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Old 09-18-2010, 02:38 PM   #21
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RE: Fuel Filter Change

Filter change for the Wix and Racor were no problem at all except for the 94 degree outside temp and high humidity thus lots of sweat stinging the eyes. The pump bulb worked like a charm, just as advertised. Has to be easier than manually filling the filters then trying to spin them on without spilling diesel. Left the Cav on the engine alone, will tackle that one another day. Engine started right up and didn't miss a beat. Vacuum gauge showed about 6" Hg after the change.
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Old 09-18-2010, 03:18 PM   #22
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RE: Fuel Filter Change

Well done Capn'!
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Old 09-18-2010, 03:45 PM   #23
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RE: Fuel Filter Change

Steve:
Went down the Tickfaw at first light this morning with one of my buds; talk about pretty and quiet. No fast boats, just bass fishermen.
Mike
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Old 09-18-2010, 07:17 PM   #24
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RE: Fuel Filter Change

I love the rivers leading into the lakes here Mike- all those cypress trees. Early mornings are the best. I been working on my tub today but hope to get out to the lake tomorrow
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Old 09-18-2010, 08:04 PM   #25
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RE: Fuel Filter Change

Steve Where is your boat now?
Steve W.
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Old 09-18-2010, 11:43 PM   #26
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RE: Fuel Filter Change

Hey Steve
We are on the the North Shore of Lake Ponchatrain up the Tchefuncte River. We were able to get a permanent slip at Beau ChÍne.
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Old 09-19-2010, 05:41 AM   #27
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RE: Fuel Filter Change

Nice area!
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Old 09-20-2010, 03:58 AM   #28
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RE: Fuel Filter Change

I have to carry a gallon of diesel.
To change the racor.

Many boat or truck shops do not have diesel handy.

Auto ATF works just fine , and many folks believe it is a great protection as injector lube.
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Old 09-21-2010, 07:44 AM   #29
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RE: Fuel Filter Change

I was curious as to why filters fail, other than the obvious (dirty fuel, water, cracked gasket). So I looked on the internet and could not find an answer. What if you keep your tank clean, polish your fuel to the nth degree, and run it through several 2 micron filters? Would the last filter in the series fail at some point? Why? Does the filtering part (paper, cotton, whatever) grow old and just fall apart? Seems to me that diesel fuel would act as a preservative. Just curious.
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Old 09-21-2010, 08:35 AM   #30
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RE: Fuel Filter Change

Mike,

According to the Mack Boring school that I attended the Yanmar engine final*filter is impregnated with some* chemical that aids in*the lubrication of the injection pump.* It is*dissipated by time*as well as by*the amount of fuel that is*passed through the filter.* So it will have all been dissipated by 12 -14 months if the engine has run 100 hours or not.

Can't speak to other filters.
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Old 09-21-2010, 09:11 AM   #31
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RE: Fuel Filter Change

JD - Not doubting that Boring said it, just doubting that it makes any sense. Is it stated in a Yanmar owner's manual that the filter is impreganated with something to prolong pump life?
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Old 09-21-2010, 09:43 AM   #32
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RE: Fuel Filter Change

FYI I have read that the newer Fleetguard filters (for Cummins) also have a lubricity element in the media.

*
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Old 09-21-2010, 02:59 PM   #33
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RE: Fuel Filter Change

Quote:
sunchaser wrote:

JD - Not doubting that Boring said it, just doubting that it makes any sense. Is it stated in a Yanmar owner's manual that the filter is impreganated with something to prolong pump life?
TG,

Not that I know of.*
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Old 09-22-2010, 03:06 AM   #34
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RE: Fuel Filter Change

Reading the monthly sales brochure from JD seems they are a huge supporter of "Mouse Milk"

They want special lubricity additives added for low sulfur fuel,and different goop for any biodiesel dumped in the tank.

Unkle Shmuck has mandated that up to 5% bio diesel can be used to dilute/debase diesel fuel with OUT a pump notification.

5% is enough to break loose the sidewall gunk buildup in an old poorly maintained tank.

So the next time you start purchasing primary filters by the case , thank the Farm Lobby!
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