Products > Test Equipment
Fool for the 8656A Sig Gen
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Tony_G:
Interesting - I wonder if there was a more complex and tolerance dependent way they could have done it...

TonyG
jrharley:
I know right? It's a pretty whacky gizmo.
I can't imagine what advantages this approach might have had, but who am I to second guess HP! It's a product of its time I suppose.

Anyway, close ups of an actuator fork are attached for those playin' along at home.........


JRH
Tony_G:
Do they list the torque value anywhere? I don't see it in the manual.
jrharley:
I can't remember where I saw that TG. Perhaps on the lazyelectrons site. Upon further reflection, it could also only apply to the later versions. I know I saw it somewhere though.

I suspect that ultimately though, the specification is going to be something like ....."just right". I don't have any way to torque a screw down to precise inch/lb values. Not likely to buy a device that could do that either. I'll tweak it under power till they work!

I've pulled all the covers off and removed all the forks. I'll be spending some meditation time cleaning up the cavities and rebuilding the intact sections while I figure out how to get some replacement parts. May have to park it for awhile, we'll see. O-rings are going to be a short term challenge. I have good dimensions, but need to source some new ones.

Thanks so much for your continued interest in this journey, we may just get it running again yet.

JRH
Swainster:
I've not seen how they work but guestimating from your pics they look roughly the size of a 3mm cable grommet
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