14-09-2022, 11:58 PM
(This post was last modified: 16-09-2022, 08:54 AM by Jeff Taylor.)
Re your 'speedo actuator arm / extension with hole / spring' - it may be worth joining the 'Smiths Magnetic and Governor Speedometers' Facebook Private Group and seeking advice there. The group is run by Michael Flannery an expert at restoring Smiths speedos and very knowledgable - he'll know the answer.
https://www.facebook.com/groups/2151645781645054
https://www.facebook.com/groups/2151645781645054