For over 30 years..I have used a piece of "split shot" in the exit hole on
the side of the oil filter where the tubing attaches..I get just enough flow
to lube the chain
and it gave me a bit more oil pressure..I seem to remember going through
this about a year ago..I also remove the filter and (not the canister) just
change the oil more often..Gene
Original Message -----
From: <fv74@altavista.net>
To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: Wednesday, December 13, 2000 11:38 AM
Subject: Re: [MV] MB Chain Oiling.
> Ted
> I eliminated the hex head oiler all together in my M38 engine. I felt that
the oil coming from the oil filter was more than enough. My engine had a #4
rod bearing failure when I bought the MB. If I had known about the tech
note, I would have put in the .015 holes. I have over 1000 miles on it since
the rebuild with no problem. I am curious what the restrictor diameter is in
the oil filter.
>
> Dave Fillman
> 45 MB
>
>
> ---- you wrote:
> >
> > .....if this is any help.....
> >
> > I've a copy of the CJ-2A/CJ3A/B Jeep shop manual.
> > This would pretty much covers the GPW/MB, M38 and
> > M38A1 motors.
> >
> > Anyway...., a tech note states that the Hex Head oiler, just above
> > the lower gear, was drilled with twin .040" holes. It stated that
> > this item should be updated to the smaller, .015" twin holes.
> > I brazed mine over and drilled new, smaller holes.
> > I may not have the exact diameters right, but you get the point.
> > My notes and TMs are elsewhere.
> >
> > This was done to prevent, #1 rod and possibly the first Main bearing,
> > damage. The sprayer is right there near both those bearings.
> >
> > I've done this mod, and kept the original filter unit, and have
> > not had any bearing problems after many long and hard miles
> > on my M-38.
> >
> > Hmmm, not having this oiling problem, think I'll pull
> > the filter unit off and measure the diameter of the restrictor in
> > there for my notes. Anyone interested, when I determine that measurement
> > I'll shoot it to yah, along with the OLD and NEW sprayer
> > diameters.
> >
> > Ted.
>
>
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