Fuel Pump (Transfer) Inspection

1. Remove the fuel pump (transfer)
2. Verify that air flows through the fuel pump from ports A and B to C.
3. Clean any clogs with compressed air.
4. Block ports B and C, and apply pressure of over 167 kPa {1.70 kgf/sq. cm, 24.2 psi} to port A and verify that air comes out from port D.
5. If not as specified, replace the fuel pump (transfer).