[AT] Hydraulics Help

[Ronald L. Cook]

Dudley,
	Yep!  Sure does sound like the cylinder to me.
Ron Cook
Salix, IA

On 5/27/2011 12:22 PM, drupert at seanet.com wrote:
> Ron,
>
> The Cylinder extends whether or not the Pump is running. And w/o actually
> measuring I would say the speed of extension is the same whether or not
> the Pump is running.
>
> The Cylinder extends whether or not there is any load in the Bucket.  I
> would say it extends faster, however, if there is a load (see next
> paragraph).
>
> I think your' comment about the cylinder not working if it is passing that
> much fluid is key here.  I tried using the Loader last night to lift a
> small PTO Generator off a trailer.  I started with the Bucket curled up
> but before the Generator moved the Bucket curled all the way down (in
> probably less than a couple of seconds) and then the Generator moved.
>
> Thanks guys for your' comments ... I think they point toward the Cylinder.
>   Now I know what to add to the To Do List -
>
> Dudley
>
>
>> Dudley,
>> 	Well, after reading the other posts, I really have more questions than
>> comments.  Is the pump pumping when this is happening, or is the pump
>> shut off?  Is the bucket settling under load or is it moving without a
>> load and the pump running?  Open or closed hydraulic system?
>>
>> Ron Cook
>> Salix, IA
>>
>> On 5/27/2011 8:43 AM, Ronald L. Cook wrote:
>>> Dudley,
>>> 	My opinion is that if the piston was bypassing that much, the cylinder
>>> wouldn't work.  At least not under load.
>>>
>>> Ron Cook
>>> Salix, IA
>>>
>>> On 5/27/2011 1:47 AM, drupert at seanet.com wrote:
>>>> I have a question - Is there a relatively easy way to determine if a
>>>> hydraulics problem I am having is in the Valve or in the Cylinder.
>>>>
>>>> The Bucket on an old Loader I have has a double acting Cylinder.  Once
>>>> the
>>>> Bucket is curled up (i.e., the Cylinder is retracted) the Cylinder will
>>>> slowly start extending on its' own and will be fully extended in a
>>>> couple
>>>> of minutes.  The external leaking - although annoying - is relatively
>>>> minor.  I am thinking that maybe the seal on the Piston in the Cylinder
>>>> is
>>>> bad allowing the Piston to move through the fluid.  If the Valve is the
>>>> problem I guess I am not sure what the failure mode could be.
>>>>
>>>> I am hoping the problem is the Cylinder as it will be the easiest for
>>>> me
>>>> to fix but I don't want to waste time there if the problem is somewhere
>>>> else.  Any ideas on how to nail this down ... I am guessing someone has
>>>> run into this before.
>>>>
>>>> Thanks -
>>>> Dudley
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