In a message dated 3/11/2009 6:45:58 P.M. Pacific Daylight Time,
towertalk-request@contesting.com writes:
> My Yaesu G-1000DXA manual say's to drill thru the mast & put a bolt thru
the rotator & mast to keep it (the mast) from turning in the clamp. I was
told to do a survey here & get everyone's input on doing this as it might be a
bad idea..
Well, without being pinned, it would probably move harmlessly out of
alignment. When you pin a mast to a rotator you're transferring the mast
torque
directly to the rotator and the next weak point in the system; usually gears.
Since Yaesu gave you a long bolt with the rotator and the manual says to
do it, I'd follow the LXC Prime Directive to "DO what the manufacturer says."
Cheers,
Steve K7LXC
TOWER TECH
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