[TowerTalk] Best grease for tower bearings!

[Grant Saviers]

Depends on what type of bearing - wheel bearing grease is made for 
roller bearings in constant rotation, not so good for ball bearings in 
oscillatory motion.  A good full synthetic grease will not separate as 
much as oil loaded greases and can handle higher temperatures.  I prefer 
Synco SuperLube with TFE.

http://www.super-lube.com/synthetic-multipurpose-grease-ezp-49.html  
which is widely available in the US, don't know about Brazil

Clean up with mineral spirits/paint thinner as it has a fairly high 
flash point.  Don't use gasoline.

Grant KZ1W


On 7/13/2011 11:55 AM, Luciano Gasparini wrote:
> I'm about to performe maintenance to a 40m 2 elem yagi driven by an Yaesu G1000DXA that have been working for over two years now.
> Recently, I noticed that the rotor needs more speed to rotate the same antenna so, I believe two conical bearings at the tower mast need greasing.
> Which kind of grease should I use, in Brazil, on a location which temperatures reach around 110F most all year long? I thought about the one used at vehicle wheel bearings.
> What should I use to clean bearings before greasing both?
> Advices are welcomed!
>   
> 73,
>   
> Luciano PT9KK
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