[TowerTalk] MRF Mast raising fixture, US towers

[Alan NV8A]

On 01/10/09 01:34 pm Mike, K6BR wrote:

> A friend has just received an MRF (mast raising fixture) from US Towers.
> The question is how does it operate. There are no diagrams or manual as
> usual from US Towers.
>
> I assume that the fixture bolts to the two holes on the top plate of the
> tower, is the cable supposed to go though the same hole as the mast?
>
> If so this would mean that the mast and thrust bearing would have to be
> removed so that the cable and cleat could pass through the mast hole and
> would stop the use of a thrust bearing, I can't believe this would be true.
>
> Any help with an explanation or photos would be very much appreciated.

I've never used or even set eyes on an actual MRF, but I just looked at 
the picture in the catalog (p. 7 of mine). This seems to show the cable 
passing through a hole located between the winch assembly and the mast hole.

73

Alan NV8A