Remove the coupling and screw the turbo straight onto the tube 1/4"bsp
What he said.
You have one of these don't ya?
You might need to put the lance in a vice or use one of these, a pipe wrench;
Whip off the female quick release and take off the male quick release from the turbo nozzle.
Get some PTFE tape and tape the thread on the end of lance and nip up the turbo hand tight, you don't need to nip up with a spanner;