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Posted by Karl Townsend on June 6, 2008, 9:55 pm
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> Karl,
>
> Cut open that funny little bent piece of tubing so's the ultrasons can get
> in and clean it up
> inside.
i didn't bother. just took back off and dropped it in. Set it on top of SO's
oven to dry. A little dab of oil here and there. Werks lik knew!
Karl
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Posted by DoN. Nichols on June 6, 2008, 11:13 pm
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> Karl,
>
> >>I haven't tried it, but this sounds like an excellent job for an ultrasonic
> >> cleaner. Just add a bit of dish soap to the bath, and it should scrub the
> > Now there's something I wouldn't have thought of. I'll put it in my cleaner
> > and give it a try.
> Cut open that funny little bent piece of tubing so's the ultrasons can
> get in and clean it up inside.
It sounds as though you are thinking of a pressure gauge, not a
dial indicator.
I've cleaned sticky dial indicators with acetone or similar
things (Freon TF back when it was available) avoid getting the acetone
on the dial face or the crystal, and then re-lube with watch oil or
Starrett M1 instrument oil.
But usually -- the problem area is the bearings for the push rod
where they enter the case, not other parts of the indicator.
Enjoy,
DoN.
--
(too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html
--- Black Holes are where God is dividing by zero ---
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Posted by Flash on June 6, 2008, 9:31 pm
Please log in for more thread options Good gracious! (or other phrase, as suits you) Do not use dish-soap, unless
you want the springs to rust away to nothingness.
Open the back, do not fiddle with anything else, and spray a little bit of
electronic contact cleaner on the rod, inside and outside the case. That
should free it up enough without further work, unless you have left it
underwater for a half a day or so. Then a drop (one) of light oil on the
operating rod, and let it run down inside the rod-guide. move the rod in and
out a few times, and you should have it.
If that doesn't do all you expect, remove the bezel and crystal, and the
hand(s) merely pop off their spindle(s), releasing the face . THEN, you may
dunk and spritz in your favorite solvent. (Carb-cleaner spray, from
AdvanceAuto parts store works pretty good). Then just a tiny touch of watch
and clock oil on each bearing, a bit of oil on the operating rod,
reassemble.
No point in total disassembly of the unit, unless you are prepared to chase
little parts and springs. In that case, remember function follows form. If
you do choose to do a complete strip and wash, remember carefully what went
where. And HOW. Some of those little devils with multiple hands and
long-travel are tricky.
Good luck.
Flash
>
>>I haven't tried it, but this sounds like an excellent job for an
>>ultrasonic
>> cleaner. Just add a bit of dish soap to the bath, and it should scrub
>> the
> Now there's something I wouldn't have thought of. I'll put it in my
> cleaner and give it a try.
>
> Karl
>
>
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Posted by Jon Elson on June 8, 2008, 10:56 pm
Please log in for more thread options Karl Townsend wrote:
> I needed a dial indicator where it got splashed with coolant for a few days.
>
> Now its all sticky and the needle won't return. Can you take one of these
> apart for cleaning, or do you get a pile o' parts? What would you spritz on
> the inners to remove coolant residue?
Usually the back come off very easily and gives access to most
of the works without risk of "all the springs flying out".
Then you can apply cleaning slovents and lubes where it appears
needed.
Jon
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>
> Cut open that funny little bent piece of tubing so's the ultrasons can get
> in and clean it up
> inside.