Metal fragments in Oil

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jagiven
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Metal fragments in Oil

Post by jagiven » Fri Sep 23, 2022 8:28 pm

Been a long time since I posted anything!

When I have done my last two oil changes I have found steel fragments attached to my magnetic oil plug. 3 or 4 in total. This image is the smallest of fragments its about 3/4" long (it is attached to a round magnet). All the pieces have been similar width and thickness, the others have been about an inch long. There has been nothing in the oil screen that has several rare earth magnets.

I have pulled the inspection pan and hogs head, visually without going any deeper everything looks normal. There was no issues driving. I have pulled the starter and generator, they look fine.

Any ideas of what it could be from? My guess at this moment, it could be clutch plates.

I have the engine ready to pull tomorrow, once my kid shows up. Thinking about only pulling the block and leave the tranny and pan. My thought, it will be easier to handle. The engine can go on the stand, and the tranny can go on the bench, and the pan can stay in the car. Otherwise I have this monster, I have to put on the floor to separate.
Attachments
Metal Fragment
Metal Fragment


tman1913
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Re: Metal fragments in Oil

Post by tman1913 » Fri Sep 23, 2022 8:36 pm

Brake drum lug.


Norman Kling
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Re: Metal fragments in Oil

Post by Norman Kling » Fri Sep 23, 2022 8:51 pm

Was there any difference in the way it ran before you inspected? Why did you look in the screen and magnets? Was it just a routine check or did you suspect something? Tell us something about the car. What year is it and does it have a starter? If so, does it work OK? Does the clutch and gears work OK or any unusual sounds or clutch slipping or sticking? Do you have a working magneto?
Anyway, hard to tell just what is the problem without more information.
it's good you are checking things out just in case something serious is wrong.
Norm

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jagiven
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Re: Metal fragments in Oil

Post by jagiven » Fri Sep 23, 2022 9:20 pm

Found during a routine oil change.

Car runs and sounds normal. Magneto works.

One thing that is not correct. The bolt that runs along the speed lever, is not aligned correctly. I took this issue as the plate the bolt runs on is very worn and needs to be rebuilt.

Its a 26


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Re: Metal fragments in Oil

Post by Scott_Conger » Fri Sep 23, 2022 9:43 pm

Yep

brake drum lug...you can see the indentations along it's length from the clutch disks.

those are darn hard and if one finds its way to a triple gear, your annoying repair will become an expensive, extensive, annoying repair

a practical person would say that you're done driving this thing for awhile
Scott Conger

Tyranny under the guise of law is still Tyranny

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jagiven
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Re: Metal fragments in Oil

Post by jagiven » Fri Sep 23, 2022 10:49 pm

Ok, so what is a brake drum lug? What am I looking for?

I have the tranny book, have rebuilt a 25 transmission a few years back, so I have a little familiarity with the internals.


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Re: Metal fragments in Oil

Post by Scott_Conger » Fri Sep 23, 2022 11:01 pm

review photos here: http://www.mtfca.com/discus/messages/82 ... 1539730219

last photo is with replaceable lugs...one of yours has broken... :cry:
Scott Conger

Tyranny under the guise of law is still Tyranny

NH Full Flow Float Valves
Obsolete carburetor parts manufactured

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jagiven
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Re: Metal fragments in Oil

Post by jagiven » Fri Sep 23, 2022 11:27 pm

Thank you, I remember installing them in the 25 tranny.

