TP-6277 10/0342 Installation
6.4 Fuel Systems
Explosive fuel vapors.
Can cause severe injury or death.
Use extreme care when handling,
storing, and using fuels.
WARNING
Installing the fuel system. Explosive fuel vapors can
cause severe injury or death. Fuel leakage can cause an
explosion. Do not modify the t ank or the propulsion engine fuel
system. Equip the craft with a tank that allows one of the two
pickup arrangements described in the installation section. The
tank and installation must conform to USCG Regulations.
Note: Fuel systems must c onform to USCG
Regulations and tests.
6.4.1 Fuel Tank
Most marine generator sets draw fuel from the same fuel
supply tank as the propulsion engines. If the tank’s fuel
pickup opening allows a multiple dip tube, use a multiple
dip-tube arrangement. See Figure 6-3. The alternate
tank should have a smaller, separate pickup opening for
a single dip tube. See Figure 6-4.
Note: Do not tee into the main propulsion engine.
2
1-788
1
1. Fuel line to propulsion engine
2. Fuel line to generator set
Figure 6-3 Dual Dip Tubes
1
1-788
1. Fuel line to generator set
Figure 6-4 Single Dip Tube
Installations with the fuel tank located above the
generator set’s c arburetor require an auxiliary fuel
shutoff valve. Close the fuel shutoff valve when not
operating the generator set to prevent fuel leakage.
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