Yes Chris, sorry my photos are pants
The tube inside I just could NOT remove, it is screwed in but in the end a Dremmel and cutting disc sorted that out.
The elbow on top was capped along with the outlet port on the regulator.
I also purchased a section of hose and quick release couplings (the inlet port needs an adaptor) I just took the lid to our local HypeHose Shop and explained to them what I wanted and it was all sorted in 10 min.
Back home fitted everything with white (PTFE) tape and it was on test for 48 hours.
Ran it all up to 40-psi and left for 24 hours, no loss of air at all left it for another 24 hours and still no drop & the compressor wasn't attached....
Since then I have been so busy getting my daughters new flat decorated not had the opportunity to have a play