Small brass shavings in found in oil screen plug

aisle3a

New User
Hi

I found small brass shavings in my 8N's oil screen plug while changing the oil. Where in then engine is there a brass part?

Regards
Randy
 
(quoted from post at 13:13:17 01/06/20) Should I immediately stop using the tractor until I get this figured out?

Not as long as you have oil pressure and no noise. Figuring it out likely means an engine tear down for inspection

TOH
 
(quoted from post at 13:17:50 01/06/20) Thank you.

I would suggest you keep an eye on things. Another possible source would be tri-metal engine bearings worn so badly they are into the copper alloy backing layer. If that is the case it is a lot of wear and I would expect to see a noticeable drop in oil pressure and hear some noise.

TOH
 
I do not "think" it is the engine bearings. The oil pump shaft, is that something to goes out often? Piston wrist pins are made of brass?
 
(quoted from post at 13:37:37 01/06/20) I do not "think" it is the engine bearings. The oil pump shaft, is that something to goes out often? Piston wrist pins are made of brass?

All of them wear and are potential sources of the yellow metal bits. Did you have any recent engine work performed?

TOH
 
It has been in my family for over 40 years, originally bought for $900 to cut acreage with a brush hog. It went under water during Katrina. Because it was hard starting and and had a history of that, I brought it to a professional engine man about eight years ago, who fixes racing engines. He said it only needed an easy valve adjustment, said the engine was in great condition, and it would last way longer than the rest of my lifetime. Since Katina, it is mostly being used it to cut the yard with a flail mower, sometimes grade mud and drill post holes.

Regards and Thanks.
 
By " small brass shavings" do you mean
hundreds of super tiny specks, or just
3-4 chunks or bits?


John
 
Hi

Mostly I mean small flecks of brass for the most part, maybe a couple slivers a millimeter wide and maybe four millimeters long.

Randy
 
(quoted from post at 13:04:32 01/07/20) Hi

Mostly I mean small flecks of brass for the most part, maybe a couple slivers a millimeter wide and maybe four millimeters long.

Randy

Speak English man - this is a made in the US of A antique tractor forum!!! :roll:

For the metrically challenged that would be .040 wide by almost .160 inches long. I would call those slivers and big ones. Not the sort of thing I would expect from journal bearing wear. It is the kind of swarf I get when reaming a new oil pump bushing but I make sure it gets cleaned out before the pump leaves the shop. If it continues to show up you have a problem somewhere that needs attention.

TOH
 
Hi Randy,

Do you know how many hrs are on your
engine-- working proof meter-- or by
estimate?

Has the oil pan been off, to braze a
loose pick up tube back on, or braze a
crack?

8n's came with 4 brass nuts to attatch
the manifold.They strip easily. Million
to one the stripped thread got in your
oil pan 8 years ago when you had the
easy valve job done.

I enjoy working on 8ns,and helping like
your neighbor across the street. Not a
pro mechanic.
John
 
I would estimate it is used about 35 hours per year. I do not remember who took the manifold off, me - before I brought the engine to be fixed, or the man I brought the engine to. Your idea could be true since I am aware the manifold studs are brass. The only problem is that maybe I would have noticed this during previous oil changes - maybe not. To my knowledge, the brass slivers were inside the oil plug strainer, not the outside.

Thanks for your help.
 
It's the nuts that are brass.
Yes they are on the outside.
Once the manifold is off, and brass from
the nut might be stripped off, and wound
on the steel stud. The valve covers come
off to adjust the valves. Getting the
brass threads into the valve recess, and
into the pan, is the one in a million.
Little gnomes maybe.
Do you use a brass wire wheel to clean
up the old gaskets? Maybe the slivers
are from the wheel.

1500 hrs is kinda half way on a rebuild
to my thinking.

Distributor and governor have bushings
too.
 

We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today.

Back
Top