[Milsurplus] Dynamotor Grease

[Brenda Gentry]

For many years I used Lubriplate grease on dynamotor bearings, but now 
use an industrial synthetic. The Mobil One grease is very good, and I 
have used Mobil One 0W-15 engine oil for small gears and bearings with 
excellent results for many years.

    B. Gentry, KA2IVY

On 8/20/25 8:44 PM, Mark K3MSB wrote:
> From other threads I mentioned that I was looking at Dynamotor Whine 
> on my DF Setup.   I swapped dynamotors and the noise with another was 
> greatly reduced.
>
> Reading the manual, I tested the dynamotor armature sections for 
> shorts / opens, and it's fine.
>
> I know I serviced this receiver dynamotor about 10 years ago, which 
> may seem like a long time but I don't use the receiver dynamotors in 
> the shack that often, in fact very little  I was surprised to see a 
> lot of the grease gone so I want to add some more... and yes I know 
> not to pack the bearings with too much grease.
>
> I've been using Mobile SHC 100 Synthetic Grease.
>
> What are you using to grease dynamotor bearings?
>
> 73 Mark K3MSB
>
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