Speedaire pump seized

[KillNThrill24]

I picked this big girl up earlier today. I didn't get to thoroughly inspect it, but got a fair deal on it I feel.

I knew it was missing parts, and also was a 3 phase setup, but still opted to go for it. Doing a compressor setup my own way sounded super cool.

Turns out, the pump was seized, doh! I ended up taking it apart and found the low pressure side piston rod was stuck to the crank... After enough lube and sweet talk, I got it loose. It's not spinning as freely as the other rod tho. I know it's not right. But is there anything I can do to get her moving free again? It's an old pump, a 5Z641, and I have not had any success locating replacement parts for it or cross referencing it to a CH pump. I'm going to get some oil tomorrow and just keep working at it until I'm either tired or it or she starts dancing.

Also, anyone local need a 5hp, 3450rpm 3 phase? I did some digging on VFD's and the likes... And I think it's a bit more than I'm wanting to spend to do it right. If I'm wrong, please feel free educate me lol. Also, I'm still in the process of setting up my home shop, so mind the lack of organization!

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[American Locomotive]

About the most you can do is polish up the crank to remove any galled metal and hope it doesn't knock too bad. Realistically it will need new rod bearings at the minimum (or rod, if it's an aluminum rod with no bearing shells)

 

[markhm]

The part number on it indicates it was sold thru W.W. Grainger.
Get in touch with them and see if they can give you a parts list or manual for it and see if they still sell parts. If they no longer sell parts for it, maybe they can give you the SpeedAire model number so you can search further. Good luck!

 

[KillNThrill24]

Well I'm feeling a tad discouraged, and even went so far as to throw it back my truck to try and beat them down on price a little bit, or just flat out return it. I'm having second thoughts on returning it, however. As I have been reading reviews on newer compressors and they haven't left me feeling confident on their long term reliability. I paid $600 for this thing, and I'll need to dump the motor and go single phase, or run a vfd. And now I need a pump. I'm seeing standalone tank prices all over the price. What do you guys think?

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[badss98]

I redid my 60 gallon that was not pumping up at purchase and was able to keep the cost to 400 total so I would say you need to get the price reduced allot or it looks as if you might be in for a grand or more and that would be if you found reasonable prices on pump and motor. You really are just getting a tank right now.

 

[KillNThrill24]

I redid my 60 gallon that was not pumping up at purchase and was able to keep the cost to 400 total so I would say you need to get the price reduced allot or it looks as if you might be in for a grand or more and that would be if you found reasonable prices on pump and motor. You really are just getting a tank right now.

These are my exact thoughts at the moment. 600 bones for an air tank. While it's a cool retro (if you consider 1994 retro that is), it's just not worth the cash. The lady has been a Saint with my bad habits, and she supports me fixing this up, but agrees that I need to take it back and either have the price brought down a LOT, or just leave it there.

My alternative, at the moment, would be the Tractor Supply 80 gallon IR compressor. Of which I know has a very hit or miss motor on it. Decent pump tho. However that's a $1099 startup on it. I'm not sure what to do. Guess I'll run it back to them before work and see what we can do.

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[sberry]

This is the price and the risk with used **** already broke and missing parts you don't have power to run.

 

[joe_padavano]

I think I might have tried to turn the pump by hand before buying it...

Look, the reality is that you pretty much paid $600 for a tank and parts of a pump. The motor does you no good and you'll have a hard time selling a 3PH motor.

 

[finn]

This is the price and the risk with used **** already broke and missing parts you don't have power to run.

Exactly correct. There is a cadre of posters here that enjoy the chase for used tools and equipment. If I have to pay more than twenty five cents on the dollar for used, I pass now.

I have too much half worn out stuff already to not dig a little bit deeper and buy new at this stage in life.

 

[pepi]

Well I'm feeling a tad discouraged, and even went so far as to throw it back my truck to try and beat them down on price a little bit, or just flat out return it. I'm having second thoughts on returning it, however. As I have been reading reviews on newer compressors and they haven't left me feeling confident on their long term reliability. I paid $600 for this thing, and I'll need to dump the motor and go single phase, or run a vfd. And now I need a pump. I'm seeing standalone tank prices all over the price. What do you guys think?

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I think you are expecting to much, for an as is sale found on ALL used ****.

Going back to : beat them down on price a little bit; oh man ROTFLMAO

 

[bochnak]

Assuming you can fix the pump for a couple hundred, a new motor & mag starter will be $500 or so + 600 purchase price = 1100+

Worse case new pump of 700 + 500 +600 = 1800

Probably should sell it and just buy a new one.

 

[KillNThrill24]

I think you are expecting to much, for an as is sale found on ALL used ****.

Going back to : beat them down on price a little bit; oh man ROTFLMAO

Thanks for the reply. ROTFLMAO

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[KillNThrill24]

Assuming you can fix the pump for a couple hundred, a new motor & mag starter will be $500 or so + 600 purchase price = 1100+

Worse case new pump of 700 + 500 +600 = 1800

Probably should sell it and just buy a new one.

That's the current plan. Get out of it before I lose my *** on it.

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[joe_padavano]

Exactly correct. There is a cadre of posters here that enjoy the chase for used tools and equipment. If I have to pay more than twenty five cents on the dollar for used, I pass now.