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Re: Metal fragments in Oil

Post by Mark Gregush » Sat Sep 24, 2022 2:31 am

Many many moons ago I remember reading a lot on here about some of the replaceable lug shoes that were made wrong, something about how the grain in the metal was going the wrong way, so when they were folded the grain ran lengthwise and they tended to crack along the fold.
I know the voices aren't real but damn they have some good ideas! :shock:

1925 Cut down pickup
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Re: Metal fragments in Oil

Post by Norman Kling » Sat Sep 24, 2022 11:24 am

If those are what I think they are from descriptions above, how do they get from inside the clutch to the screen?
Norm


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Re: Metal fragments in Oil

Post by Scott_Conger » Sat Sep 24, 2022 12:23 pm

how do they get from inside the clutch to the screen?
with a lot of luck
Scott Conger

Tyranny under the guise of law is still Tyranny

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Re: Metal fragments in Oil

Post by Craig Leach » Sat Sep 24, 2022 12:34 pm

Norm,
They would have to work there way around the discs and out the holes in the clutch cover, between the drums or out the holes in the brake, low, & reveres drums. which will take them to the triple gears. If there is three pieces that fit together then maybe one shoe came apart? If the pieces don't fit together or there is four pieces then there is more of them in there looking for a place to to get in trouble. Good news is sounds like it was found in time. Even if it is one of those ( other than that Mrs. Lincoln how was the play ) things.
Craig.

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Re: Metal fragments in Oil

Post by jagiven » Sat Sep 24, 2022 11:15 pm

Thanks for the lead. Indeed damaged Brake Drum Shoes. It will be an easy fix. Just stood the engine on end and pull the clutch spring, and the six clutch plate bolts. Probably took an 1.5 hours, to devise a method to compress the spring. If I had the shoes in house we could have had it all fixed and put back in this evening.

Thanks again

FYI, I did find another large piece down in the bottom of the sump when we pulled the pan.
Attachments
Brake Drum Shoe Damage 1.jpg
Brake Drum.jpg


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Re: Metal fragments in Oil

Post by Norman Kling » Sun Sep 25, 2022 12:44 am

Wow! Check all the gears for damage! It looks like you got lucky!
Norm

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jagiven
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Re: Metal fragments in Oil

Post by jagiven » Thu Sep 29, 2022 3:46 pm

Parts arrived this afternoon :).

I decided to order new clutch plates as some of them were chewed up where they were in contact with the bad shoes. The new plates look as if they have Bluing on them. Should the surface be cleaned or???

Thanks


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Re: Metal fragments in Oil

Post by speedytinc » Thu Sep 29, 2022 3:59 pm

Yea, clean off the dychem & lightly sand off the shine.


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Re: Metal fragments in Oil

Post by Steve Hughes » Thu Sep 29, 2022 4:24 pm

You didn't really need to remove the clutch spring. You can unbolt the 6 bolts and remove the driven plate (clutch plate) with the spring still attached. I know that it is too late to make a difference this time, but if you need to get into the clutch in the future you will know.


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Re: Metal fragments in Oil

Post by speedytinc » Thu Sep 29, 2022 4:36 pm

Steve Hughes wrote:
Thu Sep 29, 2022 4:24 pm
You didn't really need to remove the clutch spring. You can unbolt the 6 bolts and remove the driven plate (clutch plate) with the spring still attached. I know that it is too late to make a difference this time, but if you need to get into the clutch in the future you will know.
If you are going to do this, back off the 3 finger set screws as far as possible to minimize the spring's tension to minimize the damage to the threaded holes/bosses in the drum. Remove the 6 screws in an even manner. Last 3 opposing screws @ a minimum.


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Re: Metal fragments in Oil

Post by Scott_Conger » Thu Sep 29, 2022 4:42 pm

I am going to bet the blue is tempered steel sheet...will be interesting to hear if anything actually come off of them

I've only used good originals, so don't really know for sure...
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Tyranny under the guise of law is still Tyranny

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Re: Metal fragments in Oil

Post by jagiven » Thu Sep 29, 2022 5:10 pm

After work tonight, I'll get them cleaned up and the tranny all back together. I'll have to wait for the kid to come by to help stuff it back in. I realize I
did not have needed to pull the engine, but it did make it easier to do some other maintenance and clean the 1/4" of dirty greasy/oil off everything. (if oily it cannot rust:)). I've had an annoying oil leak for the past 5 years which I suspect was the from the Hogs Head at the felt seal.

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