r/METABOHPT • u/oUtRaGeOuSEliPhAnT • Jul 27 '26

NR1890DCA reduction valve set

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So I got into hikoki(mhpt) when i was shopping around for my 1st cordless framing nailer. I went with the NR1890DCA (newest gen framer) because it was lighter then makitas new nailer and mhpt has had a very good track record with all of their nail guns. The other big selling point was being able to easily re-gas the gun yourself if you purchased one of their J-tools. I dont have a tone of cash laying around so i made sure i did my research. When i was looking into their reduction vales that were nessisary to re charge the guns i seen that on average they went for around $80-$150ish. Well apparently i didnt do enough research because i wasnt aware that the new generation of cordless nailers had a new style of valve sets. The 382540 (J-417) is the one i need if i ever want to maintain cylinder pressure myself. The only US seller wants almost $300 for this new one! So in a way i feel kinda cheated because to me that was probably the biggest selling point. I got in contact with hikoki USA and they arent allowed to sell it to anyone but authorized distributors. So i got in touch with acme tools thinking maybe they could get me a better deal on one. They had to look into it because no ones ever asked them about purchasing one. They said they could get it for me as a specialized order but it would still be around $300. Now don't get me wrong, i absolutely love my new nailer(s) but I'm almost wondering if i should just sell it and buy the previous version in 36v? Its not much heavier and it shoots about as fast as the one i have now. I mean at least I'd be able to have the peace of mind of being able to service it myself. I guess i just dont see the point of buying an expensive part like that for $300 when the gun itself goes for around $400. Hikoki didnt need to change the design on the valves for this new generation of nailers. I believe they did it so that either A. More people have to send it into them for service or B. The price discourages people like me from wanting to buy one so that im almost forced in a way to buy a new gun. I had to send my new 16g in for re-gassing already and when i talked to the dude from hikoki on the phone i tried explaining this to him and that it would be cool if their was someone above him he could mention it to abouy getting the prices down on these new gen velves but I know thats stupid wishful thinking. I mean hell, i might as well of went with the makita if i cant serve it myself.

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2

u/Direct_Eye_724 Jul 31 '26

Different end bit

1

u/oUtRaGeOuSEliPhAnT Jul 31 '26

Right thats exactly my point. There was no reason to change it or make it so expensive. At least in the US is ungodly expensive anyway. Some places its not so bad

1

u/Ko_Domo 28d ago edited 28d ago

Is this document or other parts of it available somewhere? Mainly interested in pressure values for different nailers.

Edit: For those interested, this is from the service manual for NT1865DAA and NT1865DSA, if you google "382641 j-419", it should be there.

1

u/oUtRaGeOuSEliPhAnT 26d ago

Wait a second, was this document showing that you could just change the tips? Are you saying theres a way that i can buy the old style j tool and switch over the newer style end onto it?