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Search: Posts Made By: Doc_V
Forum: Diesel   05-03-2016
Replies: 25
Views: 1,707
Posted By RichH
Re: Will adding Biobor to *already dirty* fuel cause the filters to clog?

- VERY Common 'misperception' and mostly wrong.
Besides leaky deck fill plates because either the fill plate wasn't sufficiently tightened, or the O-ring in the fill plate wasn't regularly changed...
Forum: Diesel   05-03-2016
Replies: 25
Views: 1,707
Posted By RichH
Re: Will adding Biobor to *already dirty* fuel cause the filters to clog?

The enzymatic tank cleaners break down the accumulated fungals and bacterial 'strands' plus puts them into 'solution' of quite small 然 size.
As these 'chunks' of debris break loose from these large...
Forum: Diesel   05-03-2016
Replies: 25
Views: 1,707
Posted By dragon lady
Re: Will adding Biobor to *already dirty* fuel cause the filters to clog?

from experience....fuel cleaning or so called polishing will not clean the tank, only way to do that is open it up. cleaning the fuel and cleaning the tank are two separate things. you only have a...
Forum: Diesel   05-02-2016
Replies: 25
Views: 1,707
Posted By RichH
Re: Will adding Biobor to *already dirty* fuel cause the filters to clog?

.... there is NO way to know !!!!!



Recirculation Polishing the fuel will not 'clean' the tank !!!! Most of the contaminating massive colony of fungals and their debris will be stuck to the...
Forum: Diesel   05-02-2016
Replies: 8
Views: 483
Posted By Knots2U
Re: Need help. Yanmar 2QM15: Cylinder Inlet Connection moves when trying to loosen zi

I changed the front zinc on my 2qm15 last week. I used a pipe wrench to hold the assembly. You need to push it up from underneath with the jaws opened up all the way so you can turn it into place...
Forum: Diesel   04-18-2016
Replies: 4
Views: 486
Posted By JimsCAL
Re: Need help identifying this fuel filter with follow up questions.

This is correct! Had one on my previous boat. Here's a listing for one of the replacement filters. Available in 30, 10 and 2 microns.
Racor 200 Series Aquabloc Fuel Filter / Water Separator...
Forum: Diesel   04-17-2016
Replies: 17
Views: 1,068
Posted By Faster
Re: Stupid question RE Yanmar: Very little exhaust water at start up

It's possible, if the boat's been sitting a while, that the run last week loosened up some carbon in the exhaust which is now in the elbow. These things can start crudding up for some time and...
Forum: Diesel   04-17-2016
Replies: 17
Views: 1,068
Posted By JimsCAL
Re: Stupid question RE Yanmar: Very little exhaust water at start up

If it's raw-water cooled, it may recirculate most of the water to heat the engine up quicker with only a small amount sent to the exhaust. Once the engine is warm, the flow out the exhaust should...
Forum: Diesel   04-17-2016
Replies: 17
Views: 1,068
Posted By MarkofSeaLife
Re: Stupid question RE Yanmar: Very little exhaust water at start up

Did you rev the bastard?


Mine has very little water coming out at 800 RPM but crank it up a bit and a gusher


There's times when $90 per hour is cheap...
Forum: Diesel   04-17-2016
Replies: 17
Views: 1,068
Posted By Skyeterrier
Re: Stupid question RE Yanmar: Very little exhaust water at start up

What was the reason for replacing it? Was the previous impeller not circulating water and delivering it out the exhaust? Or was this maintenance being done on a schedule?

And yeah, it's...
Forum: Diesel   04-17-2016
Replies: 17
Views: 1,068
Posted By Faster
Re: Stupid question RE Yanmar: Very little exhaust water at start up

Was the previous impeller damaged (eg missing vanes?) If so did you get them all out of the heat exchanger or engine passages? Are you sure you have the correct impeller? Is the pump belt driven (and...
Forum: Diesel   04-16-2016
Replies: 4
Views: 486
Posted By adki110
Re: Need help identifying this fuel filter with follow up questions.

Racor 200 series filter, on my engine changing the filter and topping off required no bleeding.
Forum: Diesel   04-16-2016
Replies: 4
Views: 486
Posted By RichH
Re: Need help identifying this fuel filter with follow up questions.

If this filter element is approx. 5" in length its probably a (Pall Corp) type #4463, single open end - SOE, at 23然 abs.100% / 3然 97% 'nominal' retention or 49然 abs.100% / 7然 'nominal' 97% ...
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