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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 46) 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 46
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
Drain and clean fuel tank every 2 years. Also, remove
and clean the in-line strainers after draining the tank.
Use clean diesel fuel to flush out the tank.
Important: Drain and clean the tank if the fuel
system becomes contaminated or if the machine is
to be stored for an extended period.
Fuel Lines and Connections
Service Interval: Every 400 hours
Check the fuel lines and connections every 400 hours
or yearly, whichever comes first. Inspect them 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 47).
1. Fuel injection pump bleed screw
4. Turn the key in the ignition switch to the On
position.
42
Figure 47
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