[AT] Allis-Chalmers CA Hydraulic Cylinders

[charlie hill]

Thanks Robert,

My dad's old D-10 (replacement for the CA) had a spring that ran from the 
cultivator frame where it attached to the shaft connecting the lift arms. 
The spring ran down and attached somewhere on the cultivators but right now 
I can't remember exactly where it hooked up.  I was thinking the late CA's 
used the same cultivators but maybe not.

Charlie
----- Original Message ----- 
From: "R Mull" <rbobmull at comcast.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Monday, November 08, 2004 6:37 PM
Subject: Re: [AT] Allis-Chalmers CA Hydraulic Cylinders


> Charlie the "CA" does not  use a spring. Mine will lock up in the up 
> position when I don't have the adjustments on the pump set right.Never had 
> a cylinder come apart before though.
>
> Thanks,
> Robert Mull
> Woodstock, Georgia
> ----- Original Message ----- 
> From: "charlie hill" <chill8 at cox.net>
> To: "Antique tractor email discussion group" 
> <at at lists.antique-tractor.com>
> Sent: Monday, November 08, 2004 6:27 PM
> Subject: Re: [AT] Allis-Chalmers CA Hydraulic Cylinders
>
>
>> Mathew let's hope they are repairable because you aren't likely to find 
>> any to replace them with.  At least not OEM ones.
>>
>> Not being able to see the cylinders it's hard to tell you how they come 
>> apart but generally speaking the outer tube or the cyliner usually screws 
>> into the lower end housing where the hose attaches.
>> It sounds like some sort of retainer was missing and it caused the rod to 
>> extend to far.  Your cultivators should have a big spring somewhere that 
>> helps pull them back down.  That too depends on exactly which cultivator 
>> set up you have but generally AC cultivators had a spring.
>>
>> Charlie
>> ----- Original Message ----- 
>> From: "Matthew" <matthewx at dogod.com>
>> To: <at at lists.antique-tractor.com>
>> Sent: Monday, November 08, 2004 2:55 PM
>> Subject: [AT] Allis-Chalmers CA Hydraulic Cylinders
>>
>>
>>>I hooked up the cultivator to my CA this weekend, I had the draw bar on 
>>>it
>>> for a long time now.  In fact ti took me a while to find the cultivator 
>>> in
>>> the overgroth.  I remebered about where I put it..
>>>
>>> Anyway, I got all the pins in place and engaged the pump, and pulled the
>>> lever and the hydraulics came right to life.  Both the the cylinders 
>>> weep
>>> a little but they have done that for years.  All seemed good until I 
>>> went
>>> to lower the cultivator into working position; nothing happened.
>>>
>>> After shutting it off and taking a closer look at it, it seemed like the
>>> cylinders overextended a little bit and locked in the piece they pivot
>>> against.  I took the bolts holding the cylinder rods off of the piece
>>> they push against, which was all very tightly jammed together, and as
>>> soon as I had one rod disconnected I could get the thing to come back
>>> down.  What was odd was that cylinders rod fell right out of the 
>>> cylinder
>>> when I put it down.  There is a ring around the end of it that looks 
>>> like
>>> it should have some sort of a keeper on it that is missing.  I did not
>>> see it in the cylinder though.  The other side the rod stops before it
>>> falls out.
>>>
>>> Are these cylinders repairable (ie new keepers and packings) or should I
>>> start looking around for a new set?  If they are repairable who would 
>>> have
>>> parts?  How do they come apart?  The front (rod end) looks to be perm.
>>> attached.
>>>
>>> Any advice is appriciated!
>>>
>>> --Matthew
>>>
>>>
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>>
>>
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