Dynamo brushes E3HM

Started by Drew, 27 Mar, 2022, 17:04

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Drew

Hi all. I need to replace the brushes in the dynamo. It appears that the model of the dynamo is an E3HM. Would the brushes be the same as those in an E3L, E3N and E3LM? Looking round ebay and there aren't any brushes listed specifically for the E3HM.
Anyone know what the difference is between the models?

Many thanks,
Ian
Things to do:
1. Learn to start a B31        *DONE*
2. Get a motorcycle license  *DONE*
2b. Rebuild carb & dyanmo
2c. Fit indicators
3. Hit the open road...

cdsdorset

Just give APL magneto's in shaftesbury a call. He will sort you out.

idie

I think you will find that the same brushes fit all.

JulianS

The E3H brushes are smaller than the E3L.

Below from the Lucas master catalgue 1936-57 gives part numbers and dimensions for the various brushes.

idie

One can always make the brushes smaller.

Derek996

Quote from: idie on 27 Mar, 2022, 21:07
One can always make the brushes smaller.
Correct. I couldn't find brushes for an E3HM anywhere so filed down E3L brushes to fit. Very easy.
1948 BSA ZB32 Competition
2015 Ducati Scrambler Classic

Drew

Thanks all, Julian especially as that table of the various brushes helped no end. New brushes arrived this morning and look to be the right ones.
Cheers,

Ian
Things to do:
1. Learn to start a B31        *DONE*
2. Get a motorcycle license  *DONE*
2b. Rebuild carb & dyanmo
2c. Fit indicators
3. Hit the open road...