Been a while since I updated this. Popped it away in the garage for the summer and put it back into service shortly after new year. The roads round here got absolutely trashed from the ice in the cold snaps and I was struggling to navigate my track bike safely round the holes. The big tyres on this mostly eliminated that as a problem as they just bash over everything without breaking a sweat.
Something recently started jumping in the drivetrain. I thought at first it was the indexing gone out of kilter, but I'd not been able to turn the adjuster because it had seized solid from not being touched for years. I'd been regularly treating it to a bit of WD40 with the vague hope that it would free itself off in time. It didn't look like it was out, though, and wasn't making clickety clickety noises, so I convinced myself it might have been the pawls jumping in the freehub. A girl at work recently pulled her classic Shimano one apart and said it was relatively easy to open and that the pawls were just gummed up. I thought I'd have a crack at mine since it wasn't the loosest of ratchets and might need a clean and some fresh lube.
That proved inconclusive. The ratchet and pawls were pretty clean and lubed with a light oil, so I just cleaned it out and put some fresh oil in.
Then thought I’d have a go at freeing the ferrule in the barrel adjuster, so I dribbled a bit of Plusgas into it for good measure. I think I can safely say this wasn’t going to come out by itself. Will have to drill this out.
Then, of course, I managed to ham-fistedly knock the barrel adjuster on the floor and the spring bounced under the washing machine. Found it there AFTER I'd gone through everything else in the area looking for it. Luckily it wasn't too far under and I flicked it out with a pencil.