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Forum topic by Mark4Runner posted 09-03-2015 02:02 PM 498 views 0 times favorited 4 replies Add to Favorites Watch
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Mark4Runner

1 post in 464 days


09-03-2015 02:02 PM

Hello Everyone,

This is my first post as I am brand new to Lumberjocks. Just retired so I’m now setting up my woodworking shop. I have a question regarding my compressor. I have not used the compressor in a few years and it is about 8 years old. I’m concerned about just starting it up and using it. Does anyone have any tips on what I need to do before starting up when I have not used the compressor in at least 3 years. I’m also embarrassed to say I’ve done no maintenance on the compressor either. At this point I should say I am a novice woodworker, as if that is not already evident. Any warnings, tips and advice would be appreciated so that I can start the compressor up safely and use it. Thanks.

-- Mark C


4 replies so far

View Goatlocker's profile

Goatlocker

58 posts in 1439 days


#1 posted 09-03-2015 02:18 PM

It is going to depend on what type of compressor it is. If it is oil less than you should have no problem starting it up and using it. If it is a bigger model with a belt drive I would recommend at least rolling it over a couple of times to make sure it is not bound up. Open up your drain, unplug it, and roll it over a few times by hand. I am sure there are some compressor experts on here but these things are not rocket science.

-- All tyranny needs to gain a foothold is for people of good conscience to remain silent - Thomas Jefferson

View kaerlighedsbamsen's profile

kaerlighedsbamsen

1177 posts in 1180 days


#2 posted 09-03-2015 02:23 PM

Empty the water out of the tank, make sure the pressure-swich is swiching off at the correct pressure and you should be safe. Oil, valve maintenance etc depending on type

-- "Do or Do not. There is no try." - Yoda

View timbertailor's profile

timbertailor

1592 posts in 890 days


#3 posted 09-03-2015 02:57 PM

I would set the regulator very low. Like 15psi to test to make sure the vessel is sound. They tend to rust from the inside and if you have not serviced it, it would have weakened the vessel.

If it holds air at 15psi, start ramping up the pressure in 10psi increments. I would make sure no one enters the garage during these tests until you reach the pressure you want to work with.

Otherwise, be safe, and have it pressure tested.

-- Brad, Texas, https://www.youtube.com/user/tonkatoytruck/feed

View Bill1974's profile

Bill1974

110 posts in 2452 days


#4 posted 09-03-2015 09:32 PM

If you want to be extra cautious replace the safety relief valve. Probably not necessary.

If the tank is more than a 5 gallons is it most likely capable of holding more pressure than the compressor can produce. The way ASME requires tanks to be made has a large safety factor. If a tank is to normally see 150 psi it can goto 300 psi without an issue. Tanks less than 5 gallons or so have different rules.

If it’s oiled replace the oil.
If it has belts replace them.
If it has an intake filter replace it.
Remove the drain valve from the bottom of the tank is possible to blow out any crap (rust) that may be in it. After you have confirmed it runs, put the drain back in the let it run.

Keep an eye on the pressure gauge and check to make sure the pressure switch cuts out at the appropriate pressure.

Like others have said they are not that complicated.

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