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31  Cletrac Tractor Discussion / All Models Except HG, OC-3, OC-4 & General / Re: Hercules Diesel rear main crank seal on: February 20, 2010, 09:03:27 PM
I bet your right! I was just talking to my son and told him I have a feeling the seal popped completely out because when i put the seal in it just didn,t seem right. guess i should have trusted my gut feeling . If the seal is not damaged i may try using some type of adhesive to hold it in.

John
32  Cletrac Tractor Discussion / All Models Except HG, OC-3, OC-4 & General / Hercules Diesel rear main crank seal on: February 20, 2010, 04:28:39 PM
Well we got the engine running pretty good today and finally moved it under it's own power :cry: .
We checked constantly while it was idling for leaks and there was none. seems like once we moved it something happened to make it leak.
Before I rebuilt the engine it leaked from the rear seal and I figured it was because the crankshaft thrust washer was missing allowing the crank to move back and forth.
I replaced the rear main seal with a new one and put in new thrust bearings which put the crankshaft end play back in specs.
I was wondering if anyone else ever replaced the seal and if there is anything I should watch out for when I replace it again?
I have rebuilt too many engines to list and have never had this happen before, very frustrating :x .
I am going to pull the engine again next weekend and check to see if it might have tore when I put the flywheel back on.
On a positive note though, everything is very clean and has new bolts in it so it should come apart pretty easy.

John
33  Cletrac Tractor Discussion / All Models Except HG, OC-3, OC-4 & General / Re: Picture update of BD rebuild on: February 20, 2010, 04:07:10 PM
Hotratz
I'm glad to be an inspiration to someone , I made my wife read this. On a serious note though, the work you did on the dash of your OC is much better than my hood. The pictures make the hood look flawless but it still has many imperfections in it. I do appreciate the comments though. Isn't it amazing what some cleaning and paint can do?

John
34  Cletrac Tractor Discussion / All Models Except HG, OC-3, OC-4 & General / Re: Picture update of BD rebuild on: February 19, 2010, 08:03:26 PM
Here's some pictures of the hood before, during and after. For some reason someone cut a hole in the hood right above the voltage regulator  :? . Easy access I guess. other than that the hood was in pretty good shape.

John[attachment=2:1245lt8f]032.JPG[/attachment:1245lt8f][attachment=1:1245lt8f]042.JPG[/attachment:1245lt8f][attachment=0:1245lt8f]002.JPG[/attachment:1245lt8f]
35  Shows, Events, Video / Video Clips / Re: starting Cletrac BD after rebuild on: February 18, 2010, 07:30:32 PM
Bob,
Yeah, we can't wait!   :D   I take it you got my emails.  We're having issues with our email account and wanted to make sure.
Thanks,
John
36  Shows, Events, Video / Video Clips / Re: starting Cletrac BD after rebuild on: February 17, 2010, 06:39:56 PM
Thanks for all the positive  comments.
We can't wait until it's finished. We ran it longer  a few days ago and it did smooth out and start firing on the cylinder that was missing. We started the rebuild in september 09 right after i was laid off. I went back to work last week but we should have it finished for the May show.
John
37  Shows, Events, Video / Video Clips / starting Cletrac BD after rebuild on: February 16, 2010, 05:26:47 PM
video of us starting Cletrac last week.

http://http://www.youtube.com/watch?v=T0JKYKBf5_Y
38  Cletrac Tractor Discussion / All Models Except HG, OC-3, OC-4 & General / Re: Picture update of BD rebuild on: February 16, 2010, 05:22:26 PM
I still have some pictures to put on here. But for now i posted a link to a video of us starting it last week.
The link is in the video clip sharing forum on this site.

John
39  Cletrac Tractor Discussion / All Models Except HG, OC-3, OC-4 & General / Re: Picture update of BD rebuild on: February 12, 2010, 06:59:26 PM
OK Bob i'll watch for your pm. Or i'll just pm you my e-mail.
thanks
John
40  Cletrac Tractor Discussion / All Models Except HG, OC-3, OC-4 & General / Re: Picture update of BD rebuild on: February 11, 2010, 07:29:28 PM
Bob,
Cool!!  I'm looking forward to working out a deal.  Let me know how you want to get in touch.

Pressure washer, wire brushes, lots of grinding.  And did I mention wire brushes and grinding??
I did burn up two 4 1/2" grinders in the process.
41  Cletrac Tractor Discussion / All Models Except HG, OC-3, OC-4 & General / Re: Picture update of BD rebuild on: February 10, 2010, 04:58:21 PM
Quote
Quote from: "mikeinnh"
how did you find that so far back in the woods? whats the story behind it? It really looks great, not sure if even looked that good outta the showroom, great job, cant wait to see it when its done!

