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post #1 of 56 Old 09-23-2018, 07:07 PM Thread Starter
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Intermatic Speedy Air Compressor

So, yesterday my mother and I started cleaning out the storage building/shop that is at my Granny's old house and I brought my Pawpaw's air compressor home with me to clean it up and see if it worked. My Pawpaw passed away in 1984 and this air compressor had been sitting in his shop untouched for all those years since his passing. I never messed with it, and had never even seen it work, so I had no idea if it even worked or not. Well, today I found out that it does work. I clean up all the years of dust and debris off of it, checked the oil in the compressor, plugged it up and, oops, tripped a breaker. I reset the breaker and tried again, and tripped again. I could see the pulley at the compressor was trying to rotate so I sprayed some wd40 on the pulley shaft at the compressor and also sprayed the shaft at the electric motor and tried again. This time she started up, and was running really well. I shut it down and tried it again a few times and she started up just like it should. I then let it build pressure and it shut off, I then bled off the pressure and she started up again just as it should. I'm so happy that after all of these years, my Pawpaw's compressor is working again.

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post #2 of 56 Old 09-24-2018, 10:09 AM
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Re: Intermatic Speedy Air Compressor

Welcomed to the forum, Marty.

Love stories like this one. Sure looks to be in good condition for it's age
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post #3 of 56 Old 09-24-2018, 07:15 PM Thread Starter
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Re: Intermatic Speedy Air Compressor

Thanks. Today I took the shroud off and checked the condition of the belt and cleaned up a couple of small areas that I couldn't get to with the shroud in place. The belt is in fantastic shape and even as old as it is, I think it will last a little while. When the belt does finally wear out, I would assume that I wouldn't be able to find an OEM one. I am just really happy to see my Pawpaw's old compressor work, he always took care of his things and now I am taking care of his things and that's a great feeling. Here are some pics of various labels on this compressor.

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post #4 of 56 Old 09-25-2018, 06:56 PM
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Re: Intermatic Speedy Air Compressor

I have the same air compressor , mine is red and came from quality farm and fleet (now out of business). Bought mine in 1980 the year I was married. Is still running and working fine . Those old compressors with the crank case with oil in them ,are a lot more durable than the oil less ones.
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post #5 of 56 Old 09-25-2018, 07:03 PM Thread Starter
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Re: Intermatic Speedy Air Compressor

That's great to hear. I'm not sure when Pawpaw got the compressor, but I know it had sat for 34 years untouched. I guess they built things to last back then.

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post #6 of 56 Old 09-25-2018, 07:57 PM Thread Starter
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Re: Intermatic Speedy Air Compressor

Thinking back on it, the other day when trying to start the compressor and tripping the breaker in the power strip I had it plugged into, I don't think it was seized or anything after all, and that the wd40 didn't really do anything. I tipped the whole thing up on its end where the wheels are and some old pecan shells fell out from somewhere. Those shell pieces could've been lodged inside the electric motor causing the motor to not turn. The reason I think this is because when I first turned it on, it hummed. I tipped it up in order to gain access to the motor and compressor shafts to spray the wd40 on them. I guess it really doesn't matter, after the debris fell out from wherever it was and I tried it again, it started up with no problems. Awesome!!!! I never realized that I would be so excited about this air compressor, but there ya go.

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post #7 of 56 Old 09-25-2018, 08:40 PM
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Re: Intermatic Speedy Air Compressor

Right about the WD40 most likely mis-leading. (most likely a pecan hung up.
I've got couple similar to your rig that is old also.

Just some hints and suggestions:

You need to check the tank drain. May have water inside the tank.

Change the oil on the compressor and do not overfill. I use O'reillys 30w ND (non detergent) in my small compressors.

I put screen wire over the ends of the electric motor on mine to keep out dirt daubers.

If your is a v belt, (instead of a flat surpentine) if you don't know the size you can take a cloth tape measure and go around the OD of the belt to get the length. I use Kevar belts on mine with really good results.

Sounds like yours is probably wired for 120v use and the power strip won't be user friendly for the compressor. I wire mine for 220v, but mine are used stationery. Keep in mind that whatever the motor nameplate FLA or running amps listed, the motor draws briefly approx 6 times that much when starting so most 120v have to be on a 20 amp breaker and a short electrical cord when wired for 120v. (due to high staRTing amps)

Yep, those type compressors were built to last awhile with just little bit of TLC.

Eventually check the compressors intake air filters also.

You might find a parts lists for just the air compressor PUMP if you can ID it's model.

Some were made by Sanborn.

Be careful with that plastic knob air regulator, if you crank it in too hard the shaft will strip. (that regulator is kinda wimpy) I leave my regulator that looks like that one stationery and use a external regulator.

ALWAYS unplug the cord when working on the rig and always re-install the belt guard. They can take off big meat really fast and easy.

Next thing also that some forget. (or don't realize) If the compressor is in the middle of a pump cycle and electric power fails, they do not unload, when elec is re-stored and it tries to start it will trip the breaker or smoke the motor if the motor is not strong enough to start under load.

