46
３.Float
４.O-ring
５.Oil filter cup
Disassembly and inspection of electric fuel pump
Disassembly of electric fuel pump
1. Loosen the oil drain screw of the oil cup and drain the fuel in the oil cup into a suitable
container.
2. Remove the fuel pipe and cooling water line and disconnect the wiring harness.
3. Remove the mounting screws of the electric fuel pump and remove the electric fuel
pump from the engine.
4. Disconnect the pipeline connection between the fuel cooler and the electric fuel pump
and remove the fuel cooler.
5. Remove 5 cross recessed pan head screws (M4×16) and the electric fuel pump body
assembly.
6. Pull off the oil pump assembly and disconnect the oil pump joint assembly;
7. Check and clean the oil pump filter screen on the oil pump assembly;
8. Check the rubber sleeve at the oil pump outlet, and replace it if it is aged, damaged or
cracked;
9. Loosen the screw for fixing the float pin and remove the float;
10. Remove the baffle; (if necessary)
11. Check and clean the oil cup assembly of electric fuel pump;
12. Loosen the fixing screw of the pressure valve pressure plate and remove the pressure
regulating valve;
13. Check the O-ring of pressure regulating valve; Replace it if necessary;
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