FX Dreamline valve won't seal - mystery solved

[qball]

I'm helping my friend with his dreamline, the valve pin snapped. FX sent replacement valve pin and valve seat, install was easy and done in no time. HOWEVER, I could not get the valve to seal. Every time I put air in the air just rush out the TP. Talked to FX tech and tried a full 250 bar bottle with reg closed and open quickly. Dry fired a bunch of time but still not able to get the valve to seal. Check valve seat orientation and everything looks good, anyone has any tips to get the valve to seal?

Thanks in advance

 

[cfs916]

Have you tried cocking the lever back without engaging it and screwing on the bottle at the same time

 

[qball]

Have you tried cocking the lever back without engaging it and screwing on the bottle at the same time

Yes, tried both open the cocking lever and fully cocked the gun.

 

[cfs916]

Are you sure you installed the valve seat the correct way. If I remember correctly both sides are chamfered. The sealing side has a deeper chamfer

 

[Booder98]

On the outside of the valve seat, it has a wide side, the o-ring, and a narrow side. The wide side needs to be facing out. What cfs916 said. Fat side in that picture is to the right.

 

[Booder98]

Also, one sad fact that I have learned is that you do not want to dry fire a Dreamline with no pressure in the gun. It can damage the block, and you can end up with a $1K balloon inflator.

 

[qball]

Also, one sad fact that I have learned is that you do not want to dry fire a Dreamline with no pressure in the gun. It can damage the block, and you can end up with a $1K balloon inflator.

FX tech suggested to dry fire a couple of times so I assume it's ok if not over doing it. I also made sure the power wheel is on minimum setting.

I have reinstalled the valve seat a few times already, the new version has chamfer only on 1 side. I even installed it backwards just in case and obviously didn't work. I'll try again tomorrow with extra extra silicon grease.

 

[cfs916]

Try cleaning the slot that the valve seat sits inside. I would seat the valve pin by hand before putting on the spring and lock nut

 

[markT]

Parts said something about a series change....

 

[qball]

Try cleaning the slot that the valve seat sits inside. I would seat the valve pin by hand before putting on the spring and lock nut

Thanks, will reinstall today and made sure all is clean. Most likely something small that's out of order, hope to find it soon!

 

[qball]

Parts said something about a series change....
View attachment 384810

Yes, newer dreamline has the longer valve pin and this dreamline has it. I've poured over the diagram so many times and don't see anything out of order. It's really not complicated but I'm stumped! LOL

 

[Bigragu]

Sent you a text, Mr Qball.

 

[markT]

Stuff like this makes a man scratch his head
Edit: Really there’s only three components... Valve pin, seat and body.. Got to be 1, two or all three.. I'd try new valve pin and seat..
Did you lube the O-ring / seat prior to install? What lube? just trying to learn on this one..
No one replied on my request thread about my Dreamlite cocking issue..

 

[bigmike]

Sounds to me like the valve pin and the seat are mismatched and not sealing. I would take some black dry erase marker and put it on the pin face and put it in the seat and rotate it to see if it is making 360 degree contact. I think you would want to see a contact width about the width/depth of the seat taper.

 

[Airgnr_Ind]

Dear mate, I had a similar issue and consequent trouble last year in my Dreamlite 2019 model.. What I realized was that while I made the valve pin seated inside its slot, it moved very very minutely while I was trying to fasten the valve screw. And, it leaked same way as you mentioned when I tried fill up the gun. Subsequently, while I was about two turns before full tightening the screw, I ensured that the valve pin, as visible from valve screw hole, is in exact centre. That worked for me.

 

[markT]

Did you ever get this figured out? Solution?

 

[qball]

Did you ever get this figured out? Solution?

Tried a lot of suggestions and so far no luck. Will try something else before I give up and send it to FX.

 

[markT]

I put a bottle on my Dreamlite 2 weeks ago. When I went to fill the bottle air rushed out also. I turned the SCUBA tank supply valve off then opened the SCUBA tank valve very fast and it ended up sealing. Don’t know if maybe that might get yours to seal.

 

[ThE PuNiShEr]

Помагам на приятеля си с мечтаната му линия, щифтът на клапана щракна. FX изпрати резервен щифт и седло на клапана, инсталирането беше лесно и направено за нула време. ОБАЧЕ не можах да накарам клапана да се запечата. Всеки път, когато пусна въздух във въздуха, просто изстрелвам TP. Говорих с FX tech и опитах пълна бутилка от 250 бара с reg затворена и отворена бързо. Dry стреля много време, но все още не успя да накара клапана да се запечата. Проверете ориентацията на леглото на клапана и всичко изглежда добре, някой има ли съвети как да накарате клапана да се уплътни?

Благодаря предварително

Hi, did you manage to solve the air leak problem? I have a fx dreamline with the same problem, new valve also leaking, apparently not sealing in the saddle cone.

 

[qball]

Hi, did you manage to solve the air leak problem? I have a fx dreamline with the same problem, new valve also leaking, apparently not sealing in the saddle cone.

Not yet, just received a new set of valve and seat. will update when I get some time to work on it.