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Old 04-14-2016, 12:38 AM   #1
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Fuel filter change question

I will need to change the oil and fuel filter in my 8.0 Powertech generator soon. I had a mobile lube guy change the last time but plan to do this one myself. The mobile guy had a can of filtered diesel to prefill the fuel filter. I was planning to prefill through the small outside holes. What do you guys/gals use to get the fuel in the small holes without spilling? Also when you check your engine fuel filter sump for water on your coach, what are you doing with the small sample of fuel to dispose? Mixing it in with your used oil supply?
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Old 04-14-2016, 12:46 AM   #2
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Take the filter to a plumbing store and buy a pipe nipple that fits the center hole. Thread it in to the filter and no unfiltered fuel will get in.
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Old 04-14-2016, 12:54 AM   #3
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Take the filter to a plumbing store and buy a pipe nipple that fits the center hole. Thread it in to the filter and no unfiltered fuel will get in.
That's a good idea. I think I read that somewhere (most likely here). Then just pour from a small can or maybe use a measuring cup? I was thinking a large syringe could work?
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Old 04-14-2016, 01:12 AM   #4
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Anything you can pour slowly and accurately should work fine.
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Old 04-14-2016, 07:25 AM   #5
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Thumb over the center hole and pour slowly. Considering I'm draining less than a half ounce, I just throw it down on the grass. Doesn't even yellow the few blades it touches.
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Old 04-14-2016, 08:30 AM   #6
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Powertech generators use an electric fuel pump that's located at only about 12" from the fuel filter. In the 3 years I have owned the RV I have changed the filter twice and did not pre fill with diesel and had no problems starting the generator after the filter change. It won't hurt to pre fill the filter with clean fuel but in my experience it is not needed.
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Old 04-14-2016, 11:22 AM   #7
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Powertech generators use an electric fuel pump that's located at only about 12" from the fuel filter. In the 3 years I have owned the RV I have changed the filter twice and did not pre fill with diesel and had no problems starting the generator after the filter change. It won't hurt to pre fill the filter with clean fuel but in my experience it is not needed.
Good to know thanks. My manual gives o direction on this.
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Old 04-14-2016, 11:23 AM   #8
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Thumb over the center hole and pour slowly. Considering I'm draining less than a half ounce, I just throw it down on the grass. Doesn't even yellow the few blades it touches.
Thanks
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Old 04-14-2016, 08:05 PM   #9
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How does one obtain "filtered" diesel oil? I can think of a couple of ways, but would like to hear what those who do it regularly do.
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Old 04-14-2016, 10:11 PM   #10
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I just use atf or pour through a paint strainer..(assuming you have a diesel gen)
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Old 04-14-2016, 10:14 PM   #11
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I just use atf or pour through a paint strainer..(assuming you have a diesel gen)
How fine is the filter? Most fuel filters are 10 and 5 microns.
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