K3 help

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K3 help

nn5g
I am on page 55 of the K3 Assembly manual and everything has gone fine until now. I am putting the bottom covers on and am unable to get the back cover on properly. The problem is properly installing the ¼” Black pan screws (with tooth lock washer) over the three power transistors. The screws are apparently to short as things stand. I can’t even get them to begin threading. The transistors have ¼” standoffs under the transistor screw holes. I am overlooking simple I am sure.

The remaining stanoffs on the RF board that attach to the bottom cover are ¼” and have tooth lock washers. HELP!!! Paul NN5G

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RE: K3 help

AC7AC
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RE: K3 help

Dick Dievendorff
In reply to this post by nn5g
Maybe you've used up the 1/4" black pan head screws elsewhere and you're trying to us a 3/16" pan head screw for the transistors?  Measure the pan head screw length (which does not include the pan head) to see if perhaps you're trying to fit a 3/16" screw there.

A 1/4" pan head screw looks a lot like a 3/16" screw.  Be sure to use the 1/4" ones only in the spots specified.

Dick, K6KR


-----Original Message-----
From: [hidden email] [mailto:[hidden email]] On Behalf Of nn5g
Sent: Saturday, June 07, 2008 3:43 PM
To: [hidden email]
Subject: [Elecraft] K3 help


I am on page 55 of the K3 Assembly manual and everything has gone fine until
now. I am putting the bottom covers on and am unable to get the back cover
on properly. The problem is properly installing the ¼” Black pan screws
(with tooth lock washer) over the three power transistors. The screws are
apparently to short as things stand. I can’t even get them to begin
threading. The transistors have ¼” standoffs under the transistor screw
holes. I am overlooking simple I am sure.

The remaining stanoffs on the RF board that attach to the bottom cover are
¼” and have tooth lock washers. HELP!!! Paul NN5G


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