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Case Crawler

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Tall Pine

03-17-2003 06:22:22




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I posted this message on Machinery Talk and was advised to try here. Apparently someone by the name of Max may have good ideas for me, but I'm hoping to hear from anyone who has answers.

I recently bought an old D1150 Case Crawler (bulldozer). I'm trying to work it all through in the shop now, just to get familiar with it fix up everything that doesn't work.

I may have more questions if anyone here is familiar enough with these things to answer questions. I've never owned something like this before.

I'll start with one. Is this a full 24 volt system, lights and all? The 2 batteries are hooked up in series, and I know it has a 24 volt starting system. My old 3010 also has a 24 volt starter, but the lights are all 12 volt. That's what made me wonder how this crawler worked. Right now the lights don't work at all.

I think I may have to replace the track chains and some other things as well. Since I've never owned a track machine before, there will be more questions when I get going on that.

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george md

03-17-2003 19:11:16




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 Re: Case Crawler in reply to Tall Pine, 03-17-2003 06:22:22  
Tall ,

On the later ones case used 24 Volt lamps ,

older ones used the series system with 12 v

lamps. My mistake .

george



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Max

03-17-2003 18:38:32




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 Re: Case Crawler in reply to Tall Pine, 03-17-2003 06:22:22  
Thanks for the compliment but I'm afraid that the D model came out after my time with case, I worked on the ones up through the C model for the 1150 which used the 451 diesel engine. If the D model used the same trans then I might be able to help somewhat. Good Luck.



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Tall Pine

03-18-2003 19:44:23




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 Re: Re: Case Crawler in reply to Max, 03-17-2003 18:38:32  
Max, I think mine is older than what you think. My decal says the Model # is D1150, serial number 7300854. I think when I checked it out they said it was a 1973 model. It has a 401 engine, 83 HP. My local filter dealer was looking at filters for the 1150D, but they didn't fit. I needed filters for an 1150 on his chart. So obviously a D1150 and an 1150D are two different things.

The good news is that the lights all work. The problem with the lights was a loose wire for an additional light that had been put in. It was causing a dead short.

I think I'll get all the basic stuff sorted out. The biggest problem right now is the undercarriage. I've never owned a cat before, so I'm not sure how much wear is too much, thought I'm sure that broken bushings must be going too far. And also a bogey wheel hanging on two bolts with a bearing gone.

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Max

03-19-2003 06:37:24




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 Re: Re: Re: Case Crawler in reply to Tall Pine, 03-18-2003 19:44:23  
If the suspension is wore out, you would be looking at some serious work in rebuilding. Hopefully the torque tube isn't stripped out for those used to be expensive and now I'd bet they would be hard to get. With the suspension working though, the traction is unbeleivable by always having the tracks on the ground. By this I mean that when one track is lifted by an obstruction it pushes via linkage the other track down. The housings for the suspension used bushings and grease is very important in keeping out the destructive grit.
The track chain links will have an'egg' shape to the bushings after some usage. If the bushings have holes wore into them I would suggest replacing over turning for when the grit gets into the chain it will really shorten the chain life. The sprockets should have a flat tip on them, if pointed and sharp they should be replaced or built up. On build up I would suggest removal to get the job done for the bearings on the unit (engine, trans, etc) don't like the welding. The track rollers take 30w engine oil for lubricant and can be rebuilt if not that worn. When replacing the rollers, rotate the axle in the roller before installing or you may be replacing it again because it was 'smoked' from not rotating. It was amasing how strong that paint was. Hope this little bit helps.

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Tall Pine

03-19-2003 11:18:47




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 Re: Re: Re: Re: Case Crawler in reply to Max, 03-19-2003 06:37:24  
Thanks for your advice. I have to take a good look with my parts book to understand all this. This is the first track machine I've owned. What kind of oil should be in the final drives? At least I think that's what it's called. There are level plugs right in the back of the machine on each side beside the big sprockets. One is a bit low. Would that be 80-90 gear oil?

The sprockets have about 3/16 inch flat part on top, so they should be OK I suppose.

What about the bogey wheels? They seem terribly worn. Is it possible to build them up with weld and then lathe them down?

I was wondering if you would mind answering some questions by e-mail if I have any more. If you're willing to do that, please send me a note at harpen@mts.net.

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Max

03-19-2003 20:17:29




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 Re: Re: Re: Re: Re: Case Crawler in reply to Tall Pine, 03-19-2003 11:18:47  
The finals take the multi- viscosity gear lube, but the 80-90 should be fine. The rollers can be built up and turned but you may want to disassemble before welding for the 'seal' per se' is two polished surfaces and if an arc should jump in that area, you will have a leak later on.



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tim

03-20-2003 13:54:33




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 Re: Re: Re: Re: Re: Re: Case Crawler in reply to Max, 03-19-2003 20:17:29  
you can buy aftermarket rolls and parts for 1150



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george md

03-17-2003 10:47:07




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 Re: Case Crawler in reply to Tall Pine, 03-17-2003 06:22:22  
Tall,

Yes 1150 case is a true 24 volt system quite

unlike the series-parallel sys that JD used. Case

uses 12 V bulbs with one on the rear and one on

the front in series to use the 24 volts ,thereby

getting 12 V drop across each bulb. Bulbs that are

24 V are available , but you won't like the price.

george



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Tall Pine

03-17-2003 17:26:22




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 Re: Re: Case Crawler in reply to george md, 03-17-2003 10:47:07  
Thanks for the information, George. But mine has 2 lights in front and one in the rear. Does that still work with what you're suggesting?

About the manuals comment - that's always a problem with old equipment. I only got an undercarriage manual. I did manage to buy a manual for an 1150E, but now I find out some things are different from mine.



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manuals-

03-17-2003 22:00:29




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 Re: Re: Re: Case Crawler in reply to Tall Pine, 03-17-2003 17:26:22  
Keep watching Ebay. I got all three manuals for mine that way. It may take some time but you'll get them. Good luck. That is a good machine you got there. M.D.



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