[AT] Another Oliver practical technical question for the list

[Thomas O. Mehrkam]

Stich weld it. There was a discussion about a year ago about stich 
welding. If done correctly it is stronger than the origional. They use 
it on heavy equipment, Fly Wheels, Ships Engines, Auto Engines etc.

Spencer Yost wrote:
> I have a 77 diesel and am not sure how a crack like that started.   There
> is a web/baffle in the case near there, but I don't think normal heavy use
> could start it.  - it would take abuse - serious abuse, to do it.   I am
> guessing it flipped over at some point in time in its life and now just
> time and wear made it more noticeable or got it started.   Mine isn't a
> long axle, so I could be wrong.
> 
> If you are sure the crack is recent, structural, and serious, get another
> tractor.  There is no repairing it in a way that assures operator safety,
> especially not cheaply.  Personally, I'd mark it with an engraver and watch
> it closely.  Sometimes vibration or a recent pressure washing, or a good
> long use after after a period of dormancy, will open an old leak back up
> making something like that appear recent when it really isn't
> 
> Spencer Yost
> Owner, ATIS
> Plow the Net!
> http://www.atis.net
> 
> *********** REPLY SEPARATOR  ***********
> 
> On 2/26/2006 at 9:11 PM Grant Brians wrote:
> 
> 
>>Friday, the tractor driver pointed out to me a potentially serious issue
>>on 
>>one of our Oliver 77's (a Super 77 Diesel that has worked long and hard
>>and 
>>is in regular use!) There is a crack that appears to be about 6-7" long in
> 
> 
>>the left side of the transmission case just forward of the axle connection
> 
> 
>>and below the disc brake housing. The direction of the crack is mostly 
>>vertical but tending toward the front of the tractor a bit as it goes 
>>upward. The crack is seeping gear oil.
>>   I need to figure out whether this crack is a structural problem and 
>>needs to be welded,or if it is an annoyance that should be pinned and JB 
>>welded. I assume the crack is from the beating the tractor has taken over 
>>the years and especially from the hay work and heavy sleds when doing some
> 
> 
>>of the cultivating. The tractor has however done everything from discing
>>to 
>>grading to pulling the mower conditioner that should take closer to 60hp 
>>than the 45 of the Oliver. Oh, one other item that might have a bearing on
> 
> 
>>this issue - the tractor has the 120" axle and was in the distant past
>>when 
>>it was the primary cultivating tractor on a 500 acre tomato and dry beans 
>>farm used at the wider settings. It is back on 60" now and should stay 
>>there. The wide front is in perfect condition.
>>   Can anyone on the list help me with this VERY practical and necessary 
>>concern? I really need to be able to rely on this tractor for quite some 
>>time still, after all it only has been working for 51 years!
>>       Grant Brians
>>       Hollister, California
>>
>>_______________________________________________
>>AT mailing list
>>Remembering Our Friend Cecil Monson 11-4-2005
>>http://www.antique-tractor.com/mailman/listinfo/at
> 
> 
> 
> 
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