Stuart21 Posted May 10, 2019 Share Posted May 10, 2019 I have quite a few floor fans. Lubes only seem to last a few months - using Singer sewing m/c oil and / or SOnax w MOS2. All seem to slow down & eventually not start, & if you miss it, the motor can burn out - ;-( Does anybody know what is the best oil for fans? Link to comment Share on other sites More sharing options...
Popular Post Fruit Trader Posted May 10, 2019 Popular Post Share Posted May 10, 2019 (edited) Be aware that some fans have self lubricating bushes where the use of oils will attract dust and eventually harden to create friction. A good clean often fixes any problems. Sealed roller bearings do not require lubrication and should be replaced if tight. Also make sure that any self aligning bushes are free to move in their sockets. Edited May 10, 2019 by Fruit Trader 3 Link to comment Share on other sites More sharing options...
Stuart21 Posted May 10, 2019 Author Share Posted May 10, 2019 Thanks FT, will check these. Link to comment Share on other sites More sharing options...
utalkin2me Posted May 10, 2019 Share Posted May 10, 2019 Just now, oilinki said: I think my Cheapo fans (two on process to be fixed) doesn't have those good sealed roller bearings. Would vaseline be better than oil? Are there differences between different type of vaselines and which should be taken in to account when selecting one? I use vasoline all the time on them. I am not saying it is best but i use it. It is probably not viscous enough to last very long though. Link to comment Share on other sites More sharing options...
bankruatsteve Posted May 10, 2019 Share Posted May 10, 2019 Just to say... I have fans over 20 years old that I have never lubricated and still running good. Clean dust, yes, but never lube. 2 Link to comment Share on other sites More sharing options...
sometimewoodworker Posted May 10, 2019 Share Posted May 10, 2019 (edited) 6 hours ago, oilinki said: I think my Cheapo fans (two on process to be fixed) doesn't have those good sealed roller bearings. Would vaseline be better than oil? Are there differences between different type of vaselines and which should be taken in to account when selecting one? No Vaseline is a very poor lubricant in your case, a Lithium grease would be better. Edited May 10, 2019 by sometimewoodworker 1 Link to comment Share on other sites More sharing options...
Crossy Posted May 10, 2019 Share Posted May 10, 2019 7 minutes ago, oilinki said: Does lithium grease mean WD-40? Absolutely not! It means Lithium Grease. WD40 do have a lithium grease mind:- Link to comment Share on other sites More sharing options...
Crossy Posted May 10, 2019 Share Posted May 10, 2019 8 minutes ago, oilinki said: Where can one buy that Lithium grease in Thailand? How much does it cost? I've definitely seen a spray on lithium grease, just not WD40 branded which I didn't know existed until I did a search for my first image. It wasn't expensive and IIRC I found it in Tesco of all places. EDIT Your problem, if you want to do a long lasting job, is getting the lubricant into the sintered bronze bearing. The manufacturing process uses heat and vacuum. Link to comment Share on other sites More sharing options...
Crossy Posted May 10, 2019 Share Posted May 10, 2019 A short, interesting read https://www.nyelubricants.com/stuff/contentmgr/files/0/5b6c78f6f3228c839847da83f35d22ca/en/lubenote_sinteredbearings.pdf And a video Link to comment Share on other sites More sharing options...
Crossy Posted May 10, 2019 Share Posted May 10, 2019 Also. You may well be able to get ball bearings that will fit in the housings, time to get out the vernier caliper. Link to comment Share on other sites More sharing options...
sometimewoodworker Posted May 10, 2019 Share Posted May 10, 2019 4 hours ago, oilinki said: Does lithium grease mean WD-40? The regular WD-40 is not designed as a good lubricant and does a poor job when used as one, unfortunately many people think that it is and use it in place of one. It does have some oils in it but it is far better at freeing frozen (rust not cold) items than as an ongoing lubricant. It and duct tape are great for temporary fixes. 1 Link to comment Share on other sites More sharing options...
Wirejerker Posted May 11, 2019 Share Posted May 11, 2019 Light machine oil ( sewing machine oil) is best for the sintered bush. A couple of drops into the felt wick every year will do wonders if you can get to them. The WD40 spray on grease is like the stuff they sprayed in your car panels when u got it rustproofed. Ball bearings use high speed grease either lithium or polyurea baseSent from my iPad using Tapatalk Link to comment Share on other sites More sharing options...
sometimewoodworker Posted May 11, 2019 Share Posted May 11, 2019 (edited) 2 hours ago, Wirejerker said: The WD40 spray on grease is like the stuff they sprayed in your car panels when u got it rustproofed. Nobody has had a need for getting extra rustproofing for cars since they started using galvanised steel for most body and frame components, in the 1980's for Japanese and 1990's for western cars. So 20 to 30 years ago minimum since anyone got any significant benefits from aftermarket rustproofing. It's just snake oil. FWIW the grease isn't Lithium based, it has a Lithium based soap added to it for added adhesion. Edited May 11, 2019 by sometimewoodworker Link to comment Share on other sites More sharing options...
VocalNeal Posted May 11, 2019 Share Posted May 11, 2019 I use Superlube both oil and grease. I was lucky to find a decent sized bottle of oil and for that I use a hypodermic to apply. Link to comment Share on other sites More sharing options...
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