Okay i did a not so smart thing. i did a major overhaul of the interneals without testing after each upgrade. Know my marker want recock. its sputering like it does when ur about out of air(and i am not out of air).

first off i bought a g-loader modded marker from tybalt762. put a red dot on it, palmer stabalizer, stock, and used my empire 3 peace kit on it. It worked beautifully. the i decided good wasnt good enough and since this was my stealth marker i would do some more upgrades.

here is what i did that screwed things up. polished the internals with a brillo pad, replaced the hammer with a tech t zero kick (also used the spring they sent with it), reaced the power tube and bolt with one from rap4, and since i had the valve out i lubed the o rings on it(100 percent positive i reasembled the vaulve correctly).

now i have sputering and no re-cock. so my plan of attack is to put all the stock parts back in and test to make sure the polished interenals are okay and then put the aftermarket parts in one by one and test after each. This looks to be a lenghty process.

any operating experience that might point me in the right direction without having to do this lengthy trial and error testing?

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i'd start by tossing the stock hammer back in and check it.

Agreed 100%. The lower-weight hammers sometimes just don't have enough force to open the valve all the way to release a full charge.

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I've seen what you're describing first-hand and I'm almost positive it's the new hammer.

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well i would 1st check if im getting enough pressure. you might have air but sometimes, if you have a regulator or something, you might be holding the air back. check that 1st?
then i would put the stock hammer back on to see if it works out.

but im pretty sure these guys are right about the hammer

Since it hasnt been brought up. Make sure you didnt accidently swap the cocking spring with the rear spring. It can cause sputtering and noncocking.

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You may also want to check your sear. When I got a TecT ZKH, my stock hammer was pretty worn out. Found out after I got the new hammer that my sear was worn out as well.

First Try: Take the marker apart, pat down the o rings to get the excess oil off of them. Reassemble, adjust your palmers about half way down, then slowly increase it until the marker cocks.

**The cocking issue with the TechT mod is something that multiple users have had a problem with. Trade back to the stock bolt if you still have it. If this fixes the problem, but you still want to go with a lighter rear hammer, go with the Engler hammer.

My bet is on the rear hammer. I believe there is a fix for this, but I've only glanced at the thread once. You may have to dig through the ZKH threads to find that solution.

Second Try: The sear is another option I've heard of. Unless you play every weekend for several hours, your sear will not wear out for a few months (although I'm not sure if that is a quality issue on the gen3 a5s, the gen1 and gen2 don't have a wear out issue to speak of).

Third Try: A spring kit for your rear spring. Buy a few kits to see what works.

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if you want to use that zero kick hammer you could try to put a heavier drive spring in it. but if you dont and want to get rid of let me know how much you want and if it is reasonable we can talk from there

okay did some rouble shooting this weekend. here is the update.

put all the stock peaces back in and the problem remained. took the power tube and valve out and swaped with another one of my a5s. plroblem fixed.

swapped the powertube and valve with a different set. power tube checks out valve doesnt. so i have a bad valve now what? im positive it is assembled correctly and the only thing i have changed is i lubed the o-rings in it and replaced the one that sits closest to the tombstone.
so thats the valve problem i have.

back to the aftermarket peaces. so with a diffrent valve in it the marker was working fine with all the stock parts and polished internal. i swaped the power tube. everything okay but when i put the zero kick back in it started multi firing. this time it would fire 3-6 shots and recock itself which it wasnt recocking itself before when i had the troubled valve in it.

what next guys. valve help and zkh help please.

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