Question about Porter Cable 2 - 1/2" 15 - Gauge Angle Nailer Kit
Your piston stop has disintegrated. You will need to replace that. It sits inside the head valve and stops the piston before it hits the valve. To remove the valve, use a hard wood surface like a workbench or a cutting board. Cup your hand around the backhead and slam it down on the bench or board. It may take a couple of whacks. It will come out though. You can try prying it out with your fingers, but that is not very easy. You do not want to break it either, but you want to give it a hard enough jolt to dislodge the valve. You will have to replace all the o-rings on the outside of the valve as well as the inside o-ring. Make sure you disassemble the entire cylinder assembly and clean it out good. By that I mean remove the cylinder and cylinder ring and make sure you get all the debris out of there. If you miss some pieces you will have broken o-rings and seals and you nailer will not work after you complete this repair.
Posted on Oct 02, 2009
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Posted on Jan 02, 2017
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