[TowerTalk] Rohn EP instructions: "Stake all nuts"; what does it mean?

[J.P.]

Staking nuts refers to the practice of creating a notch in the nit and corresponding mating surface with a cold chisel and hammer. The will prevent the nut from rotating. Very common in critical assemblies. 

We do this on the castle nuts of AR-15sto prevent  them from walking out and the buffer tube becoming loose for example. 

https://www.practicalmachinist.com/vb/general/staking-bolt-prevent-loosening-277927/


J.P. W2XX/7

> On Sep 16, 2018, at 6:29 PM, <john at kk9a.com> <john at kk9a.com> wrote:
> 
> All of the bolts that came with my Rohn 65G tower had Pal nuts and I have
> also seen them used on Rohn 55G tower guy brackets.  I installed this
> hardware just as you suggested in your post. I cannot answer your staking
> question, I think that a tight galvanized bolt and nut plus a Pal nut is
> unlikely to loosen.
> 
> GL
> John KK9A
> 
> 
> To:    towertalk reflector <TowerTalk at contesting.com>
> Subject:    [TowerTalk] Rohn EP instructions: "Stake all nuts"; what
> does it mean?
> From:    "Richard (Rick) Karlquist" <richard at karlquist.com>
> Date:    Sun, 16 Sep 2018 11:12:04 -0700
> 
> 
> The instruction sheet that came with my Rohn guy
> equalizer plates states:
> 
> "Stake all nuts after assembly"
> 
> The kit of parts includes bolts, regular hex
> nuts, and "PAL nuts".  Assembly order is that
> the regular nut goes on first, then the PAL nut
> with the edge lip out.  IE, the flat side of
> it faces the regular nut.
> 
> Questions:
> 
> Do I torque the regular nut nice and tight with
> a wrench, then install the PAL?  Do I tighten
> the PAL nut finger tight, or gently tighten it
> just a little with a wrench.  I have no experience
> with these PAL nuts, but they don't look like
> they would withstand much torque.
> 
> Finally:
> 
> What does "stake all nuts" refer to????
> I am imagining whacking them with a hammer or
> something ... but that can't be right?
> 
> Note:  the Rohn drawing is dated "1964" :-)
> Been licensed since 1965 and have never seen PAL nuts
> before.
> 
> Rick N6RK
> 
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