Yet another think horses not zebras post - Printable Version

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Yet another think horses not zebras post - Richard - 03-20-2020

Six years ago when I bought the coach, the generator took three or four attempts to actually fire and run. You could run the prime on the pump and it would crank right up. Replacing the fuel pump ( with it's internal check valve) solved the problem. 

In the last month it started again. Ok, I know this drill. Amazon delivers the pump and I install last night while fending off mosquitos. 

However, it is really hard to get it to fire now. Fire and stumble. Fire and stumble. Repeat about ten times despite burping the fuel system twice. I finally get it running. Flip on the ACs to put a load on it and it dies. Hmmm, try the Aquahot and the generator slows and dies. I am thinking about this time that das ist nicht gud. 

Ok, calm down. Do you put the old pump back on? Let's think, diesels are simple animals that need fuel and air. What keeps it from getting fuel. Filters. Hmmm. Change out both filters, prefilling them with ATF. Fires right up and runs without any further problems. 

Yeah, yeah, I know. Follow my own advice. Look at simple first. 

In my defense, in 15 years of motorhoming, this is the first time I have ever had to change a filter because the engine was starving.

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RE: Yet another think horses not zebras post - valento - 03-20-2020

When was the last time you had replaced those filters?

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RE: Yet another think horses not zebras post - Richard - 03-22-2020

Oscar, the filters had right at 900 hours on them. So I was using the Presidential election schedule as a basis.

So now I know to replace them at 500.

And I know what the tell tale symptom is.

Yeah, I know, should have changed them preemptively.

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RE: Yet another think horses not zebras post - rheavn - 03-23-2020

FYI  The Kohler manual calls for an even more aggressive filter change schedule than you are contemplating.  The manual suggests fuel filter change at 300 hrs.

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