John,
Use the 1/2 inch long black screws - the 'silver' screws are for mounting
the feet and are only 7/16 inch long.
They will fit - look to see that the heat sink is almost in contact with the
2D connector - if it is more than the thickness of the thermal pads away
from the 2D connector, then you have something physically wrong. The screws
project about 1.5 mm, but you can get the lockwasher and nut on them. The
screws do not come all the way through the nut, but almost. If necessary,
put the screws into the 2D connector first.
73,
Don W3FPR
> -----Original Message-----
>
> Man, I'm having a devil of a time mounting Q7 and Q8 on the sink.
> The screws seem too short...I only get a mm or less clearance to
> place a lock washer and nut.
>
> Did anyone else have this problem? I am aware of the need for the
> shoulder of the washer to be within the transistor's hole. Even if
> this is not so and is then corrected, it still adds insufficient
> clearance for a lock washer and nut.
>
> Do I have the wrong screws? They are silver and measure 1/2 inch.
> There are no screws with the kit that are longer.
>
> Boy, this is the first time I felt that the design of the kit is not
> first-rate.
>
> very frustrating!
>
> john
> AB8WH
>
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