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Old 12-12-2015, 06:16   #1
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Join Date: Jul 2014
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Shaft Stuffing 101

I'm about to splash after 4 mos in the yard for an engine rebuild. The mechanic bolted on the transmission and I'm having a shaft align guy do his thing. I don't know much about this and am worried about the seals.

The mechanic said I should change the water supply from an exhaust take-off to a hose from the water pump">raw water pump, which I did. Will I have packing leak trouble? What other difficulties can I expect? Need a 101 course on this.

Engine is Cummins 6BTA-370.
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GeneM is offline   Reply With Quote
Old 23-12-2015, 06:37   #2

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Location: Boat is on the Rio Dulce
Boat: Seafarer36c
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Re: Shaft Stuffing 101

It's free flow out the back through the cutlass bearing. There should be no difference in pressure on the stuffing box seals. Sounds like water flow from the pump is more steady and cleaner than the from the exhaust.
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Old 23-12-2015, 07:21   #3
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Re: Shaft Stuffing 101

Thanks Guy. I did the sea trial and it seems to be good.
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