12-10-2021, 11:23 AM
(06-10-2021, 10:28 AM)JonE Wrote: Just re-assembling and I could have sworn there was a good how-to on one of the owners clubs. Cornwall just concentrates on the lettering for the switchpanel. Any suggestions?
1. The two "bobbled" rotating brass terminal selector plates I think used to be symmetrical but the wings appear to wear on the side where the contact the centre sprung terminal/post. Is it thus sensible to swap these so the long one is reused to the centre?
2. I also have large (but thin/flexi) insulating washers which fit the bakelite knobs (internal diameter) somewhere but I'm not sure where. Do they go just under the faceplate? or?
here is the asymmetric selector. If they are physically different from the start, then what is the other side actually for? Are they to be used in different ways for each side of the SM5?
I've just found an old Friends forum post here may also be helpful to some: http://pub25.bravenet.com/forum/static/s...4&cmd=show
Hi Jon, I think the switch panel I started the thread with is probably the fourth ( and grottiest) one I've rebuilt. I don't remember there being any washers around any part of the knobs, that's not to say they weren't there from the factory. The Lucas metal protective rear cover for the SM5 wiring seems to be a lot rarer than hens' teeth.
The asymmetric wings on the brass wipers provide the 'stop' at the ends of the knobs rotational travel when they're inserted in the right way round/correct side. If you get that wrong on assembly the first time it should be obvious as the 'sweep' will be wrong.