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Old 08-08-2011, 15:18   #16
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Re: Heat Exchanger 4-108

Oh, man that is ugly. Have you checked the exhaust injection elbow lately?
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Old 08-08-2011, 16:19   #17
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Re: Heat Exchanger 4-108

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Originally Posted by Randyonr3 View Post
Pulled the unit apart last night... wonder how the water even got through it.. sending it out today to be cleaned and preasure tested.. lucky me, I have a marine diesel shop right next door..
the reason I'm sending it out, I seem to be losing fluid and want to have it tested for leaks..........
by the way, that is a piece of an old impeller stuck in one of the tubes
Jeeze Randy--that's far worse than ours was. Same tube bundle but totally off the charts in terms of obstruction. Frankly, I'm amazed to think you were able to get any water through that thing at all. Given the condition, I agree that sending it to a shop that can give it the dip treatment is necessary I will be interested to see what that looks like when you get it back. (I wonder if the condition is a by-product of the amount of time you have spent up in the Delta.)

Good luck old son.
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Old 12-08-2011, 19:18   #18
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Re: Heat Exchanger 4-108

got the bundle back today... they preasure tested it and all was well.. and its now clean throu-out.....

Got a question.....is there anything I can treat it with to keep the build up down........?????????????
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Old 12-08-2011, 19:28   #19
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Re: Heat Exchanger 4-108

Wow, what a difference. When was the last time it was cleaned? You could run something like Rydlyme through it once a year or so. Connect it up to a pail and a pump and circulate it through for a while. Then take it apart and clean it once every 5 or ten years.

Apex - Rydlyme is the world's leading biodegradable descaler, rydlyme is designedto dissolve water scale, lime deposits & rust deposits, but is not water treatment orwater conditioner.
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Old 12-08-2011, 20:59   #20
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Re: Heat Exchanger 4-108

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Wow, what a difference. When was the last time it was cleaned? You could run something like Rydlyme through it once a year or so. Connect it up to a pail and a pump and circulate it through for a while. Then take it apart and clean it once every 5 or ten years.

Apex - Rydlyme is the world's leading biodegradable descaler, rydlyme is designedto dissolve water scale, lime deposits & rust deposits, but is not water treatment orwater conditioner.
never pulled it before... first time and we've been running it for about 10 years.. done a fair amount of motoring and have run from Alaska to Mexico..
to bad you cant run a preasure guage on it like my watermaker has.. when the preasure builds up, its time to change the filters.. guess the heat or the temp is a good indicator...
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Old 13-08-2011, 13:15   #21
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Re: Heat Exchanger 4-108

Well, you have sort of a pressure gauge in your temp. gauge. As soon as you see it start to edge up a bit its time to find out why.

By the way, did you check out the exhaust injection elbow?
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Old 13-08-2011, 19:20   #22
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Re: Heat Exchanger 4-108

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Well, you have sort of a pressure gauge in your temp. gauge. As soon as you see it start to edge up a bit its time to find out why.

By the way, did you check out the exhaust injection elbow?
thats next on my list.......running the shop, I dont get much time off for the boat.. doing 7 days a week and about 10 to 12 hours a day.. but the good part, our savings is growing and the next adventure is not that far off........
I'll keep you posted on what i find..............
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Old 13-08-2011, 19:32   #23
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Re: Heat Exchanger 4-108

Great, good luck with the shop and your next adventure.
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