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MG TD TF 1500 - Dynamo Felt / Generator Oiler

What are options of replacing the Dynamo Felt in the lubricator (see image)

I have the spring, and the Cap and luckily, still have grease in the dynamo, but no felt.

Thoughts/Options?




Dean E

Don't know it it's right; I used a piece of the tool-box felt rolled-up and placed it in the spring and use gear oil in the tube.
David Werblow

Abingdon Spares used to carry the felts if you are looking that, otherwise a rolled up piece of the too box felt. Cheers - Dave
David DuBois

If you re bush the generator with the new impregnated bushings, you only need the brass cap for looks as there is no hole for the felt in the bush. But I agree with using the tool box type felt if original replacement is not available. Some boot inter soles are good felt. Shoe store? PJ
Paul sr

I don't know if it's true, but I read somewhere that oil can continue to seep into the sintered bronze of an oilite bearing. If so, then I think it would be OK to keep the felt and soak it with 10 or 20 weight oil which is what I have always soaked them in.

You can heat the oil and it will "charge" them up quickly if you don't have time to let them soak.

From all the advice about keeping the fan belt loose it seems this is a problematic bearing that should be a ball or torrington type instead of a plain or oilite type.
J E Carroll

My Owner's Manual says to use "high-melting-point grease" whatever that is.

Jud

J K Chapin

I found the grease reference as well.

I don't know what High melting point references. I could imagine using a caliper lube, but that is likely even overkill.

Need to replace the felt...

THanks for the advice..

Dean E

Castrol LM Grease
Lithium based, high melting point grease, specifically designed as a wheel bearing grease for use over a wide range of temperatures. Also suitable for general purpose applications
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To be honest, I have always used 20/50 motor oil for the rear dynamo bearing lubrication. Top it up every 1000 miles. Felt wick sits on the Sintered Bronze bearing and the oil seeps into it.
It does not need to be drilled out to expose the shaft.
In 50 years with a TD - not has a problem with this bearing. Even before going to the loose segmented belt :) Thanks Dave B....

Though to be fair - I don't drive her a 1000 miles every year.

R D Jones

If the belt is left as loose as possible then the bushing will not suffer excessive wear. Also, the oilite bushings are porous so any oil (or melted grease) pooled in the felt area will eventually work its way into the bushing as lubrication. I use heavy oil in mine. Just a personal preference.
Steve Simmons

This thread was discussed between 21/09/2013 and 23/09/2013

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