from the fuel line.
2. Connect a vacuum manometer to the fuel filter.
3. Plug the outlet of the fuel filter and apply the specified positive pressure. Check for air
leakage.
Specified pressure: 200kPa
Remove and check the fuel injector
1. Reduce fuel pressure
2. Wrap a rag around the quick connector to prevent fuel spraying.
3. Remove the quick connector from the common rail.
Note:
Cover the quick connector and fuel rail with a plastic bag to prevent damage and protect them
from dust.
4. Disconnect the joint of the fuel injector.