Evinrude E-Tec 40 HP, Service Manual

Page: 148 / 426

146
FUEL SYSTEM
FUEL COMPONENT SERVICING
Fuel Injector Service
Mark fuel injectors to show cylinder locations.
Fuel injectors must be installed in
the correct cylinder locations. Use Evinrude
Diagnostics Software to make sure that EMM
programming matches injector positioning.
The
Injector Coefficients screen displays
injector serial numbers for each cylinder.
Use caution when handling fuel injectors. Prevent
dirt and debris from entering fuel inlet and outlet
ports of injectors or fue l manifo lds. Cover the
injector no zzle port in cylinder head to prevent
contamination of combustion chamber.
Removal
Disconnect the battery cables at the battery.
Relieve fuel system pressure. Refer to
Relieving
Fuel System Pressure
on p. 142.
Remove fuel manifold s. Refer to
Fuel Manifold
Service
on p. 145.
Remove the ignition coil assemblies.
Disconnect the fuel injector electrical connector.
Remove injector screws.
Remove fuel injector and insulator.
Crush Ring Replacement
Injector crush rings must be
replaced if injector is installed in a different
head or cylinder location.
Use Slide Ha mmer assembly, P/N 39100 8, with
Slide Hammer Adaptor kit, P/N 390898, to remove
injector from mounting cup.
Thread adaptor and stud into face of injector. Hold
mounting cup securely. Use slide hammer to sep-
arate injector from mount housing.
Remove adaptor from injector. Remove crush ring
and O-rings from injector. Inspect and clean injec-
Injector Coefficients Screen
008568
NOTICE
1. Injector screws
006561
002345
1
NOTICE