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Fuel System
Maintenance
Note: Refer to Adding Fuel for proper fuel
recommendations.
DANGER
Under certain conditions, diesel fuel and fuel
vapors are highly flammable and explosive. A fire
or explosion from fuel can burn you and others and
can cause property damage.
• Use a funnel and fill the fuel tank outdoors, in
an open area, when the engine is off and is cold.
Wipe up any fuel that spills.
• Do not fill the fuel tank completely full. Add fuel
to the fuel tank until the level is to the bottom
of the filler neck.
• Never smoke when handling fuel, and stay away
from an open flame or where fuel fumes may be
ignited by a spark.
• Store fuel in a clean, safety-approved container
and keep the cap in place.
Servicing the Water Separator
Service Interval: Every 400 hours
Drain water or other contaminants from water separator
(Figure 62) daily. Replace filter canister after every 400 hours
of operation.
1. Place a clean container under the fuel filter.
2. Loosen the drain plug on the bottom of the filter
canister.
Figure 62
1. Water separator filter canister
3. Clean the area where the filter canister mounts.
4. Remove the filter canister and clean the mounting
surface.
5. Lubricate the gasket on the filter canister with clean oil.
6. Install the filter canister by hand until the gasket
contacts mounting surface, then rotate it an additional
1/2 turn.
7. Tighten the drain plug on the bottom of the filter
canister.
Cleaning the Fuel Tank
Service Interval: Every 2 years
Note: Also, drain and clean the tank if the fuel system
becomes contaminated or if the machine is to be stored for
an extended period.
Use clean diesel fuel to flush out the tank.
Fuel Lines and Connections
Service Interval: Every 400 hours/Yearly (whichever comes
first)
Inspect the fuel lines for deterioration, damage, chaffing, or
loose connections.
Bleeding the Fuel System
1. Park the machine on a level surface. Ensure that the
fuel tank is at least half full.
2. Unlatch and raise the hood.
3. Place a rag under the air bleed screw on the fuel
injection pump and open it (Figure 63).
1. Fuel injection pump bleed screw
4. Turn the key in the ignition switch to the Run position.
The electric fuel pump will begin operation, thereby
forcing air out around the air bleed screw.
35
Figure 63
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