LumberJocks

Table saw blade hard to go down????

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Blog entry by Bob Rodrigues posted 01-27-2016 02:30 PM 693 reads 0 times favorited 4 comments Add to Favorites Watch

I have a General 50-200r model table saw. Lowering the blade is a chore becuase it feels like its binding. I’ve squirt some liquid wrench & WD40 on the worm drive screws & worked it up & down. It’s gotten better but there is still an issue. Wondering if anyone else is having this issue & what’s a good lubricant to use on these gears as well? Also what would be a good cleaner to clean the gears with as well? Thanks all.

-- Bob, Fall River, Ma



4 comments so far

View Bob Rodrigues's profile

Bob Rodrigues

47 posts in 334 days


#1 posted 01-27-2016 02:58 PM

I’m sitting here at work & right after I post this I finally figured out why my table saw blade doesn’t go down all the way. Where the blade is there’s a pocket where dust is thrown down through a shoot to the collection pipe. The last time this happened it was a small piece of maple that fell through & clogged it up & let all the saw dust build up to where the blade wouldn’t bottom out fully. I’m such a dummy sometimes

-- Bob, Fall River, Ma

View David Taylor's profile

David Taylor

326 posts in 548 days


#2 posted 01-28-2016 03:33 AM

Don’t be so hard on yourself, sometimes it’s the simple things that stump us!

As far as lubrication, I would use white lithium grease. Clean them first, maybe with some Greased Lightning= and a brass brush Get down into the teeth good, then coat with the white grease.

Another thing I have read (but not tried) is paste wax on the gears after cleaning. Use a toothbrush to get it in the teeth, then work the gears back and forth to spread it. Supposed to help not gather dust. I may try that one myself.

-- Learn Relentlessly

View TheFridge's profile

TheFridge

5765 posts in 947 days


#3 posted 01-28-2016 03:55 AM

Wd40 will attract sawdust bud. Lithium grease, wax, or dry lube with Teflon. I prefer the later.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

View robscastle's profile

robscastle

3392 posts in 1665 days


#4 posted 01-29-2016 06:24 AM

Possibly a common problem there Bob,
I usually blow out the helical trunions with an air gun after I have finished work, if thats of any help, as I get the same issues with clogging as you.
It may be worthwile to check the 90 and 45 degree stops as well, these only need a small build up of sawdust then it gets compressed as you go back to 90 degrees stopping accurate resetting to 90 degrees, an these critters are then little more difficult to remove.

Lubrication: never bothered due to the additional problems introduced, ... as already reported by other LJs above.

-- Regards Robert

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