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D2 Steering Clutches and Brakes

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16 years 2 months ago #21006 by Toolslinger
First post folks, please bear with me as I get the hang of your board... I did a bit of reading in the archives, but haven't hit the right search string, or post yet, so thought I'd just ask...

Family has an old D2... The steering clutches, and brakes are pretty much non existent... Bad enough that we have to nudge it about with a JD loader to get it in to the barn...

At the moment I don't have any further info on the machine such as age, SN, etc. The question though is this... If I wanted to replace the clutches, and brakes, what am I looking at really...

This is what I have gotten so far:
  • Have to pull the tracks. That's enough to intimidate me a bit as it is, but I'll assume that isn't the end of the world...
  • Pulling the casting that cover the clutches can be a bear, and can crack things...

So... Assuming I get the tracks off... Am I likely to be able to get the parts I need to do the brakes, and clutches? If that drum cracks that I read about, is that something that is available, or would I be looking at finding a used part?

My folks had someone come out that told them they'd best simply sell/get rid of it rather than fix it... I find that to be a poor option... My hobby is finding and restoring antique wood working machinery, and so saving a good old dirt worker would seem to be a good choice... I will not let it go to the scrap head...

Thanks folks!
-Tim

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16 years 2 months ago #21016 by smf52
2 slipping steering clutches seems a little unlikely. Does the main clutch pop over? I would look at that first. Brakes may just need an adjustment.

You can still get the clutches. Not sure on the brake bands but I have been surprised at what Cat still stocks for these dozers.

I did the steering clutches on my D25J, Getting the track link out was a real pain. Also you will need a puller for the clutches. The housing can come off hard, some hydraulic power may be needed. I did one side a weekend with the help of a buddy.

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16 years 2 months ago #21023 by Sasquatch
Replied by Sasquatch on topic Brakes
I've had D2 brake bands re-lined at a local clutch and brake supplier, most parts are pretty universal. I think you can still get the linings and rivits from Cat too. You can adjust the brakes through the access covers on the final drive castings, just above the base of each foot panel. Also might not hurt to have a look around inside there with a flashlight to make sure there isn't excessive grease or rust that may be giving you problems.

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16 years 2 months ago #21031 by bgates
A D2 is really cool and worth a lot. Fix it, don't git rid of it. The parts are out there and available.
Have fun!

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16 years 2 months ago #21040 by Toolslinger
Thanks folks, good info... I'll have to get out to the farm and stick my head in the machine to really see what's what. Glad to hear parts are generally available...

Cheers,
-Tim

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16 years 2 months ago #21057 by timbo1946
I got the brake pads and rivits from CAT. Sent a few hours doing the religning myself, of course that was after I had the finals out to do the clutches. Heavy work but has been real enjoyable once back together. Tim

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16 years 2 months ago #21110 by Jack
After you break the track you have to remove the track frame also. I did one side at a time so the whole machine wasn't balanced up on jacks and blocks. I leave the broken track in place and jack the tractor up high enough to hoist the track frame off over the rails, so found it best to run the other track up on a plank so the tractor would sit somewhere close to level while I did one side.

Some times clutch plates will be cut into the spline in the brake drum, and this will make separating the final housing, clutch plate cluster attached, a perfect nightmare. Hope you have good luck and it comes apart easily.

It's a job, but not a particularly bad one. All pretty straight forward.

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16 years 2 months ago #21144 by gauntjoh
Hi, When I freed the steering clutch on my D2 5J, I backed the track adjuster right off and was able to remove the track without splitting it. This saved me a lot of work.

John Gaunt, ACMOC Director, UK

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16 years 2 months ago #21146 by hicrop10
Tim,I am doing the same job you are talking about doing on my own d2 right now.I am only over in Phila, I wouldn't mind taking a look at your machine and showing a few points.I have all the service manuals that show just how to do the jobs you are talking about doing.It is hard and heavy work but it not rocket science.Give me a call 215-669-1252.Mike Durkin

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