7 MAINTENANCE AND LUBRICATION
en-85
7.10 FUEL SYSTEM ____________________________________________________________
Use Diesel to B.S. EN590 or ASTM D975 (Ultra Low Sulfur)
Water Separator
If the water is not removed from the fuel, damage to the fuel-injection system can
occur. When the fuel filter light on the filter light module is illuminated or at service
interval, drain the water from the water separator.
a
Stop the engine. Open the air vent at the top of water separator.
b
Open the drain valve at the bottom of the water separator and drain
the water. Water will drain before the fuel. When fuel drains from the
valve, close the valve.
c
Close the vent at the top of the water separator.
Fuel Filter
Replace the fuel filter
a
Stop the engine.
b
Open the air valve at the top of the filter to release system pressure.
c
Remove fuel filter cartridge. Clean any fuel that spills.
d
Assemble new filter cartridge to the filter base. Tighten the cartridge
with your hand.
e
Bleed air from the fuel system.
How To Bleed The Air From The Fuel System
After water is drained from the fuel system, fuel filter cartridge is replaced or the fuel hoses are replaced, bleed the air
from the fuel system.
a
Open the air vent at the top of the water separator.
b
Press and release the hand pump until air bubbles at separator air vent stop and fuel starts to spill. Close
the vent. Clean any fuel that spills.
c
Open the air vent on the fuel filter. Turn the ignition switch to the RUN position, but do not start the engine.
Operate the fuel pump until air bubbles at filter vent stop and fuel starts to spill. Close the air vent. Clean
any fuel that spills.
d
Start the engine. The engine will remove any air remaining in the fuel hoses.
CAUTION
The Diesel Fuel Can Damage Your Skin. Use Gloves When You Use Diesel Fuel. If Diesel Fuel
Touches Your Skin, Clean The Area Immediately.
CAUTION
Discard Diesel Fuel As Shown In Local Safety Regulations
5
5
2
4
6
3
1
1.
Water Separator
2.
Hand Pump
3.
Drain Valve
4.
Fuel Filter
5.
Air Vent (2)
6.
Fuel Pump
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