On Tue, Sep 18, 2012 at 10:41:22PM -0400, Norm wrote:
>
> The pump feeds the engine oil through
> a plugged hole I found in the oil filter adapter.
Ah - got it. Thanks! I was actually thinking of something that would
also wet down the rockers and the push rods (Perkins engines are
notoriously slow at getting oil up to the head, especially after they've
been sitting awhile), so anything I install would also need a small hose
teed off to the valve cover.
> I added a bypass
> pressure relief valve across the pump to limit the pressure. The idea is
> that in case of a main engine lube oil pump failure I could turn on the
> pre-start lube oil pump, the GearPuppy, and get into port on that. The
> relief valve would allow the pump to operate at a load that would keep the
> circuit breaker from tripping.
Nice! Obviously, you'd have to do a bit of troubleshooting to figure out
why the oil pressure had dropped, but having a backup main pump is a
grat idea (right in line with the reliability I was talking about for
single-engine ocean vessel.)
> I don't understand that bit about "changing oil". It's a Detroit. It
> changes its own oil. I just add a gallon every 24 hours of operation and
> change the filter once a year.
[laugh] Yeah, Detroits are a critter all their own. Some good design in
them, but different enough to freak out the average diesel mechanic. My
thought was, since I'd be pulling the oil out of the sump anyway, why
not also valve it off to a piece of hose with a petcock? Warm it up, add
a little diesel to thin it and to clean out the crud, stick the hose
into a milk jug, and fire up the Gear Puppy. *Much* better than crawling
around in the bilge, wrestling with drain pans, and dripping black oil
everywhere.
Ben
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