Yes thanks.
The biggest stumbling block was my problem trying to work around D jet until I realised it was K jet.
My mechanic was amused, I was red faced.
Plan now is tomorrow after the unit is back in place there will be 3 of us. One on the ignition key for on/off. Me on the FD with spanner and one with the fire extinguishers on hand.
All joints checked and then ignition on. Check for leaks. Gently loosen each outlet and check for no gasoline feed, engine not started.
Gently depress the air sensor plate and slowly loosen ports one at a time to check for gas.
If they all show gas then switch off go for a coffee sacrifice a couple of pigs then go for engine start.