[TowerTalk] [Bulk] Lifting a mast off the rotator

[Jon Pearl - W4ABC]

I think this is a great idea, Grant.

Would you agree, though, that a second Nord-Lock washer would be 
appropriate underneath the spacer, as well?

There are numerous 'fixes' including the use of safety wire and folding 
tab washers but the fact that the centering fixture must sit squarely 
over top of the bolt removes a lot of these options. Additionally, a 
second Nord-Lock may create a clearance issue within the cup of the 
centering device which may necessitate the cup's needing to be drilled a 
bit deeper.

I'll report back tomorrow after I purchase a couple of Nord-Lock 
washers.  The rotator's on the bench.







73,


Jon Pearl - W4ABC
www.w4abc.com



On 4/25/2016 10:41 AM, Grant Saviers wrote:
> The used OR-2800 was driving a 3" mast, but I have one driving a 2" 
> without a centering block w/o problems (so far) but a bigger load is 
> going onto the 2" mast shortly.
>
> Medium strength Loctite is a good idea if the internal threads can be 
> degreased.  Instead of a split ring washer, I use Nord-Locks for 
> critical fasteners.  Check out their video re locking fastener tests.
>
> http://cdn.nord-lock.com/wp-content/uploads/2015/12/Nord-Lock-Junker-test-HD_1280x720.mp4 
>
>
> Grant KZ1W


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