dewalt radial saw - Woodworking Talk - Woodworkers Forum
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post #1 of 4 Old 05-14-2019, 04:46 PM Thread Starter
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dewalt radial saw

I have a 40 year old Dewalt radial arm saw {bought new }. The roller bearings have become hard to turn. Does anyone have a suggestion on how to lubricate them.
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post #2 of 4 Old 05-14-2019, 07:47 PM
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it's likely the grease has dried up - frankly I'd suggest just getting some new ones.

you should find the size/part nbr of the bearing etched on the side of the outer ring.

if it's A80970 - it's on eBay
or
The Original Saw Co. their part # for the bearing is 400220

see
http://www.hermance.com/Industrial/B...s-for-3512-RAS





but if you want to try....

they probably have a metal shield over the ball bearing sides...?
there is a very slight gap between the inner ring and the shield -

soak them completely submerged in alcohol over night.
you have to dissolve the grease and then wash it out - through that teensie little gap....
repeat as needed.


once they are running free, soak them completely submerged in a light oil - sewing machine type works.
remove, allow to drain.
reinstall.
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post #3 of 4 Old 05-14-2019, 10:23 PM
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Check the track the bearings ride on, run your finger down one of the tracks. Saw dust will accumulate on the tracks and make it hard to pull, I know mine did and I had to clean them every once in a while. The pull felt kinda bumpy from the saw dust buildup.
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post #4 of 4 Old 05-17-2019, 08:26 PM
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Quote:
Originally Posted by TomCT2 View Post
it's likely the grease has dried up - frankly I'd suggest just getting some new ones.

you should find the size/part nbr of the bearing etched on the side of the outer ring.

if it's A80970 - it's on eBay
or
The Original Saw Co. their part # for the bearing is 400220

see
http://www.hermance.com/Industrial/B...s-for-3512-RAS





but if you want to try....

they probably have a metal shield over the ball bearing sides...?
there is a very slight gap between the inner ring and the shield -

soak them completely submerged in alcohol over night.
you have to dissolve the grease and then wash it out - through that teensie little gap....
repeat as needed.


once they are running free, soak them completely submerged in a light oil - sewing machine type works.
remove, allow to drain.
reinstall.
For those that do not know. Black and Decker bought DeWalt radial arm saw company many years ago, then sold it to what became the Original Saw Company but kept the DeWalt name to be used later for all the yellow tools.

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