9 MAINTENANCE
en-57
9.7
FUEL SYSTEM ____________________________________________________________
Diesel Fuel Filter
Replace the fuel filter every 400 hours.
a
Stop the engine.
b
Close the valve on the filter. Loosen the bleeder screw to release
system pressure.
c
Remove the ring nut and the bowl from the fuel filter. Clean any fuel
that spills. Remove the filter element.
d
Assemble new filter element, bowl and ring nut to the filter base.
Tighten the ring nut with your hand.
e
Open the filter valve.
f
Bleed air from the fuel system.
Gasoline Fuel Filter
Replace the fuel filter every 400 hours
a
Stop the engine. Wait for a few minutes for the fuel system pressure to release.
b
Remove the hose clamps and hoses from both ends of the filter.
c
Assemble hoses and clamps to new filter. Clean up any fuel that spilled.
d
Turn the key to the run position and wait for 20 seconds. Start the engine.
How To Bleed The Air From The Diesel Fuel System
After the fuel filter element is replaced or the fuel hoses are replaced, bleed the air from the fuel system.
a
Open the bleeder valve on the fuel filter.
b
Turn the ignition switch to the RUN position to operate the fuel pump, but do not start the engine. When the
bubbles stop, close the fuel filter bleeder valve.
c
Open the bleeder valve on the engine injection pump. When the bubbles stop, close the bleeder valve. Turn the
key to the OFF position and clean any fuel that flowed from the bleeder valves.
d
Attempt to start the engine in 10 second intervals until the engine starts. The engine will remove any air
remaining in the fuel system.
CAUTION
The Diesel or Gasoline fuel can damage your skin. Use gloves when you use fuel. If the fuel touches your skin,
clean the area immediately.
Do not disconnect fuel hoses, tubes or open plugs on the engine high-pressure fuel system.
Discard used fuel as shown in local regulations.
Element
Open
Bowl
Ring
Nut
Closed
Bleeder
Screw
Diesel
Engine
Filter
Gasoline
Engine
Filter
!