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Thread: Promax 300 Fuel pumps
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11-02-2017, 03:43 PM #1
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Promax 300 Fuel pumps
Waking up a set of 98 Promax 300s. They have not been started in 14 years. I have been cleaning the vst tank and went to power the fuel pump and it is locked up. Anyway what's out there for reliable performance? The Ebay stuff scares me.
Branson, Mo
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11-03-2017, 02:26 PM #2
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I found the walbro part number a while back and bought it off ebay for 120ish dollars. his name on there was highflowfuel
Just a little Cat.
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11-03-2017, 07:07 PM #3
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I've done this in the past for Bosch pump which sat awhile. Disconnect the wires to the pump and apply voltage to the pump in opposite polarity which should break it loose. It's just a DC motor and will run both ways.
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11-04-2017, 08:05 AM #4
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If you have access to a vibrating cleaning bath that will do the trick most of the time.
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