Oh, one more thought. Do you have a fuel filter with a water separator?
If not, definitely install one, and if so, check the water catcher
on the bottom to make sure you don't water in your fuel (should be a
regular check before starting the engine). Water can be drained off
and desposed of as hazardous waste.
-s
On 0, "chris blasucci
tartan2767@... [T27Owners]" <
T27Owners@...> wrote:
>
>
> Thx Scott I just got some thicker fuel hose with 3/8 ID and some clamps. I
> just filled the 15 gallon tank a couple of days before this problem and am
> wondering how that might cause the breather hose to fail. Coincidence?
> I really appreciate your assistance, at least I feel I'm not alone
>
> Sent from my iPhone
> On Oct 28, 2017, at 12:22 PM, Scott Walters [1]
scott@...
> [T27Owners] <[2]
T27Owners@...> wrote:
>
>
>
> There should be some foam or something under where the breather attaches
> to
> the engine (see the service manual for the engine) that catches oil so
> it doesn't go out the breather, but the crankcase gases will still have
> cylinder blow-by (partially burnt diesel). White smoke is generally
> associated with partially burnt diesel, not oil (that's described as
> "blue"),
> so that doesn't sound exactly like oil from the breather getting burnt,
> or pressure forcing more oil into the cylinders. And yeah, that should
> be unkinked. Don't be shy about putting heavier, thicker hose on there
> with the same inner diameter.
>
> Running for a period of time at dock making smoke should be okay and if
> it's a temporary build-up of fuel in the exhaust manifold, it should
> clear.
> Too much too long and you're causing soot build-up.
>
> I have some diesel work to do too =|
>
> -scott
>
> On 0, "[3]
[email protected] [T27Owners]"
> <[4]
T27Owners@...> wrote:
> >
> >
> > My Tartan 27 #332 from 1967 was re powered before I bought it last
> January
> > with a Yanmar which has been running great until a few days ago when I
> > noticed some oil in the bilge and discovered the breather hose had
> worked
> > itself off the nipple of the valve cover. When I went to push it back
> on
> > the hose fell off in my hand and I struggled to discover where the
> other
> > nipple went but eventually reattached both ends again one on the valve
> > cover the other to a nipple headed toward the air intake silencer.
> After
> > starting the engine in ran for 20 seconds then white smoke began
> exiting
> > the exhaust and I shut the engine off. The hose did have a bend in it
> the
> > may have restricted the flow. Any suggestions, I was going to replace
> the
> > hose and try again today
> >
> >
> >
> > References
> >
> > Visible links
> > 1.
> [5]
> > 2.
> [6]
mailto:tartan2767@...?subject=Re%3A%20Yanmar%202GM%2020%20breather%20hose%21
> > 3.
> [7]
mailto:T27Owners@...?subject=Re%3A%20Yanmar%202GM%2020%20breather%20hose%21
> > 4.
> [8]
> > 5.
> [9]
> > 6. [10]
> > 7.
> [11]
> > 8.
> [12]
> > 9. [13]
> > 10.
> [14]
mailto:T27Owners-unsubscribe@...?subject=Unsubscribe
> > 11. [15]
>
>
>
> References
>
> Visible links
> 1.
mailto:scott@...
> 2.
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> 3.
mailto:tartan2767@...
> 4.
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> 5.
> 6.
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> 7.
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