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Old 03-21-2018, 02:46 PM   #1
biggy238
 
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Name: biggy238
Title: Too Much Time
Status: Not Here
Join Date: Aug 2008
Location: Just North of Wrong
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Posts: 10,819
Zexel Inline on cummins 3.3/3.9

The buys on the earthmoving side of the house have a 4 cylinder cummins in a Komatsu dozer. The engine started to haze badly, so they pulled the pump and nozzles to have them gone through.

The tech is trying to spill port time the pump according to the Cummins installation procedure, and the fuel stream never stops. I was asked to help out, and I have made 4 complete revolutions of the engine trying to be certain that the pump isn't out of phase, and it never stopped flowing fuel.

What would be the cause of this? I want to be certain we aren't missing something before the pump is pulled back off.

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