[ARC5] [Milsurplus] ARB Questions

J. Forster jfor at quikus.com
Wed Jan 1 13:04:09 EST 2014


> On 12/31/2013 11:48 PM, J. Forster wrote:
>
>> Also, is an alignment issue between the shock mount and the receiver
>> common. The set goes almost home, but one latching pin seems to be
>> binding slightly. Is the cure to bend the sheet metal to which the pin
>> is attached slightly?
>
> Yes.  :-)   You need to take a close look at the interference and why the
> pin is misbehaving, but you can normally bring it back into alignment
> through adroit use of needle nose pliers.  Wrap the tips with a layer of
> electrical tape if you're worried about scratches.  There is not a lot of
> clearance between the OD of the snapslide pin and the ID of the clearance
> hole, so it doesn't take much to prevent a smooth insertion.

Thanks.

>> It seems that the pin could get slightly bent if the radio is slid into
>> the tray imperfectly aligned.
>
> Quite so.  The problem is that the gauge of stainless steel used for the
> mount was a bit less robust than in most other shock mounts of the
> period - it's only about .030" thick.  While that saves weight, it does
> make it susceptible to impacts at locations other than the reinforced
> shock unit locations.  Bends in the front lip and long dimension of the
> rectangular mount are pretty common, which will raise one side or both
> with respect to the front panel of the ARB.
>
> Happy New Year,
>   - Mike  KC4TOS

Frankly, I was very surprised that the mount was made of SS.

Happy New Year back at you!

-John

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