From: Dan Bever (goin_myway@yahoo.com)
Date: Tue Oct 11 2005 - 07:57:45 PDT
I have a REO gasser and recently put a civilian fuel
pump on which replaced the civilain pump that was
already on it. I have the part number if anyone needs
it. Not hard to get a gov. rebuild unit from places
like Memphis Truck Equiptment. I bought one from them
as well but had a heck of a time getting the correct
fittings to run the gas lines so just went back to the
civilian unit for now. Seems to work just fine. later
Dan
--- J <W7LS@blarg.net> wrote:
> We have a deuce with a REO 331 gas engine. Ran
> fine when first got it,
> but progressively ran worse and worse. Checked all
> the usual suspects
> and even replace the engine, to no real avail.What
> it turned out to be
> was the fuel pump. The pump was fine, but that
> little lever that
> military fuel pumps have on them wasn't working
> right. That lever is
> used to manually pump gas up to the carb, if the
> vehicle has been
> sitting for a long time, such that there is no gas
> in the float bowl.
> This eliminates lots and lots of unneccessary
> cranking, especially in
> cold weather, where you risk running down the
> battery before the engine
> starts.
> The lever operates the diaphragm on the pump.
> The engine normally
> pushes the diaphragm pump up and down by a cam
> action in the engine. The
> problem was the little hand lever was holding the
> diaphragm partially
> depressed, so that the engine cam was only adding a
> very little motion
> to the diaphragm. Hence, it pumped, but not much. At
> idle, it pumped
> sufficiently to keep up with engine demand. When
> you try to extract
> real power, like on a hill, it fell behind and the
> engine dies. If you
> measure fuel pressure in the driveway, it's fine. It
> only goes bad as
> you try to pump lots of fuel.
> The moral to this story is to look at the lever
> on the pump if your
> gas engine (jeeps, included) starts to crap out when
> you're trying to
> make power, but runs fine at idle. The handle has to
> be retracting to
> the free position when not in use.
>
> Jim
>
>
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