[Elecraft] KSB2 Construction Question

Thu Jun 20 00:19:01 2002

Van,

The only reason we have the lockwashers between the standoffs and PCB, is
because some BNC connectors were tall enough to interfere with the space
between the relays and these connectors.  If your BNCs are not tall
enough to hit the relays when the boards are connected together, then
there is no need to use the lock washers at all in this location. Just
use one under each screw to prevent the screws from loosening.

Gary Surrency AB7MY
Elecraft Technical Support

[email protected]

On Wed, 19 Jun 2002 11:47:51 -0400 "Van W1WCG" <[email protected]> writes:
> After reading all the very interesting and technical Q's and A's 
> here, I
> feel a little apologetic asking a simple, picky mechanical question 
> like
> this, but here goes:  In constructing the KSB2, I'm at the fourth 
> assembly
> step on page 12, which states (in bold font) "These lock washers go 
> between
> the standoffs and the PC board, NOT between the PC board and screws 
> as on
> the control board".  Yet, on page 6, the illustration accompanying 
> the 6th
> assembly step clearly shows a lock washer going between the ATU 
> Control PC
> board and the standoff.  To me, the step on page 12 conflicts with 
> the
> illustration on page 6.  It appears that one lockwasher one spacer 
> between
> the boards gives enough clearance.  What is the preferred or correct 
> way of
> installing this hardware?
> 
> TIA,
> 
> Van, W1WCG
> K2 #2634
> 
> 
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Gary Surrency AB7MY

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