HW-101 Lever

[Charles W. Morehouse]

Hi Stu,
Why not have just the broken plastic lever knob replicated? It could then be re installed
on the original insert. Just a thought. 73.
Wayne;
W4GBW

Stu Lyon wrote:

> One of the things we are overlooking in this lever casting is that Heath
> used two differant designs on the lever.
>
> The SB-401, -301 (and maybe -400) used a #4 Allen-head set screw and a
> molded-in metal insert. The shaft was 1/4" full round. (Ref. SB-401 manual,
> pg. 86, Detail 5-8A)
>
> The SB-101 (and others) used a loose metal insert and a notched shaft. You
> placed the insert on the shaft and pressed the plastic lever on the knurled
> insert. You then removed the partial assembly and pressed the insert in with
> a nutdriver or similar. This implies that a) you would need a loose metal
> insert and b) the design of the metal insert is complicated.  (Ref. SB-101
> manual,pq.79, Detail 3-24A).
>
> I have a Drake TR-4 that uses plastic knobs with no inserts. One day I
> tighten a knob too much and the knob neatly split in two. I think the metal
> insert is essential.
>
> I hope someone can solve this problem but it's not going to be easy.
>
> 73, Stu W6CUX
> Winnetka, CA
>
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