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The bottom of each pump has a mesh strainer which can be removed and cleaned. On the 002/003 after that is a separator, then two canister style filtering heads.
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Thanks LITD! Sounds like a PM regular?The bottom of each pump has a mesh strainer which can be removed and cleaned. On the 002/003 after that is a separator, then two canister style filtering heads.
I agree it seems odd for the #2 pump to clog before #1. Was the filter screen present in #1? Was it clean? Maybe #1 clogged first last time (possibly long before you acquired the genset) and got cleaned, but #2 wasn't fully clogged at that time and didn't get attention. I could imagine a partially clogged filter catching more crud than a clean filter.The interesting thing about that whole scenario is how did pump two filter clog before pump one?
Thanks for the update and from the sounds of things you are headed in the right direction. I would say that since the transfer pump is still working to leave that one in place for the time being, if it ain't broke, don't fix it. I did mine because of a couple reasons. One, I am a mechanic so that is what I do, take things apart and put them back together. You are just learning so don't push your luck. There are issues that pop up with things like this that will take you by surprise and can make a good pump a bad pump. and the second reason was my unit is a very high hour unit and after seeing the condition of the main pumps and the fact that mine is not enclosed it made sense to do it. Remember, I said I had used that pump to keep the set running as I was repairing the other pumps. I did that simply by moving the lines around so that pump was drawing fuel from the tank and feeding it to the filters. Believe me my lines looked like spaghetti while this was all going on but this was during a major snowstorm and power was out for a couple days already. If I were smart, I would have just used the line for the aux pump and ran that line into my spare tanks of fuel and then hooked up the outlet of the pump to the filters. But no, brain was in "We can make this work by turning the lines into spaghetti" mode. So in doing all of that I ended up pulling the same dirty fuel from the tank into that pump also.
ANYWAY, when you go to take the bottom cover off of the pump you will probably need to put a wrench on it. Just a fair warning so you don't think it will come off by hand. Have a clean rag to lay out the parts on and some fine emery cloth or sandpaper to clean the inside of the pump barrel. My electrical filters were good so I left them in there but if you are wary of them as others have said they are not needed for what you are doing, you may want to cut them out while you have full access to everything and then you do not have to worry about them going out later at the worst time. I am sure that is what will happen to me.
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