Re: Fixing indicators

---how can it be worth messing around with old dial indicators when
they can be purchased new for less than $20? OK they are made in China
but they are of excellent quality.
T. Ackland
In CAD_CAM_EDM_DRO@egroups.com, "Sven Peter, TAD S.A."
<peteryco@r...> wrote:

> Hupps mistake: The access is easier on the back side!!!!
> The server was on strike so a new try:
>
>
> Hello Joe,
> Take the oldest one first, it isn't such a big deal and after the

first

> you
> won't fear the second.
> Start from the BACK side item by item and don't force anything and
> don't hurry...
> As long as the shaft isn't worn or bent, its normally done with a

good

> cleaning
> and retensioning.
> Use fine sewing machine oil (I use ESSO Spinesso 10) that doesn't

gum

> up at all. (never use PW40 - in a couple of weeks the indicator will

be

> blocked.)
>
> The most important issue is that the two sprockets that run on the
> shaft, have to be
> tensioned against each another again. One has a spiral spring like

in a

> clock.
> Its sprocket has to be turned about a quarter turn so that the

spring

> shrinks.
> The spring never should be widened up.
>
> Most important tools: A clean table and floor (because something

might

> fly away), tissue paper, watchmakers screwdriver and a couple
> of tweezers, good light and patience.
>
> Good luck
> Sven Peter
>
> Joe Vicars wrote:
>
> > Is there a good Internet "How To" for repair and maintenance

of

> > dial and test indicators? I have some that need fixing, I don't

want to

> > buy a book.
> > Any help?
> >
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