Very old Black and Decker worm drive saw

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Forum topic by Muckalucia posted 01-16-2014 08:07 AM 1903 views 0 times favorited 4 replies Add to Favorites Watch
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1 post in 1616 days

01-16-2014 08:07 AM

I have come into a very old black and decker worm drive saw and am cleaning it up,
the guard is gone which is fine, but I can’t seem to find where I can check the gear
oil or add it. There are two areas in the right front, but neither looks like where you
would check or add gear oil, and I don’t want to fire it up without making sure there
is gear oil in it. Can someone help me?


4 replies so far

View bigblockyeti's profile


5137 posts in 1745 days

#1 posted 01-16-2014 01:48 PM


View MrRon's profile


4793 posts in 3267 days

#2 posted 01-16-2014 09:33 PM

I don’t think there is anyplace to check for grease or oil. Most geared tools are packed with grease and unless it has leaked out due to overheated use or screws coming loose, shouldn’t require any additional lub. As long as it runs smoothly and quietly, it should be OK. If it is noisy, then grease may need to be added. This will require you to take it apart. You might want to check They may have assembly diagrams for that model saw.

View UncannyValleyWoods's profile


542 posts in 1888 days

#3 posted 01-16-2014 09:58 PM

What a worm drive might look like:

-- “If Jesus had been killed twenty years ago, Catholic school children would be wearing little electric chairs around their necks instead of crosses.” ― Lenny Bruce

View bigblockyeti's profile


5137 posts in 1745 days

#4 posted 01-16-2014 10:02 PM

I’ve never seen a worm drive saw that didn’t have an oil reservoir. I have seen a few right angle drive hand saws that are grease packed, the Makita hypoid saw comes to mind. The sliding action between a worm and a worm gear does not lend itself well to grease lubrication, thus the reason that all industrial gearboxes using this drive system are oil lubed.

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