Cleaning table saw trunnion

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Forum topic by newwoodbutcher posted 12-28-2013 06:09 AM 2095 views 0 times favorited 6 replies Add to Favorites Watch
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777 posts in 3051 days

12-28-2013 06:09 AM

I got a Grizzly 691 table saw for Christmas two years ago. Nice saw. Last year when raising the blade it started to feel sticky and harder to crank. I shot some WD40 on the trunnions and it seemed to help. Now it’s happening again. I realized I never cleaned the packing grease of the trunnions. After researching different lubrication products I’ve decided to use CRC dry Moly lube on the trunnions. But I’m wondering if I shouldn’t completely clean them up first. So I’m wondering, do I need to partially dismantle the saw to clean up the trunnion? Seems to me it will be a PIA to dismantle and redo all the adjustments. So my question: How do I clean and lube the trunnion assembly? What products and technique do you all use?

-- Ken

6 replies so far

View upinflames's profile


217 posts in 2363 days

#1 posted 12-28-2013 11:00 AM

Yep, tear it down and clean, you don’t want to just lube the old stuff, in the long run you will be glad you did. As far as setting everything back to square and straight, think of it as “bonding” with your equipment. As far as cleaning, if you tear it down get some liquid wrench and spray it down. Let it soak for a half hour, naptha to rinse, repeat until goop is gone.

View kaerlighedsbamsen's profile


1251 posts in 1914 days

#2 posted 12-28-2013 11:15 AM

I like Dustmagnet’s idear of bonding w your tools. WD40 is a great cleaner but does not really lubricate that much. It also evaporates after some time. So: WD40 for cleaning and someting much more reliable for long term lubrication. Sonds like you have a nice little christmas wacation project there. Good luck!

-- "Do or Do not. There is no try." - Yoda

View knotscott's profile


8147 posts in 3576 days

#3 posted 12-28-2013 12:37 PM

Scrub the gunk off, lube with something that doesn’t attract dust like a teflon or white lithium grease that dries hard….. wax works too.

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

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777 posts in 3051 days

#4 posted 12-28-2013 05:57 PM

I was afraid that would be the case. I guess because it makes sense. Thanks for the input and advice. My project list is already longer than my life but I’ll have to make this a priority.

-- Ken

View DonSC's profile


19 posts in 2282 days

#5 posted 12-28-2013 07:18 PM

Instead of tearing it down, can you tip the saw on it’s side to work on the mechanisms ? Support the top with 2 sturdy boxes as described in the following procedure given by popular woodworker Sandor N. on Woodworkers Journal.

-- Don, Culleoka, Tn.

View newwoodbutcher's profile


777 posts in 3051 days

#6 posted 12-29-2013 12:52 AM

Great article. Thank you. It will be a bit of work to disconnect the out-feed table but I’m planning to move the saw into a better location anyway so this approach will kill two birds with one stone so to speak.

-- Ken

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