You might try loosening the Yagi mounting clamps and let them slide down
the mast to the top of the tower. Then slide the mast up using a gin pole
until you can insert the bearing. Then let the mast down and re-mount the
beams. I think you will be much happier with a proper bearing.
Chuck W5PR
On Sunday, November 1, 2015, Patrick Greenlee <patrick_g@windstream.net>
wrote:
> Jorge, amigo, sorry but I can't recommend a two part bearing to use
> without the grand hassle of pulling the mast. You might be able to
> "surround" your mast with "rollers." You will need at least 3 rollers
> (wheels with their own bearings) arranged at 120 degree intervals. If it
> were me, I would go for two levels of 3 rollers per level to distribute the
> force such as you would avoid denting or crushing the mast due to sharply
> concentrated force at the contact areas. I would recommend considering
> placing a section of telescopic fitting tubing to strengthen the mast at
> the points of contacts with the rollers. This reinforcement would have to
> be split into two pieces to be put onto the mast for the same reason you
> can't just easily swap out your failed bearing assembly.
>
> Other that something along the lines of the above, I have no clue how to
> avoid the major pain of taking it all apart.
>
> Good luck amigo,
>
> Patrick NJ5G
>
> On 11/1/2015 5:20 AM, Jorge Diez - CX6VM wrote:
>
>> Hello
>>
>>
>> I have a yaesu 065 thrust bearing broken up in the tower, after a rotor
>> replacement. Inside a mast with two antennas
>>
>>
>> I don´t want to remove all antennas and mast to replace the thrust bearing
>> from 200 ft tower, so wondering if there´s a CLAMP ON thrust bearing or
>> crapodine I can get to replace it without need to remove all antennas and
>> mast
>>
>>
>> Thanks,
>>
>> Jorge
>>
>> CX6VM/CW5W
>>
>>
>>
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