Parsun F40 EFI, Maintenance Manual

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Release the fuel pressure in the fuel line
Before the maintenance and inspection of the fuel system, please release the fuel pressure
in the fuel line; Avoid accidents caused by high-pressure fuel injection during maintenance.
1. Connect the pressure gauge with the pressure relief pipe to the oil pump detection valve
of the electric fuel pump;
1. Oil pump detection valve
2. Insert the pressure relief pipe into a suitable container;
Note:
Do not release the pressure directly, The fuel will be discharged while pressure is
released,
Fuel spraying may cause accidents and violate local emission
regulations.
3. Press the pressure relief button to release the pressure until the pressure in the electric
fuel pump is balanced with the outside world.
Removal and inspection of fuel joint
1. Remove the bolts securing the fuel joint.
2. Remove the fuel joint.