[AT] PTO pump on ebay

[Ron]

John
If you want to see a JD pump let me know, have two of them.
Your Neighbor.
NE Oregon
Ron





At 06:26 PM 1/2/2007 -0800, you wrote:
>John, this string is typical of how difficult it is sometimes to 
>describe a mechanical thing in written descriptions without the air 
>of photos or drawings--or face to face converstaions so everyone gets 
>the same picture!   I tried but failed big time...again!  Anyway, I 
>think the problem, is solved since I just purchased two complete 
>"vintage" spark plug hole tire inflaters with hoses, gauges adapters 
>and the valves for $9.99 (I was the only bidder).  These both have 
>the 1 or 2-way valve that will fit the spark plug hole that I was 
>looking for.  I might need to make an adapter.  In my case these 
>valves (one) can screw into the head of the pump to replace the valve 
>that is missing.  They will screw into the head of the pump and stick 
>up a couple inches.  That's what I remember seeing years ago on a pto 
>pump....but it was not a JD pump.  The ebay JD pto pump looks like it 
>just has a short pipe screwed into the top of the JD pump 
>head/cylinder with a hose clamped to it.  I've never seen one of 
>these JD pumps so maybe there is a 1-way valve screwed down into the 
>cylinder that you can't see in the ebay photo.  I suspect the valve 
>is missing and someone just screwed the pipe in the pump to try to 
>get it to work?.   Here's the part that I still cannot 
>figure:  assuming there is a spring-loaded ball valve in the top of 
>the valve to prevent pressurized air in the hose from returning to 
>the pump on the down stroke, where does the recharge air come from 
>that needs to flow into the pump on the down stroke?  And if there is 
>another air passage between the "spring loaded ball valve" to allow 
>recharge air in the pump how is THAT air passage closed off so air 
>compressed on the up stroke doesn't just run out?   Seems like there 
>would have to be two spring loaded ball valves.  OK, I'm through!    John W.
>
>At 03:11 PM 01/02/2007, you wrote:
>>John Wilkens. John, using the John Deere tire pump presently on 
>>e-Bay #110074738700, as an example. The valve keeping the air pumped 
>>in the object pumped up, tire, basket ball, etc, in in the end where 
>>the hose is hooked to. The "valve" in enclosed in the pipe plug 
>>valve assy which is inserted (screwed) into the pump body. When you 
>>say what you need is at the top of the pump, I don't understand what 
>>you are looking for. Most PTO pumps work off the same basic style. 
>>The only object that might be missing from this JD pump would be a 
>>cast iron Guard covering the end of the air piston and crank so that 
>>fingers and other body parts needed at one time or other don't 
>>accidentally get involved in the tire pump operation. (Ouch).
>>I'm still not clear on what you need other than this valve set up. 
>>Regards,  John Grant
>>----- Original Message ----- From: "John Wilkens" <jwilkens at eoni.com>
>>To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
>>Sent: Tuesday, January 02, 2007 5:00 PM
>>Subject: Re: [AT] PTO pump on ebay
>>
>>
>>>Thanks Gene and DAve.  Looks to me like the valve I need is missing 
>>>from the top of the pump.  Maybe the JD versions had some other 
>>>arrangement. John W.
>>>
>>>
>>>At 07:51 AM 01/02/2007, you wrote:
>>>>    There is a John Deere PTO air pump on ebay right now. Present 
>>>> bid is $20.00
>>>>
>>>>    Item number  110074738700
>>>>
>>>>                        Gene
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>>>
>>>                    In the wide-open spaces of NE Oregon
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