When I mentioned them a couple of posts ago, I had also forgotten to post the retaining pins that I had made for the other joints.

I was a little concerned that I had the heads too thick but having looked at the GA and a number of photos, I have them about right.

These, were another little job that was quite satisfying and very therapeutic.

Stepping back slightly Ian Allen posted on the Guild forum that he’d had to add a small piece of brass angle to the rear of the valve guide casting to prevent the valve block from lifting. After making a note of it in my mind to watch out for, I was thinking about the potential problem while shaving this morning and I realised that I had probably solved the problem without realising there was a problem to be solved.

My retaining screw for the combination lever in the valve block is a 14ba steel screw which screws in from the back. The head of the screw protrudes into and slides, in the slot in the rear of the casting which I had enlarged previously.

I had done a similar arrangement on the Princess.