Briggs & Stratton VANGUARD M490000 Repair Manual page 114

9. Squeeze two tabs on quick disconnect fitting to
release fuel rail from fuel outlet port of fuel pump
module.
NOTE: Wrap shop towel around fitting to catch any
fuel leakage.
10. Install fuel pressure test adapter between fuel rail and
fuel pump module.
11. Remove protective cap from Schrader valve on fuel
pressure test adapter and install fuel pressure gauge.
12. Connect fuel pump module connector. Push in grey
secondary lock to secure.
13. Turn Ignition ON to pressurize fuel system.
14. Note the reading of the fuel pressure gauge. Fuel
pressure should remain steady at 38-43 psi (262-296
kPa).
15. Turn Ignition OFF.
16. Position the clear bleed tube in an approved
5
container and press the pressure relief button on
the gauge assembly to relieve fuel system pressure.
Fully depress and hold the pressure relief button until
pointer on the dial face is resting on the stop pin.
17. Remove fuel pressure gauge from Schrader valve on
fuel pressure test adapter.
NOTE: A small amount of gasoline may drain from
the Schrader valve when the gauge is removed. Wrap
a shop towel around the valve fitting to catch any fuel
leakage.
18. Install protective cap on Schrader valve.
19. Remove fuel pressure test adapter between fuel rail
and fuel pump module.
20. Firmly push quick disconnect fitting on fuel rail onto
fuel outlet port of fuel pump module. Gently tug on
fitting to verify that it is properly seated and secure.
21. Turn ignition switch ON for two seconds, and then
OFF for 10 seconds. Turn the ignition switch back to
ON and check for fuel leaks.
22. Install air cleaner assembly. See Air Cleaner
Assembly, Installation.
23. Install access cover. See Access Cover/Blower
Housing, Installation, steps 7-10.
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