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My Allis Chalmers mutt dozer HD-6B

Posted By kblackav8or 3 Months Ago
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kblackav8or
Posted 5 days ago
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OK fixed it.  Wasn't too bad.  Took me about an hour to do it.  This time I took up all the slack and then backed it off to maybe an inch of pedal movement.  I will be careful with it for a while until they wear enough I can put a few more clicks on them. 


1959 Kenworth CC-925 60's tribute truck, 1980 Freightliner FLC 12064

wayne graham
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Tony, You are correct. They had a lot of problems with tilt cylinders. A lot of different things were tried. Some were the factory idea and some were under the old shade tree. Our engineering dept at Springfield had a lot of internal politics that some times got in the way. I reckon that goes on in a lot of places.



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Tony Bullard
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wayne graham (5/16/2019)
Tony, If memory serves that was a field fix for bending cylinders. Don't bet the farm on it though.


One problem with that fix is the weld distorts and shrinks the inner diameter of the cylinder and the piston may bind and score and the seals fail prematurely.



Tony
Tony Bullard
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If your new linings were a 1/16" thicker than they were supposed to be there may not be enough threads on the adjusting bolt. You may have to make a longer bolt.


Edit: Or weld a deep nut to the end of the clevis.


Tony
kblackav8or
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Well it is fixed except it has to come apart partly again.  Worked great but the left hand brake must have been 1 or 2 threads not enough.  After about an hour or so it popped.  Hoping I can reconnect it without pulling the tank off again.  While I was working it, it works great.  The clutches work like new. 


1959 Kenworth CC-925 60's tribute truck, 1980 Freightliner FLC 12064

wayne graham
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Tony, If memory serves that was a field fix for bending cylinders. Don't bet the farm on it though.



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Tony Bullard
Posted 6 days ago
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It's only a three position angle and the tilt cylinder looks to be cobbled up some.


Tony
wayne graham
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The blade pictured is A-C. The push arm and blade were made next door in the old Baker plant that they bought. That was called the U moldboard with power tilt. We made a jillion of them.



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Aaron
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That would be it, usually you don't see both at the same time,it either angle or tilt, the one we bought was an angle and it was wider than a straight blade around 9'6",  the worn out one on my 6 is a tilt and about 8' 6',
 That doesn't look like the Dakota set up, it might be an AC if they made their own, I have an AC tool bar set up but it is worn out, it can be fixed  but its been used, those would accept AC farm implements when the arms were to the rear and a blade when they were forward.


Driving the greenies nuts
http://www.killcarb.com/
kblackav8or
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Question for Aaron.  This is what I have seen as the typical HD-6 blade with exception to the hydrualic tilt cylinder.  Would this essentially make it a 6 way blade, hydraulic 4 way and mechanical angle?  This seems like the ideal setup to me but I am rank amatuer on these still. 
http://forums.justoldtrucks.com/uploads/images/8de86be5-b0fe-44af-b70c-c095.jpg


1959 Kenworth CC-925 60's tribute truck, 1980 Freightliner FLC 12064



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