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Fuel System
Maintenance
Servicing the Fuel System
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 1 inch
(25 mm) below the bottom of the filler neck.
This empty space in the tank allows the fuel
to expand.
• 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.
Fuel Tank
Service Interval: Every 800 hours
Drain and clean the fuel tank every 800 hours. Also,
drain and clean the tank if fuel system becomes
contaminated or if the machine will be stored for an
extended period of time. Use clean fuel to flush out
the tank.
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, or loose connections.
Servicing the Water Separator
Service Interval: Every 400 hours
Drain water or other contaminants from water separator
(Figure 52) 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.
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.
Bleeding Air from the Injectors
1. Loosen the tube connection to the Number 1
injector nozzle and holder assembly at the injection
pump (Figure 53).
1. Number 1 injector nozzle
2. Move the throttle to the Fast position.
3. Turn the key in the ignition switch to the Start
position and watch the fuel flow around the
39
Figure 52
Figure 53
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