[AT] DC Case

[Jim & Lyn Evans]

http://www.antiquefarming.com/PDF/casecc.pdf

This site has literature on the CC. Page 12 talks about the drivetrain.

http://www.antiquefarming.com/PDF/casesc.pdf

Page 8 shows the transmission layout.

Case used the chain drive from 1929 on the model L to 1965 on the 6 
speed 930 with very few changes.   They are pretty reliable.

On 1/21/2012 4:45 PM, charlie hill wrote:
> I don't know much at all about Case tractors, are you folks saying that they
> had a chain drive?   How was it set up?  Was there a differential?  Please
> explain to me how it worked?
>
> Charlie
>
> -----Original Message-----
> From: Gene Dotson
> Sent: Saturday, January 21, 2012 5:16 PM
> To: Antique tractor email discussion group
> Subject: Re: [AT] DC Case
>
>      Good idea on checking the chains. That clunking sound is a warning that
> a chain is loose enough to drag the bottom of the housing. Worst case is
> when they get loose enough for a link to double back and try to come through
> the bottom of the housing and usually succeeds. This will usually happen
> when you are on a hard pull in low gear, the worst time!!!
>
>      Several years ago when I first split my 700, I made up a cradle sort of
> contraption that bolted under the oil pan with braces going forward to the
> cultivator mount holes. This forms a triangle and then I put steel wheels on
> the bottom. This way I roll the front half and engine while the rear stays
> stationary. Has worked very well.
>
>      Case made a special engine splitting tool that used 2 very long hardened
> rods to actually support the entire tractor as it was split apart. Would
> allow the tractor halves to spread far enough to remove the clutch and
> flywheel without using any other support. Never used or even seen one, but
> have heard they work very well.
>
>                          Gene
>
>
>
> ----- Original Message -----
> From: "john hall"<jtchall at nc.rr.com>
> To: "Antique tractor email discussion group"<at at lists.antique-tractor.com>
> Sent: Saturday, January 21, 2012 4:00 PM
> Subject: Re: [AT] DC Case
>
>
>> Well Gene, we got it back together today. I bought a new gear since the
>> one
>> in there was chewed up really bad in 2 places. I also put in a new release
>> bearing and changed the front transmission seal. It took a lot of elbow
>> grease to get the clutch housing clean inside!
>>
>> When we split the tractor we rolled the back end. The front end was
>> blocked
>> under the oil pan. I had the engine hoist on it for safety. It still
>> rocked
>> too much for my liking so I quickly made a couple of angle iron braces
>> that
>> bolted to where the oil pan bolts to the clutch housing. That worked out
>> real well  today when we went to roll it back together. I used nuts welded
>> to the bottom of the angle so I could use a bolt to set the tension. Today
>> we needed to twist the engine about 1/8" to get the lone dowel to line up.
>> The use of 3 large shoulder bolts is rather impressive--Case wasn't
>> cutting
>> any corners.
>>
>> Next is to pull off the disc brakes and clean them and then maybe adjust
>> the
>> chains in the rear end, the tractor has an occasional clanking sound.
>>
>> John
>>
>> ----- Original Message -----
>> From: "Gene Dotson"<gdotsly at watchtv.net>
>> To: "Antique tractor email discussion group"
>> <at at lists.antique-tractor.com>
>> Sent: Friday, January 13, 2012 7:23 PM
>> Subject: Re: [AT] DC Case
>>
>>
>>>     Just be sure to drain the oil out of the clutch housing. Rest is
>>> pretty
>>> straight forward.
>>>
>>> Gene
>>>
>>>
>>>
>>> ----- Original Message -----
>>> From: "john hall"<jtchall at nc.rr.com>
>>> To: "Antique tractor email discussion group"
>>> <at at lists.antique-tractor.com>
>>> Sent: Friday, January 13, 2012 6:39 PM
>>> Subject: [AT] DC Case
>>>
>>>
>>>> We've misplaced our service manual for dad's DC Case. Does anyone here
>>>> know if there is anything special we need to know about splitting it
>>>> into
>>>> to flip the starter gear around?
>>>> This was going to be tomorrow's project, but I may wait until we get a
>>>> manual.
>>>>
>>>> John Hall
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