Lucas C40 Generator/Dynamo Rebuild | Roundtail Restoration

My original Lucas dynamo developed an abnormal noise towards the end of last driving season. Figured it needed a rebuild, so I tore into it, tested it all, and rebuilt it. We'll see how it behaves when the driving season starts!

Want to see all of the body restoration of my 1966 Triumph Spitfire? This playlist starts shortly after engine rebuild and goes through completion:    • Triumph Spitfire Restoration  

Want to see my engine rebuild of my 1147cc Triumph Spitfire motor? This playlist covers most of it:    • Triumph Spitfire Engine Rebuild  

Want to see other random technical videos, not exclusive to my Triumphs? (like generator testing)?    • Technical Videos  

0:00:00 Intro
0:00:39 Assessment
0:03:12 Cleaning Prep
0:03:28 Initial Electrical Testing of the Field Coil
0:06:37 Field Winding Teardown
0:07:22 Unwrapping the Field Windings
0:08:40 Prepping the Field Windings for Wrapping
0:13:48 Wrapping the Field Windings
0:16:25 Testing the Field Windings
0:16:51 Removing the Rear Bracket Bush
0:21:46 Electrically Testing the Rotor (Armature)
0:26:08 Undercutting the Commutator
0:27:23 Installing Driving End Bearing
0:31:31 Rear Bracket Bush Installation
0:33:09 Attaching Field Winding Connectors
0:38:06 Installing the Field Windings in Case
0:38:30 Dry Fittings
0:39:13 Stuck Rotor?
0:40:35 Forgot the Bracket Assembly
0:40:51 Solution for Stuck Rotor?
0:41:57 Front Bracket Assembled to Rotor
0:42:51 Nope, Still Stuck
0:43:47 Damn Pole Pieces
0:44:05 Brush Installation
0:45:48 Rear Bracket Installation
0:47:34 WFT?!
0:49:15 Bench Testing
0:50:39 Final Test