Section 08 ENGINE MANAGEMENT (4-TEC)
Subsection 02 (COMPONENT INSPECTION AND ADJUSTMENT)
COMPONENT INSPECTION AND
ADJUSTMENT
GENERAL
Engine problems are not necessarily related to the
electronic fuel injection system.
It is important to ensure that the mechanical in-
tegrity of the engine/propulsion system is present:
– good jet pump/drive system operation
– good engine compression and properly operat-
ing mechanical components, no leaks etc.
– fuel pump connection and fuel lines without
leaks.
Check the chart in TROUBLESHOOTING section
to have an overview of problems and suggested
solutions.
When replacing a component, always check its
operation after installation.
Whenever watercraft is out of water and engine is
running, ensure to supply water through the con-
nector on jet pump support to cool down exhaust
system.
CAUTION:
Never run engine without supplying
water to the exhaust cooling system when wa-
tercraft is out of water.
FUEL SYSTEM
WARNING
The fuel system of a fuel injection system
holds much more pressure than on a car-
bureted watercraft. Prior to disconnecting
a hose or to removing a component from
the fuel system, follow the recommendation
described here. Note that some hoses may
have more than one clamp at their ends. En-
sure to reinstall the same quantity of clamps
at assembly.
Use the VCK (Vehicle Communication Kit) (P/N 529
035 981) to release the fuel pressure in the sys-
tem. Look in the
Activation
tab of the B.U.D.S.
software.
WARNING
Fuel lines remain under pressure at all times.
Always proceed with care and use appro-
priate safety equipment when working on
pressurized fuel system. Wear safety glass-
es. Do not allow fuel to spill on hot engine
parts and/or on electrical connectors. Pro-
ceed with care when removing/installing
high pressure test equipment or discon-
necting fuel line connections. Use the VCK
(Vehicle Communication Kit) to release fuel
pressure prior to removing a hose. Cover
the fuel line connection with an absorbent
shop rag. Slowly disconnect the fuel hose to
minimize spilling. Wipe off any fuel spillage
in the bilge. Fuel is flammable and explosive
under certain conditions.
Always work in
a well ventilated area. Always disconnect
battery prior to working on the fuel system.
After performing a pressure test, use the
valve on the fuel pressure gauge to release
the pressure (if so equipped).
Always disconnect battery properly prior to work-
ing on the fuel system. Refer to BATTERY sec-
tion.
When the job is done, ensure that hoses from fu-
el rail going to fuel pump are properly secured in
their supports. Then, pressurize the fuel system.
Perform the high pressure test as explained in this
section and pressurize the fuel tank and fuel lines
as explained in FUEL SYSTEM section.
Properly reconnect the battery.
WARNING
Ensure to verify fuel line connections for
damage and that NO fuel line is disconnect-
ed prior to installing the safety lanyard on
the DESS post. Always perform the high
pressure test if any component has been
removed. A pressure test must be done be-
fore connecting the safety lanyard. The fuel
pump is started each time the safety lanyard
is installed and it builds pressure very quick-
ly.
smr2004-Complete Line Up
403
www.SeaDooManuals.net
Содержание 2006 GTI
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