TP-5594 5/95 Installation 6-17
Fuel System
Explosive fuel vapors.
Can cause severe injury or death.
Useextreme carewhenhandling,storing,
and using fuels.
WARNING
Explosive fuel vapors can cause severe injury or
death. All fuels are highly explosive in a vapor state.
Use extreme care when handling and storing fuels.
Store fuel in a well-ventilated area away from
spark-producing equipment and out of the reach of
children. Never add fuel to the tank while the engine is
running since spilled fuel may ignite on contact with hot
parts or from ignition spark. Do not smoke or permit
flame or sparkto occurnear potential sources of spilled
fuelorfuel vapors. Keepfuellinesandconnectionstight
and in good condition. Do not replace flexible fuel lines
with rigid lines. Flexible sections are used to avoid
breakage due to vibration. If any fuel leakage, fuel
accumulation, or electrical sparks are noted, DO NOT
OPERATE GENERATOR SET. Repair systems before
resuming generator set operation
Explosive fuel vapors can cause severe injury or
death. Spilled fuel can cause an explosion. Use a
container to catch fuel whendraining fuelsystem. Wipe
up all spilled fuel after draining system.
The diesel fuel system for the generator set must be
designedtooperate independently of the system forthe
vehicle engine if both engines are to be operated at the
same time. The best way to do this is to have separate
fuel tanks; however, this is usually impractical because
ofspace restrictions. Inmostinstallations, both engines
operate off a common tank with a separate dip tube
arrangement as shown in Figure 6-18. This prevents
the smaller engine from being starved of fuel by the
larger engine. The generator set dip tube is generally
shorter than the vehicle dip tube. With this
arrangement, fuel may notbe available to thegenerator
set when fuel supply is low.
A simple tee fittingis sometimes used toprovide fuel for
both engines off a common tank; however, this usually
prohibits simultaneous operation. There is also the
possibility that operation of either engine could
completely drain the fuel line of the other engine, thus
makingstartingdifficult ifnotimpossible. Donotusethe
tee arrangement.
Keep Fuel Line
Away From Exhaust
Fuel Line to
Generator Set
Fuel Line to
Vehicle Engine
Figure 6-18. Two Dip Tubes in Fuel Tank
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