Daystate LC110 problem

Hopefully some of the knowledgeable folks here may have the answer.

I would contact the seller first, but you may have better luck contacting Nuvair like another member did. My approach would probably be on the lines of, I am interested in purchasing parts to get my compressor operational again, could you help identifying which parts I need?

Dont own a day state but do own a yong heng and hatsan lighting and when they wont fill pass 3000 psi, it's always the high side piston seal. It gets own out or damage and wont compress to 4500 psi. I'm sure the day state has a high piston seal too. Probably want to check the seal/ring on the high pressure side. Shipping these heavy compressor will cost over $100 to ship.

Val,

Maybe the last stage valve and not the piston seals. Each stage basically has a check valve on the exit from that stage. If the valve is cracked/ broken it will not build pressure in that stage.

An easy way to trouble shoot it would be to disconnect the output line the the next to last stage, and then back pressure the compressor with tank pressure. (compressor off) if you get air out of the opened line then the that last stage valve is most likely broken. May need to turn the compressor over my hand to get the last stage piston at BDC too.

Any luck with your compressor?

Very first check should be the drain valve on the separator. They have a hard plastic seat and after running a little while, they soften a bit and need to be tweaked.
Next, check the filler to see if it is leaking through the o-ring at high pressure.
Next check you have already done ... soap bubble check of fittings and lines.
After that, drain the oil and inspect what comes out. If it is clean and clear oil, cool. If it has any metal chunks or flakes, something has given way or is about to.
After the oil is drained, pull the valves to inspect for anything blocking them open.

If the above don't find the problem, then one of the cylinders might have a ring alignment problem (rare, but can happen) or has broken. The 4th stage doesn't have rings ... only oil grooves and very tight tolerances on the piston/cylinder.

If you have to send it back, send the whole unit ... not just the pump. In order to test it, they have to pull a pump portion off of another compressor and install yours. When done, they need to pull yours off and put the "test bench" back together. You might be responsible for that labor time since warranty requires the whole unit. And, right now, compressor labor is $125 per hour and you are looking at about two to three hours. It is cheaper to ship. Oh, and use freight instead of UPS of FedEx since those guys are notorious for dropping or even tossing boxes. And if you take your pallet to the freight terminal rather than having them pick it up, it is usually cheaper than UPS or FedEx as well

Good luck!



Ray Contreras - Owner - CompressorStuff.com