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

[A. R. Gates]

I have the oil out except for the last qt. or so -- I took off the plug in the drain pump arm just forward of the oil filter and tried the pump wand in there with no result.  
Do I need the fitting or should the suction result anyway?
I just came home to find my 14mm socket to try to remove the drain plug at the bottom of the sump pan. 
Thanks, Rollie  #182

-----Original Message-----
>From: George Hunt <gchunt at comcast.net>
>Sent: May 4, 2006 10:33 AM
>To: Pat Moriarty <patm at psiurethanes.com>
>Cc: C320-List <C320-List at catalina320.com>
>Subject: Re: [C320-list] Perkins M30 Oil Change last drops - WARNING
>
>Pat
>
>You replace the plug with a fitting to allow suction from the bottom.  
>Then you have gravity to assist, and you are not relying on suction from 
>the top of the dipstick, or from whatever level you manage to reach with 
>a flexible tube.  As I am sure you know, the Perkins has a bend in the 
>dipstick tube, so it is difficult to tell when you are at the exact 
>bottom.  When it hits the warm oil, a flexible tube tend to curl up away 
>from the bottom.
>
>George
>
>
>Pat Moriarty wrote:
>
>> 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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>>> >
>>>
>>>
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>>
>>
>>
>>
>
>
>
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