Thickness planer leaving black streaks on the bottom of wood

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Forum topic by Littleroom posted 02-08-2018 02:40 PM 753 views 0 times favorited 3 replies Add to Favorites Watch
View Littleroom's profile


9 posts in 889 days

02-08-2018 02:40 PM


First post of many I’m sure, I had a question about cleaning my planer bed. I’ve purchased a used busybee 12” planer the thing is 20+ years old and it works great. But when I plane any wood through it there is black marking on the bottom, the bed is smooth and looks clean, I’ve waxed it but am still getting the black marks. Is there something I should use to clean it?



3 replies so far

View ScottM's profile


747 posts in 2927 days

#1 posted 02-08-2018 03:06 PM

Is the bed aluminum or cast iron?

View Loren's profile


10477 posts in 4428 days

#2 posted 02-08-2018 03:09 PM

Wipe the bed down with paint thinner on
a rag. Let dry, then wax with paste wax.

I just had this same problem with a “new”
used planer. Just dirt, maybe some rust,
but whatever the case the paint thinner
cleaned it up.

View Littleroom's profile


9 posts in 889 days

#3 posted 02-08-2018 03:35 PM

I believe the bed it aluminium, I will try the paint thinner trick tonight. I read somewhere that mineral spirits will clean it but I’ve never used it on anything and would be worried about side effects.

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