I have too much half worn out stuff already to not dig a little bit deeper and buy new at this stage in life.

It pains me to admit that I'm coming around to this philosophy. I can work on my projects, or I can work on tools I need to work on my projects. I've only got so much free time...

Of course, I DID assemble a frankenpressor and cobbling it together did save me a bunch. I scored an 80 gal tank for $75, a Rolair K30 pump with new reed valves for $150, and bought a new Leeson 7.5 HP 1PH motor on line. Add in the Chinesium mag starter, pressure switch, check valve, motor pulley and belts, and some pipe fittings, and I've got nearly 24 SCFM for about $800. The equivalent Quincy compressor is $2500 plus shipping.

 

[sberry]

I fix some, buy some new. Shopping for used is so much easier today than in the past. Knowing what I do now would have found a used pump for a project I bought new for back in the day.
My wife found this gem on the clis for 50, had a worn out impact and a 1/4 inch reelcraft with it I should try to sell.
Every part on it failed cept the motor and I had to put cord on it. Pump shate, regulator, tank had a hole rust in it where they weld the running gear on. Cost me a day or 2 work.

Its ok now, I fix it all, re plumb it with a connector, remove the reel, replace the pump, took new holes. Repair the reg.

 

[dkmc]

It seems like most guys always assume the tank looks as good in the inside as it does on the outside. Never the case. Always inspect the tank before buying a used compressor. That tank being a 1994 might be totally shot and could also potentially be a bomb waiting to explode.
Ultrasonic thickness testers can be had on EBAY for less than $100.

 

[Skin]

I think you are expecting to much, for an as is sale found on ALL used ****.

Going back to : beat them down on price a little bit; oh man ROTFLMAO

Going to disagree strongly with you here. Whether its broken or not should be clearly listed. Selling a compressor "as is" for $600 or more implies its working. The "as is" disclaimer is usually to protect the seller for after the fact issues. If it was scrap value then i'd agree with you. In this case? Nope. Someone knew that compressor had issues so clearly in the OPs case he got took. If its a clueless second party estate seller/business liquidator or something I'd hope they'd do whats right otherwise I'd be fuming and would have no problem toppling that friggan thing right on their driveway and moving along.

 

[56Safari]

If they’ll actually take it back return it! That’s way too much to spend on a broken compressor.


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[bsaint]

I used to do it all the time, Just buy a rod for ten bucks, clean off all the gauled alumiumum off the crank journal and get her running. Don't worry about if you spent to much or not, you own it now!

 

[KillNThrill24]

Thanks for the replies guys. I ended up dropping it off. They offer a 30 day return due to items being "untested". They were very friendly about it because they said "no problem, it happens all the time due to these things being untested. Let us know if there's anything else we can do." So no issues there. I just figured I'd be in too much to make it worth it. They allow offers on stuff, which is what I meant by beat them down on price.. But the lady and I decided to just move on. I found this.... What do you guys think? Guys asking $1000, 5 minutes from my house.

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[American Locomotive]

Seems like a decent enough compressor. Looks like it's an Atlas Air Force AF8, which retails for $2,000. Rated for 18.4 CFM @ 175 PSI.

Who knows who made the pump though. Atlas just seems to be an importer that sticks their label on stuff.

 

[bsaint]

Seems expensive for what it is! Youre in the land of machinery. When I lived in Bowling Green, good used compressors were aplenty. Whats your budget?

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[KillNThrill24]

Seems like a decent enough compressor. Looks like it's an Atlas Air Force AF8, which retails for $2,000. Rated for 18.4 CFM @ 175 PSI.

Who knows who made the pump though. Atlas just seems to be an importer that sticks their label on stuff.

Yep that's exactly what it is. I know nothing of them, but he has a 1725rpm baldor on it, and that alone made me happy. Pump, I cannot find a damned bit of info on unfortunately.

Seems expensive for what it is! Youre in the land of machinery. When I lived in Bowling Green, good used compressors were aplenty. Whats your budget?

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Cleveland is a great place to live for machinery/industrial purposes. I even work in a steel mill. As far as budget, the wife said I can go to $2000. Problem is, I don't want to spend $2000 lol. But if I need to in order to get one that lasts a lifetime (or close to anyway), then I'll **** it up.

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[Tracs]

I used to do it all the time, Just buy a rod for ten bucks, clean off all the gauled alumiumum off the crank journal and get her running. Don't worry about if you spent to much or not, you own it now!

This was the most sound advice yet. First I would have went back and told them it was seized. Then asked for 75% refund, then I would have replaced the rod and sold it for $800.

 

[KillNThrill24]

This was the most sound advice yet. First I would have went back and told them it was seized. Then asked for 75% refund, then I would have replaced the rod and sold it for $800.

They didn't seem all too interesting in haggling after the fact. They offered to get me a different compressor, but I didn't see anything else that really stood out to me. I was unable to find parts for the obsoleted pump when I looked online. The crank was discolored and had some nice grooving in it. I'm not confident enough in my engine building abilities to risk putting it together for someone else and have it potentially blow. The cross etching in that cylinder wall was also gone, replaced by the unmistakable wear marks. Piston as well... Not to mention most of the gaskets were trashed. It was just more than I was wanting to work with unfortunately.

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