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Forum topic by Bill White posted 01-16-2016 11:20 PM 507 views 0 times favorited 10 replies Add to Favorites Watch
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Bill White

4456 posts in 3425 days


01-16-2016 11:20 PM

Topic tags/keywords: resource

After 37 years, the old Craftsman comp. is startin’ to make funny noises. Rebuild motor/comp., or go with a new unit? It is an oiled pump, Leeson motor (good), tank is sound, dials have been replaced.
What say you fellers? Maybe bearings in the motor?
I’ve looked until I’m blind at new compressors. They are all (what I’ve seen} China stuff. Wahhhhh!
Your thoughts? Opinions?
I would prefer oiled pumps due to lower noise levels.
Bill

-- bill@magraphics.us


10 replies so far

View teejk02's profile

teejk02

424 posts in 590 days


#1 posted 01-16-2016 11:50 PM

Guessing it is a belt drive? Bearings in the pump? I’d take the belt off and check for any play on either the pump or the motor. I agree with your assessment of stuff sold today (especially the tanks) so I’d try to fix it before I bought new. New motor won’t kill you. The pump might need a machine shop to replace the bearings (assuming it is in otherwise working condition…pumps up to pressure, etc.).

View JoeinGa's profile

JoeinGa

7482 posts in 1472 days


#2 posted 01-17-2016 12:05 AM

If you buy a new one, keep the old one. You can daisy-chain the tanks and increase your air volume. Here’s what I did… I can run an air impact gun and even paint a car and have plenty of air so I never have to wait for the compressor to catch up.
.
.

-- Perform A Random Act Of Kindness Today ... Pay It Forward

View MrUnix's profile

MrUnix

4230 posts in 1664 days


#3 posted 01-17-2016 01:02 AM

What say you fellers? Maybe bearings in the motor?

Maybe… and given the age, they could certainly be on their way out. Fortunately, motor bearings are pretty easy to replace, and you can usually do it without any special tools. Might not be a bad idea to go ahead and open it up anyway, just to clean it out… if it’s in a dusty environment, it’s probably got a good bit of accumulated who knows what in there :)

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

View woodbutcherbynight's profile

woodbutcherbynight

2440 posts in 1874 days


#4 posted 01-17-2016 01:50 AM

I would find what is wrong and see how much to fix verses a new one. Like the others mentioned the new ones ain’t all that.

+1 Joeinga, that worked for me as well until I got an insane deal on a 60 gallon Snap-On and that was say 12-14 years ago. Just changed the oil and gave it a new filter, tightened the belt and drained the tank. Works great,. Can’t beat free….. LOL

-- Live to tell the stories, they sound better that way.

View devann's profile

devann

2201 posts in 2157 days


#5 posted 01-17-2016 02:05 AM

It depends. What’s making the noise? Motor or pump? For me the pumps wear out sooner than motors. If you have to replace the pump take note overall dimensions. I replaced one once and had to make spacers to mount the pump on so I could reuse the existing plumbing to the tank and controls, belt, etc…

That being said if it’s the motor I prefer a Baldor over a Marathon motor. I’ve seen my brother replace three of them to my one Baldor. Never had a Leeson. If the Leeson has lasted you that long and can’t be rebuilt I’d get another one.

Brad brings up a good point about the dust. I just had to replace the bearings in my miter saw motor. It seems the dirt daubers moved into the belt drive cover and caused the motor bearing to fail. It was gradually making a funny noise until one day I went to use it and it sounded like rocks in a hubcap. I threw away the belt drive cover and made one out of expanded metal. The dirt daubers might be getting to your electric motors too.

-- Darrell, making more sawdust than I know what to do with

View pintodeluxe's profile

pintodeluxe

4858 posts in 2278 days


#6 posted 01-17-2016 04:59 AM

I had a Speedaire for 25 years. When the tank finally developed a pinhole leak that could not be welded, I went shopping for a new compressor. I bought another Speedaire, which is Graingers house brand. I got the 26 gallon vertical, which will do everything I need it to, including spraying. They are oiled compressors with cast iron heads.

I was impressed that after 25 years of regular use, the motor and compressor head were still in good shape.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View devann's profile

devann

2201 posts in 2157 days


#7 posted 01-17-2016 05:26 AM

pintodeluxe, how many hours a week does your compressor run?

-- Darrell, making more sawdust than I know what to do with

View JoeinGa's profile

JoeinGa

7482 posts in 1472 days


#8 posted 01-17-2016 02:41 PM


+1 Joeinga, that worked for me as well until I got an insane deal on a 60 gallon Snap-On and that was say 12-14 years ago. Just changed the oil and gave it a new filter, tightened the belt and drained the tank. Works great,. Can t beat free..... LOL

- woodbutcherbynight

Well, this comes 12 years late, but you get the BIGGEST YOU SUCK for that deal ! And having been a Snap-on Dealer, I KNOW that was not a cheap compressor !

-- Perform A Random Act Of Kindness Today ... Pay It Forward

View dhazelton's profile

dhazelton

2325 posts in 1761 days


#9 posted 01-17-2016 03:19 PM

Depends on what is wrong with your compressor and the condition of the inside of the tank. My 1990s Sears has a compressor built by Devilbiss and it’s a great unit. If I’m faced with buying a new tool I always pull the old one apart first to see if it’s something I can fix myself.

View woodbutcherbynight's profile

woodbutcherbynight

2440 posts in 1874 days


#10 posted 01-17-2016 04:11 PM

Well, this comes 12 years late, but you get the BIGGEST YOU SUCK for that deal ! And having been a Snap-on Dealer, I KNOW that was not a cheap compressor !

- JoeinGa

ROFLMAO I am going to have to make this award and post it. Then anytime someone wants they can use said pic and post it as well. LOL

-- Live to tell the stories, they sound better that way.

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