Last edited by Forest Gump; 09-25-2018 at 08:53 PM.
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post #8 of 56 Old 09-25-2018, 08:57 PM Thread Starter
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Re: Intermatic Speedy Air Compressor

Thanks for the tips. There is a sticker on the handle end of the tank that says to remove the drain plug and drain any water after each use. This compressor will now be in a more secure and tighter building, no rodents or bugs in the building.
When it comes to the oil, I assume that when refilling with fresh oil, I would add just a little at a time until the oil reaches the dipstick. When I checked the oil the other day, I didnt see any markings/measurements on the dipstick, so how do you know how much to add?


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post #9 of 56 Old 09-26-2018, 01:46 AM
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Re: Intermatic Speedy Air Compressor

I would suggest getting a drain plug that makes it easy to drain.

I spent $10 on a drain plug that is a "wobble" style, so it has a little post that when it goes sideways a little, it opens up, and then it came with about a 6' metal cord, so now I just walk by my 60 gal upright tank/compressor, tug on the cord until air comes out, and done.

Works great, only change I want to make to my setup is to make a larger trap under the tank, so the water is in the trap, which is cheap and easy to replace if necessary, instead of collected at the bottom of the tank right at the drain port. This mod would probably be a little overkill for your tank (or maybe just use a small one?)
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post #10 of 56 Old 09-26-2018, 05:06 AM Thread Starter
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Re: Intermatic Speedy Air Compressor

Here is the drain plug on mine, I assume that unscrews. I haven't actually removed the drain plug yet because I haven't run the compressor for very long yet, only ran it to test it out and bled the air off at the safety pull valve. So, I guess that when I use the compressor and am finished, I should just open the drain and the air will bleed out that way along with any water, is this correct?

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post #11 of 56 Old 09-26-2018, 09:23 AM
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Re: Intermatic Speedy Air Compressor

About the drain.

On my small tank compressors like yours I just install a radiator type brass drain and usually use one that has a 90 degree nipple to connect a hose so the water can be drained into a small pan.
You can pull the safety air pop off valve and bleed all the air out of the tank then remove your drain plug and let it drain then loosly re-install so as it will bleed around the threads when the compressor is running.
Do not try to remove the plug with more than 20 lbs in the tank because they can come out with force and maybe even a oil muck/mess. Most of the tank drains are 1/4 Male pipe Thread. (MPT)
You will find that when using a radiator type brass drain that you need to leave the drain just snug not tight to prevent it seizing and it will eventually over the years clog up need cleaned. If you tighten it down tight you will not be able to get it loose next time you go to drain the tank. I even let mine leak little bit when re-closing and they will eventually quit leaking air own their own and be easier to loosen the next time.
On a small compressor that is not used much you probably will only have to drain about once or twice a year. The water comes from heated air condensate as the pump is running and will be worse during high humidity weather when the pump operating.

AND
You may know this but if not
[COLOR="Blue"]NEVER EVER apply heat or weld on a air compressor tank so as to weld up a pin hole, etc..[/COLOR] You will be welding on a bomb.
If a tank has a rusted pin hole the tank needs to be replaced if a threaded screw cannot be used to seal the hole.
Most generally a oil coating is inside the tank and can ignite when heated.

Post up a picture of your oil dipstick area and the compressor pump?
Maybe we can answer your questions.

Do you see a model number anywhere on the rig,
usually a tag on the tank with the name and model?

Last edited by Forest Gump; 09-26-2018 at 09:30 AM.
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post #12 of 56 Old 09-26-2018, 09:40 AM
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Re: Intermatic Speedy Air Compressor

Quote:
Originally Posted by dave_r View Post
I would suggest getting a drain plug that makes it easy to drain.

I spent $10 on a drain plug that is a "wobble" style, so it has a little post that when it goes sideways a little, it opens up, and then it came with about a 6' metal cord, so now I just walk by my 60 gal upright tank/compressor, tug on the cord until air comes out, and done.

Works great, only change I want to make to my setup is to make a larger trap under the tank, so the water is in the trap, which is cheap and easy to replace if necessary, instead of collected at the bottom of the tank right at the drain port. This mod would probably be a little overkill for your tank (or maybe just use a small one?)
Can you post up a part number for your wobble drain?
I have a stationery upright 80 gal tank that could use that type.
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post #13 of 56 Old 09-26-2018, 01:57 PM
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Re: Intermatic Speedy Air Compressor

This is the one I bought: https://www.kmstools.com/rolair-drai...ull-cord-98118
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post #14 of 56 Old 09-26-2018, 02:27 PM
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Re: Intermatic Speedy Air Compressor

Quote:
Originally Posted by dave_r View Post
Thanks. I ordered couple
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post #15 of 56 Old 09-26-2018, 04:30 PM Thread Starter
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Re: Intermatic Speedy Air Compressor

Here is the label with the model number. I looked again at the dipstick and I see now that there is a flat end that is the measurement for the oil level.

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