Using castle nuts and cotter pins is also an option. Does require the hole in
the bolt in the right place though! Also putting a mark on the nut and bolt
after it is tight with a paint pen to mark their respective location will tell
you if the nut has loosened the next time you do an inspection.
Chris
KF7P
On Nov 27, 2012, at 10:34 AM, Missouri Guy wrote:
> If you have a drill press, you can drill a hole, or holes, across
> the head on the bolts, then "safety wire" (see Wikipedia) the heads
> to prevent them from loosening. Safety wiring is a essential practice
> on aircraft, etc. BTW, I looked on Wikipedia and saw that
> the ends of the twisted wires shown in the photo were not
> bent back on themselves....obvious unsafe practice.
>
> Bolts that are already drilled may be available at surplus
> stores. Also, I *think* I've seen them at www.mcmaster.com
> Try http://www.airpartsinc.com/ also.
>
> Charlie, N0TT
>
> On Tue, 27 Nov 2012 6:08:40 -0500 <caraj@cox.net> writes:
>>
>> Hi All:
>> Is there a sealer or some other recommended method to improve
>> maintaining
>> rotator outside case screw tightness.
>> Checking my HAM IV after hurricane Sandy showed all four bottom
>> rotator
>> screws 2 turns looser.
>> The commonly sold (red/blue) nut tightener available at Harware
>> stores does nothing.
>> 73,
>> John, K2SFS
>> _______________________________________________
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