Has faulty CO2 regulator blown my welder ?

[Jonny M]

I've been using CO2 with my B&Q Rockworth welder for a while

Even cracking the CO2 valve a tiny amount seems to cause the (7bar) regulator to make a strange blow-off noise, and now the valve doesn't hold pressure back, and the gauge is locked on 1bar even without supply

New regulator is only £25, I'm more worried about my welder now!

Even blowing through the supply tube causes air to come out of the tip; it's like the seals have blown?

I've resisted the urge to open it up and see; figured I'd ask the experts first!

Is it a valve or seal, controlled on the trigger, or inside the machine - any tips where to start appreciated.

Jon

 

[voipio]

Sounds like the regulator is knackered and has damaged the gauge on the regulator and the solenoid valve in the welder (I assume it has a solenoid valve). Not the end of the world. Worth checking the tubing for leaks also.

 

[Jonny M]

Air is coming out at the tip without trigger pressed.

I wasn't sure if it was a manual valve on the trigger, or a valve in the machine?

Sounds like I'm looking for a solenoid valve to start with then?

 

[Robotstar5]

Air is coming out at the tip without trigger pressed.

I wasn't sure if it was a manual valve on the trigger, or a valve in the machine?

Sounds like I'm looking for a solenoid valve to start with then?

I suspect a B&Q welder would have the manual valve on the trigger, open the handle and there should be a brass block with the gas pipe connected to it.

 

[grandads_shed]

i would look inside the torch first to see whats what ,,