[Milsurplus] art13 ballentine dynamotor

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folks
i am getting ready to put my art13 setup together with the dynamotor. this one is not marked dy or dm rather just part no 502 D3COA. manufactured for collins.  the commutators look good. i would like to lube the bearings but it is marked "note do not lubricate". when i took off the endplate and the fiber seal the ball/rollers were not visible. is there anyway to get some lube or even oil in there?  even though its sealed could something from 70 years plus retain oil in the grease? it does spin ok just a little bit of drag from the brushes

also as to the art13 are there any things i should replace beforehand like caps ? i saw the info from mike hanz's site so i will grease and lube the various parts of the autotune

thanks. jeff kg2bz

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