Quote:
Originally Posted by jderstine
HI, I have a 2019 Atlas Airstream on a Mercedes Benz chassis with a diesel Onan QD 3200 generator. i have a leak that is dripping from underneath the generator. I am suspecting the fuel line has a crack in it some place close to the generator. I have a problem in finding the replacement for the fuel line. Are there any suggestions of where I might find one? Any suggestions would be appreciated. If a cannot find one, could the fuel line be placed not using the OEM line?. Thanks in advance. Jeff
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I have the same generator, the fuel line is just generic fuel line you can pick up anywhere. The supply line attaches to the pump inlet nipple on the lower right side as you face the front access door of the QD3200, then from there another piece of line inside the generator goes from the fuel pump output to the inline fuel filter located in the main compartment behind the large removeable door. From the filter, another lines goes to the pump/injector unit, then the return line comes back up on the far left, drops down along the front inside edge of the opening and back out of the generator right next to the inlet line.
But also make sure the leak is indeed fuel and not oil. The crankcase vent on the QD3200 is a poor design and can also leak oil. Parts are NLA but you can make the part that fails with 2 different size vacuum hoses, somewhere I have the details on how I did that to mine. It's just a vent hose that goes from the crankcase to the air intake with a plastic one way valve in it.
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