Ask a question about optimus 930 pressure and red tube

hi everyone,

I want to ask you a question.
I have an optimus 930,
Use a 200cp nozzle and a 350cp mantle.
If the pumping pressure is >1.2 bar, everything is fine,
If the pressure is <1.2 bar, red tube will occur.
I don't know if it's normal? Generally speaking, what is the working pressure of optimus 930?
If it is not normal, how to adjust it?
I have changed the nozzle, J tube, 250/350 mantle.

thank you all

 

Hi!

Welcome to CPL.

If You search the forum this has been discussed in fx this thread: Optimus 930 Carburation

Good luck

 

Thank you.