The fuel draw tube is designed to vent the fuel tank as well as supply and return fuel to the APU.
When looking down on the top of the fuel block and the barbs pointing away from you, the right brass fitting
is the return (remember R and R, Right is Return) and the left fitting is the supply.
Once installed, route two fuel hoses from the APU to the fuel draw tube.
Tighten the fuel hoses onto the barbs of the fuel draw tube using the worm gear clamps or oetiker clamp
supplied.
Connect the fuel supply and return to the correct barbs on the APU. The top fitting is the return and the
bottom fitting is the supply. Reversing the two fuel lines will not allow fuel to reach the APU. Tighten all
hose connections using a worm gear clamp or oetiker clamp.
IMPORTANT!
When installing the fuel block that is located in close proximity to the truck's
fuel gauge sensor, be sure that the fuel draw tube is not installed where it will interfere with
the fuel gauge sensor.
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Summary of Contents for HP2000 XTREME Series
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