[C320-list] Perkins M30 Oil Change last drops - WARNING

[Pat Moriarty]

George

Does the plugged tube coming from the sump do a better job of oil draining?

Pat

At 08:37 AM 5/4/2006, you wrote:
>Folks with the Perkins engine,
>
>Please read, this is a serious issue.
>
>I no longer have my Perkins, had to repower with a new Yanmar, because
>(and I want to whisper the following, because I can't believe how stupid
>I was) I ignored the problem of getting ALL the old oil out.  I
>religiously changed the (hot) oil and filter about every 50 hours (I had
>about 900 hours total on the old engine).  But I always had trouble
>finding the exact bottom of the sump, and left some oil behind.  Even
>though I knew there was as much as a quart left behind, I figured the
>nice new stuff would mix with the old and obviate any problems.  The
>post-mortem on the engine showed a jelly-like sludge at the bottom, and
>internals destroyed from lack of lubrication.  The poor old engine often
>tried to tell me it was in trouble, but the symptoms mirrored the
>problems many folks have had with fuel filters (slow loss of RPMs.)  I
>lost count of how many times I changed fuel filters, almost always back
>in port for obvious reasons.  The now cooled off engine always revved up
>like a champ, convincing me I had solved the problem again.
>
>I believe the real solution is relatively simple:  Don't rely on a tube
>thru the dipstick to change oil on the Perkins!!  Back in the days when
>we all had Perkins engines, there was a lot of conversation about how to
>add oil change systems at the drain plug on the bottom of the engine.
>Some folks replaced the plug with a barbed fitting to accept a hose.  At
>least one put in an automatic system.  But the point is, drain the oil
>from the bottom, and if you still can't get it all out, talk to a
>mechanic about kerosene rinsing, before it's too late.
>
>Good luck,
>George Hunt
>REPRISE   -  #215
>Fort Myers, FL
>
>
>Allan Field wrote:
>
> >Turn the boat upside down and give it a good shake...
> >
> >Seriously, what kind of pump are you using?  I have a self-priming (very
> >important) pump that seems to do a good job although I'm not sure I know how
> >to tell if ALL the old oil is out.  With a self-priming pump, I keep moving
> >the wand part all around the bottom of the pan and stop when I don't see
> >anything else coming up and the wand begins to cool due to lack of hot oil
> >coming through.  I assume you are trying to pump hot - versus cold - oil.
> >
> >Allan S. Field
> >Sea Shadow - #808
> >Columbia, MD
> >
> >-----Original Message-----
> >From: C320-List-bounces at catalina320.com
> >[mailto:C320-List-bounces at catalina320.com] On Behalf Of A. R. Gates
> >Sent: Thursday, May 04, 2006 12:44 AM
> >To: C320-List
> >Subject: [C320-list] Perkins M30 Oil Change last drops
> >
> >My dipstick hole oil extraction pump is not getting all of the old oil out.
> >What else can be done by me?
> >
> >Rollie  #182
> >
> >
> >
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