[Elecraft] KPA-500 Question

[Doug VE3VS]

On page 23 of my KPA500 assembly manual, relating to the mounting of the
rectifier board, it is clear that thermal insulators must isolate the
rectifiers from the chassis, and also, that insulating "shoulder washers"
must be installed in the four places that you mention as your concern.

The next step, using a DMMeter, checks to determine that there are no shorts
between the metal tabs of each rectifier and the bare metal of the
Z-bracket.

Undoubtedly, you have already discovered this information in the diagram
associated with this part of the assmbly procedure.  ( See figure 29 )

Doug, VE3VS
.....................................................
I'm assembling a KPA-500 that I received today and I'm at the step where 
I mount the Rectifier bd to the Z-bracket. It looks like the 4 holes for 
mounting the rectifiers should be threaded for 4-40 screws but mine has 
about 1/8" holes. There is no mention of using a screw and nut to mount 
them and there is none provided. I wonder if anyone else has run into 
this problem 

Gary  W0GHZ 




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