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Old 12-03-2020, 09:03 PM   #1
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Can a hand primer pump wear out?
I changed my primary fuel filter and I’m unable to prime the fuel system. I pumped it off and on for almost two hours and it never increased the resistance like it has done in the past. Can these hand pumps fail?
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Old 12-03-2020, 09:24 PM   #2
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Yes they can.

Take it off and look at the check valves on the underside of it. Could have a small piece of debris stuck in one.
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Old 12-04-2020, 05:20 PM   #3
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Well, it wasn’t the hand pump...😩 stay tuned.
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Old 12-07-2020, 02:45 PM   #4
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Well after prefilling the filters, I was able to get the engine to start. I guess I had more air in the system than I thought!
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