Fuel System High Pressure Leak Test - Sea-doo RXT iS 255 2009 Shop Manual

Section 04 FUEL SYSTEM
Subsection 03 (FUEL TANK AND FUEL PUMP)
FUEL SYSTEM HIGH PRESSURE
LEAK TEST
WARNING
A high pressure leak test must be carried
out before starting the engine anytime a fuel
system component has been disconnected
for maintenance, or replacement.
Visually inspect fuel system to ensure all fuel sys-
tem connections are installed.
Lightly pull on hoses at each connection to ensure
they are properly locked at the quick connect fit-
tings.
Remove D.E.S.S. key from its post to prevent en-
gine starting.
Press the START button to turn on the fuel pump
for a few seconds and pressurize the fuel system.
Check for fuel odor and visually inspect hoses, fit-
tings and components for leaking fuel.
If a leak is detected, repair or replace the leaking
component and repeat leak test after the repair.
If no leak is found, engine can be started.
FUEL PUMP PRESSURE TEST
Preparation
Before proceeding, ensure the battery is fully
charged.
The pressure test will show the available pressure
at the fuel pump outlet. It validates the pressure
regulator, the fuel pump and tests for leaks in the
system.
Release fuel pressure. Refer to
this subsection.
Open front storage compartment cover.
Remove the storage basket.
Remove front ventilation box.
262
smr2009-031-008_a
1. Ventilation box
Ensure hoses and fittings are not leaking. Repair
any leak.
Ensure there is enough gas in fuel tank.
The fuel hose may be under pressure. Cover
the fuel line connection with an absorbent
shop rag. Slowly disconnect the fuel hose to
release any residual pressure. Wipe off any
fuel spillage inside bilge.
Disconnect the pressure outlet hose from the fuel
pump.
FUEL PUMP in
smr2009-031-017_a
1. Outlet hose
Install the
and the
between disconnected hose and fuel pump fitting
(inline installation).
WARNING
PRESSURE GAUGE (P/N 529 035 709)
FUEL HOSE ADAPTER (P/N 529 036 023)
smr2009-031