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Priming a Cummins PT Pump

Posted By Ol' Kenny Tuesday, March 26, 2019 2:26 AM
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Ol' Kenny
 Posted Tuesday, March 26, 2019 2:26 AM
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I'm getting ready to fire up the 855 after the rebuild. Is there a good way to prime the PT Pump? I have filled all of the lines and filters with fuel all the way up to the pump.
Two-Books
 Posted Tuesday, March 26, 2019 3:41 AM
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Back in the day I changed out dozens of pumps while at a Cummins dealership and never primed them, if the lines and filter are full it should flash up pretty quick. If you feel the need to prime you can remove the plug that's beside the tach drive and fill at that point but be careful not to introduce any crap.

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Ol' Kenny
 Posted Wednesday, March 27, 2019 4:52 AM
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Thanks for the info Two-Books. It's probably not worth the risk of getting debris in the pump, especially since it is freshly rebuilt. I'll giver a spin and see what happens!

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