[AT] Air compressor failure

Tue Dec 7 10:26:03 PST 2021

Sorry I wasn’t clear. By “same root cause“ I was not being specific in terms of burnishing points - I just simply meant I would start at the pressure switch. Like Roger I think the compressor can’t generate enough pressure to get the gauge much past the 135 cut-off pressure but I suspect if the switch was operating perfectly and reliably I’ll bet it would reach cut off pressure.

Sent from my iPhone

> On Dec 7, 2021, at 12:20 PM, deanvp <deanvp at att.net> wrote:
> 
> 
> How do you burnish points that close properly but maybe don't open at the right time?
> 
> 
> 
> Sent from my Galaxy
> 
> 
> -------- Original message --------
> From: Spencer Yost <spencer at rdfarms.com>
> Date: 12/7/21 9:58 AM (GMT-07:00)
> To: Antique Tractor Email Discussion Group <at at lists.antique-tractor.com>
> Subject: Re: [AT] Air compressor failure
> 
> I have the exact opposite problem (but probably same root cause)  with my water well pressure switch.  Every once in a blue moon it will fail to cut the pump on when the pressure drops below it’s rated psi. All I have to do is cut the power, run a little emery cloth over the points, and then all is well for another long while.  
> 
> PS:  Cut the power first! 
> 
> Spencer
> 
> Sent from my iPhone
> 
> > On Dec 7, 2021, at 9:39 AM, deanvp at att.net wrote:
> > The over pressure release valve does work when pulled manually  but is not releasing by itself up to 135 lbs pressure,   I don't yet know when it is supposed to automatically release.   I'm going to check a few things that you folks have asked about and see if any are contributing such as low compressor oil, plugged intake filter or a leaking outlet line and see what happens. Thanks for the suggestions.
> > 
> > 
> > Dean VP
> > Snohomish, WA 98290
> > "Socialism is a philosophy of failure, the creed of ignorance, and gospel of envy, its inherent virtue is the equal sharing of misery."
> > ..Winston Churchill...
> > 
> > -----Original Message-----
> > From: AT <at-bounces at lists.antique-tractor.com> On Behalf Of Henry Miller
> > Sent: Tuesday, December 7, 2021 5:17 AM
> > To: at at lists.antique-tractor.com
> > Subject: Re: [AT] Air compressor failure
> > 
> > Many large compressors like that pump up to 170psi.  Can you find a label someplace? 
> > 
> > Does the overpressure release valve release air when pulled, that is your backup in case the switch fails, if it works just let it run a little longer. 
> > 
> > --
> >  Henry Miller
> >  hank at millerfarm.com
> > 
> > On Mon, Dec 6, 2021, at 22:57, deanvp at att.net wrote:
> >> Need some help relative to a Husky 60 gallon , 7 HP air compressor.  I 
> >> am shop sitting the shop in AZ of my recently deceased friend until 
> >> his three sons can decide what they are going to do with the 10 
> >> tractors, 5 highly modified garden tractors and a fully stocked shop 
> >> with a huge quantity of hand tools.  In return for doing the shop 
> >> sitting I get to use the shop to do the work on my 1935 JD B and JD Garden Tractor.
> >> Upon the very first entry I noticed the air compressor was running too 
> >> long. I shut the breaker off and am not trying to figure out of there 
> >> is something I can do to fix it. My first thought is the pressure
> >> switch isn’t working right.   But….   I have never worked on this 
> >> version. Attached is the picture of the air compressor. I have not yet 
> >> found a operators manual or service manual to guide me through some 
> >> trouble shooting.  I am pretty sure this was working at least up to 
> >> the end of August and then my friend got confined to the house due to
> >> illness  and eventually died October 6.   I arrived in the middle of 
> >> November to take first use of the shop again.  So the compressor sat 
> >> unused for at least  couple months which may have something to do with 
> >> it not working now.  It does pump up to 135 lbs pressure but does not
> >> shut off.  I set my compressor at home to shit off at 120 PSI.   So 
> >> 135PSI seems high to me.   If I open the pressure switch is there some 
> >> adjustments in there or is it maybe just stuck that needs to be 
> >> unstuck?    Anyone with experience with this brand of air compressor?  
> >> I don’t want to create more expense because I don’t know what I am 
> >> doing.   Here is a picture. Note: The red dial on top of the pressure 
> >> control does work in that it shuts down the compressor when moved to 
> >> the Off position. When moved to the Auto position it just continues 
> >> running.
> >> 
> >> 
> >> 
> >> Dean VP
> >> 
> >> Snohomish, WA 98290
> >> 
> >> "Socialism is a philosophy of failure, the creed of ignorance, and 
> >> gospel of envy, its inherent virtue is the equal sharing of misery."
> >> 
> >> ..Winston Churchill...
> >> 
> >> 
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