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15th December 2007, 07:48 AM #16
Builder, Joiner, Father
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I don't think marking out dye will do the trick if you can't find the pin with an eye glass.
I suggested heat so that the pin and part will move, and the seem should become visible. It was just a thought...... this one has me a bit stumped too, and there have been some good suggestions above.
As far as the spring is concerned.... I am unsure if it would be too effected or not. I guess it would be a suck it and see situation. Making another spring could be your first project with the new lathe. The original is likely to be made of piano wire, which is readily available in all gauges, in short lengths, at model plane type hobby shops . I won't go in to the spring making process now, but if you do go down that route, you can start another thread then.
Good luck.
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15th December 2007 07:48 AM # ADSGoogle Adsense Advertisement
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15th December 2007, 05:52 PM #17
Intermediate Member
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Apoligies, inital post i thought you were, endevouring to extract housing from casting.
As Fossil suggested the judical heat applied to the knob , with careful observance this may very well reveal the location of this pin. One can vary heat applied & quickly quench if not sighted quickly.
An alternative is Dy Check, Although I would tend to go with Fossil"s suggestion, though the control of heat flow ie wet rags to body of oiler and controlled heat applied to suspect area of pin it should show pin detail which will be a tapered pin if it exists.
Den
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16th December 2007, 12:26 PM #18
Builder, Joiner, Father
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OK Heres another idea Ken, if you're not keen on applying heat.
I guess if there is a pin, which now seems likely, you could carefully clean up the circumference either side of the knurling with a jewelers file and then paint on some acid which may etch enough around the pin to make it visible.
Tidy up the part afterwards on your little lathe.
Just a thought.
Let us know how you go with it.
P.S. I bet figuring out this part isn't as good as sex!
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16th December 2007, 01:10 PM #19
Product designer retired
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- Nov 2006
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- Heidelberg, Victoria
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Thanks Fossil and the many others for your advice.
I have virtually decided to polish the plungers insitu, rather than risk damaging the knurled knobs attempting disassembly.
I have taken up too much of the Forum's time, so time to call it quits.
Now where's that blonde bombshell 36, 24, 36?
Ken
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16th December 2007, 01:45 PM #20
Builder, Joiner, Father
- Join Date
- Jan 2006
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- Blue Mountains NSW Australia
- Posts
- 592
That's three of them. Are you sure you're up to it old fella!
Anyway, the 24 year old is too young!
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