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Article #4366

Re: Old Merc: How much tell-tale flow?

#4366
From: Paul Jacobsen
Date: Sat, 03 Jun 2000 00:00
41 lines
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Dave <adave@ehmail.com> wrote in message
news:3939DE5F.DE0E6DA8@ehmail.com...
> I recently bought an old Merc, then I bought a manual.  I've been
> checking over everything and giving it a tune-up prior to taking it
> out.  My book covers a lot, but doesn't say how much water should be
> coming out the tell-tale stream ("pisser") if everything is working
> properly.
>
> My motor is a 1967 Mercury Model 60 (6.0 horsepower).  There isn't a
> hose hooked up to the "pisser", there's just a hole in the leg.  The
> diameter of the hole is between 3/32" and 7/64", and it comes out at
> around 30 degrees from vertical.  When the motor is running, it just
> kind of trickles out, sometimes running down the leg and sometimes
> lifting off the leg a bit. Neither motor RPM nor gear (F/R/N) don't
> appear to make much difference to the flow rate.  It looks like less
> flow than I would expect to see, but I don't know how much it should
> be.  I took the lower unit off and checked out the impeller, which
> appears to have been recently replaced.  However, the copper tube that
> connects the water pump to the powerhead is a bit banged up on the end,
> and the seals where it attaches to the water pump don't look that hot
> either.  I haven't checked in to getting replacements for the seals or
> the impeller yet, and I haven't tried flushing out the cooling system
> with a hose.  Should I be worried, or does it sound like I have enough
> tell-tale flow?
>
> Thanks!
>
> Dave.

You may also have an internal obstruction in the tell tale plumbing,
normally due to a little bit of white aluminum oxide plugging things
up.

Try this:  Blow compressed air up the hole from the outside and
run it again.  It may well improve the flow.

--
Paul

"Ask about the twelve step program for recovering Clinton voters."
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From: "Paul Jacobsen" <pejacobsen@minnSpamStop.net>
Subject: Re: Old Merc: How much tell-tale flow?
Date: 2000/06/03
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