I agree with Bryan, properly applied Loctite works extremely well. I
attended a short Loctite seminar (nice cause they gave out lots of
samples) and learned that generic Loctite "cures" when oxygen is absent
and iron is present. The tubes are oxygen permeable so never transfer
the contents to another container. There are also primers available to
insure the curing. There are formulations available for other fastener
materials.
The stud idea suggested on this thread is a neat way to go and I will do
that in the future. The rotator aluminum housings have limited strength
and life, so a "permanent" SS stud is has many benefits. A SS heavy nut
plus nylock nut should not come loose and is a lot easier than cross
drilling bolt heads and using safety wires.
Grant KZ1W
On 11/27/2012 4:13 PM, Bryan Swadener wrote:
John,
Threadlockers require ALL grease & oil be removed.
Otherwise, they don't work. I've used Henkel/Loctite
#271 (low viscosity highest strength "permanent"
thread lock) in all sorts of applications. Properly
applied, the ONLY way it lets go is by applying heat.
It can be found in finer auto parts and hardware
stores.
vy 73,
Bryan WA7PRC
From John, K2SFS:
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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