My sons and I like restoring garden tractors, motorcycles, jeeps, trucks and old rototillers. We've also been going to the Brownsville steam show since the early 80's. My youngest son goes to the steam show grounds in the summer months and helps pick up sticks and cut grass. He is also crazy about anything with tracks. So during the May 09 show I told some people that I was looking for a small crawler that I could work on with my sons. About a month later I got a call about a Caterpillar D4 that had been sitting at a saw mill for the past 17 years buried in sawdust. It was only used to drive the saw mill so the undercarriage was very good.I really wanted to get this Cat but I could not find anyone with a truck large enough to load and haul it in the next few days so the dozer was scrapped  :cry: . One week after this I was picking my son up from the show grounds and there was a couple of the guys that told me about the d4, working on a Farmall . As I was telling them the sad fate of the D4 one of them said; Hey what about the old dozer sitting in the woods on the property next to the show grounds. The other guy says; Yea, I think its still there. So they pointed my sons and I in the general direction of where they thought it was and we walked back and forth for about 35 min. Then we saw some yellow through the trees and sure enough there it was buried in trees and brush, we walked right past it at least 4 times before one of us saw it. I then tracked the owner down , asked him if he would sell it and he said yes. He told me that he bought it at an estate auction when the original owner died and that the original owner was one of the guys that started the steam show. He used it to drag logs to the saw mill on the show grounds before the show was even there. He also said that it had a loader on it but it was sold separately at the auction and the person that bought it cut it up for scrap.  
I would eventually like to get a Heil blade for it or build my own blade we'll see.
42  Cletrac Tractor Discussion / All Models Except HG, OC-3, OC-4 & General / Re: Picture update of BD rebuild on: February 10, 2010, 08:15:18 AM
Here's a couple pictures of the broken piston and thrust washers.    [attachment=2:3sylt184]broken piston.JPG[/attachment:3sylt184][attachment=1:3sylt184]thrust washer.JPG[/attachment:3sylt184]




Here's the inside of differential housing after we drained it. It was filled mostly with water, dirt and rust.
All the bearings were good but did have to replace steering drum bushings and rebuild oil pump. The steering drums wobbled back and forth about 3/4" and the bushings were wore almost completely through.[attachment=0:3sylt184]dirty diff.JPG[/attachment:3sylt184]
43  Cletrac Tractor Discussion / All Models Except HG, OC-3, OC-4 & General / Re: Picture update of BD rebuild on: February 09, 2010, 07:24:44 AM
I never thought that would be a block heater, I read somewhere that it was a heater but I was thinking cab heater, funny,I know  :?:
I think my dad has an old blow torch that was my grandfathers, I'll have to try it.

I live about 35 mins. southeast of Washington PA. 6 miles south of Brownsville PA.
 
I will PM you with a no.

John
44  Cletrac Tractor Discussion / All Models Except HG, OC-3, OC-4 & General / Re: Picture update of BD rebuild on: February 08, 2010, 06:38:49 AM
It was probably to much ether , We found 6 empty rusty cans of it laying on the ground near the crawler and a couple more cans in the steel box behind the seat.
The thing that surprises me is how well the engine ran with a broken piston and the 1/2" of play in the crankshaft. I am going to try and get it started sometime in the next week or so.
I will make video a post a link.
One more thing, If I can get my photo editor to work. I was wondering if anyone could tell me what the large round funny looking thing on top of the water pump is and what it might be used for.
The book doesn't really say anything about it.

Thanks John
45  Cletrac Tractor Discussion / All Models Except HG, OC-3, OC-4 & General / Re: Picture update of BD rebuild on: February 07, 2010, 06:34:13 PM
Believe it or not, I mixed 2 colors of Valspar tractor implement enamel from Tractor Supply. Someone flipped the clutch cover upside down before this crawler was painted yellow which left the original
orange color preserved. I was planning on painting it an orange color that was readily available with out having it mixed. The color I chose was Kubota orange. I started to primer with Valspar red oxide primer
and noticed that the primer when wet was close to the Cletrac orange. So I stole a set of my wifes measuring spoons from the kitchen and started mixing different ratios of primer to Kubota orange until it
matched the clutch cover. The ratio ended up 2 parts Kubota orange to 1 part red oxide primer and then added enamel hardener according to the directions. I did this same thing on a gravely tractor a few years ago and the paint is holding up pretty good.
As for the diesel engine, this crawler sat in the woods for 15 to 17 years, we got it started where it sat and drove it out and onto a trailer to get it home. It actually ran pretty good but had a miss that we figured was a clogged injector and a knock in the transmission that went away when the clutch was pushed, so we figured it was something in the clutch. When removing the clutch to remove the engine I noticed the clutch and flywheel moved back and forth about 1/2" but the clutch components looked fine. My son was turning the engine over from the crankshaft pulley at the front of the engine and noticed that the whole crankshaft was moving front to back about a 1/2"  Cheesy .
I will post some more of the rebuild later, I don't want to make this to long and bore everyone.

John
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