Fuel Rail; Fuel Rail Removal - Mercury 15 EFI FourStroke Service Manual
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- Installation, operation & maintenance manual (140 pages)
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Service Procedures
•
Refer to Section 8A ‑ Recoil Starter and Air Box Installation.
f
e
Fuel Rail
Fuel Rail Removal
Performing service or maintenance without first disconnecting the battery can cause product damage, personal injury, or
death due to fire, explosion, electrical shock, or unexpected engine starting. Always disconnect the battery cables from the
battery before maintaining, servicing, installing, or removing engine or drive components.
Fuel is flammable and explosive. Ensure that the key switch is off and the lanyard is positioned so that the engine cannot
start. Do not smoke or allow sources of spark or open flame in the area while servicing. Keep the work area well ventilated
and avoid prolonged exposure to vapors. Always check for leaks before attempting to start the engine, and wipe up any
spilled fuel immediately.
Failure to release pressure from the fuel system will result in fuel spraying out, which can cause a fire or explosion. Allow the
engine to cool completely and release all fuel pressure before servicing any part of the fuel system. Always protect eyes and
skin from pressurized fuel and vapors.
1.
For electric start models, disconnect the battery cables from the battery. Always disconnect the negative battery cable first,
and then the positive.
2.
Install a fuel pressure gauge to the fuel rail service port and release the fuel into an appropriate container.
3.
Disconnect the fuel injector harness connectors from the two fuel injectors.
4.
Remove the two screws securing the fuel rail to the intake manifold. Do not lose the clamp securing the fuel rail to the
intake manifold.
5.
Pull the fuel rail assembly off the intake manifold.
6.
Remove the Oetiker® clamp securing the fuel hose to the fuel rail inlet tube.
Page 3C-20
a
WARNING
!
WARNING
!
!
© 2018 Mercury Marine
b
c
d
63035
CAUTION
a -
Air box
b -
Recoil starter assembly
c -
IAC valve harness connector
d -
Throttle link
e -
TPS harness connector
62834
90-8M0125265 eng NOVEMBER 2017
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