30 years old Craftsman, worried about tank.

My air compressor is about 30 years old and I am worried that the tank may be getting weak from rust on the inside.


Should I be concerned?

It is a sears craftsman 2 HP horizontal tank

Comments for 30 years old Craftsman, worried about tank.

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Jul 24, 2015
Tanks...
by: Doug in s.d.ca

ASME would say you should have it re-certified every 5 years.

Jul 24, 2015
Worried about Craftsman tank
by: Bill

Have you owned it for 30 years?

Did you open the tank drain valve after every use to void accumulated water?

When you drain water from the tank now, is it rusty?

A tough question to give a definitive answer.

For sure piece of mind, replace the tank.

Otherwise, you can use an optic light viewer to enter the tank through the port where the line from the pump enter the tank. All air gone, motor off, of course. With one of those dooies you can actually look inside the tank and see what you can see.

Not many folks have one, but I expect you can rent one fairly inexpensively. Google "inspection camera" to find a bunch.

Bill

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Tank For Craftsman 919.166441

by Scott
(Land O Lakes, FL, USA)

I'm looking for a replacement tank (z-A04840)
Sears Direct doesn't have a clue

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Mar 12, 2015
Craftsman tank
by: Bill

Good advice from Doug.

Have a look at your big box store at the least expensive compressors that have similar sized pumps and motors. Note how they are attached to the tank. See if your pump can be cobbled onto that tank. Often the setups are similar.

You may find that you can acquire a low cost compressor with tank for less money than you can acquire just a compressor tank, particularly if you only want an OEM original.

Bill

Mar 12, 2015
Tanks...
by: Doug in s.d.ca

Ain't cheap.

And probably not available anyway.

Start looking for a broken used compressor, or even buy a cheapie HFT or something, use it til it dies, then swap the tank into the Craftsman.

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919-167780 tank rusty - safe?

by Dave
(Moab, UT)

919-167780 tank rusty, don't know how bad --upright 3.5 HP 25 gal 175 psi

Hi,

Tank on above unit never been drained. Had a spill with the upright model that cracked the air inlet tube at the thread, thus allowing some rusty water to show up while prone.

Got curious and tried water valve to no avail, other than a few clear drops of water.

Let air down to safe range and removed valve, poking screw driver into the tank, thus releasing 1.5 pts. of very rusty water and rust chunks 1/16" thick.

How much do you suppose the integrity of the tank is compromised beyond safety? I know that a tank could begin leaking in a small manner, due to the way rust progresses, sometimes making pits and not merely 'sheeting' over the surface.


Don't want to risk sudden rupture.

thanks,

Dave

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Nov 11, 2015
Rusty Craftsman tank
by: Bill

One way to test the tank is to whack it all over with a rubber mallet. If the tank deforms, nah, don't use it.

Another is to use a hydraulic hand pump, after filling the tank with water, to drive more water into it, monitor the pressure it gets to, and if it doesn't develop a leak, you're good to go.

Or, find a used compressor with a similar sized tank - lots of compressor pumps fail long before the tank does - and plumb your pump to a new tank.

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