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Mach2GTO counterweight shaft stuck midway #Mach2GTO
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Harley Davidson
Indeed I do use it Fernando. Works great. As long as there isn't
heavy dirt on the car though. For bugs I spray directly on them and
let it set for up to a minute. Then wipe right off with microfiber
cloths. I use it in between using "Glide" by Nanoskin Car Care
Products.
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tony On 8/10/2022 12:28 PM, fernandorivera3
via groups.io wrote:
Tony- furniture spray wax applied on your car? |
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Christopher M <mirfak@...>
"On the other hand, when used carefully
WD40 is marvelous stuff. I was a research scientist in a NASA funded biology lab for nearly twenty years. Our maintenance techs used it on ultracentrifuge spindles and rotor hubs as well as on scintillation counter sample delivery chains. Never had a bit of a problem. And of course, those guys had to know what they were doing. The replacement cost of those instruments was far beyond that of any mount Astro-Physics ever produced." I'm a Biomed Tech in a blood lab for a quarter C now and respectfully and in short, we are only allowed to use the lubricants and cleaners approved by the Mfr on our equipment (centrifuges, processors, extractors, etc). WD-40 is not one of them. The only time we use WD-40 at work is to remove gummy label and tape residue, and then only on some things (I do not respect people who use plain masking tape to hold down power cords), or to sometime free stuck parts. I heartily agree with Christopher E, Woody and others that while WD-40 has a lot of great uses, it is not a "Lubricant" but a "penetrant". It may lubricate in the short term, but once it dries up, it is the opposite of a lubricant. Personally I'm going to try a bit of parrafin wax or other dry lube (graphite?) on the threads of my new CW adapter and CW shaft. |
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Cheng-Yang Tan
If you try graphite lubricant, DON'T use this one: It actually got my CW shaft stuck because I *think* the film is thick enough to cause the threads to bind. And I thought I sprayed a thin film too ... cytan
On Wednesday, August 10, 2022 at 10:52:04 PM CDT, Christopher M <mirfak@...> wrote:
"On the other hand, when used carefully WD40 is marvelous stuff. I was a research scientist in a NASA funded biology lab for nearly twenty years. Our maintenance techs used it on ultracentrifuge spindles and rotor hubs as well as on scintillation counter sample delivery chains. Never had a bit of a problem. And of course, those guys had to know what they were doing. The replacement cost of those instruments was far beyond that of any mount Astro-Physics ever produced." I'm a Biomed Tech in a blood lab for a quarter C now and respectfully and in short, we are only allowed to use the lubricants and cleaners approved by the Mfr on our equipment (centrifuges, processors, extractors, etc). WD-40 is not one of them. The only time we use WD-40 at work is to remove gummy label and tape residue, and then only on some things (I do not respect people who use plain masking tape to hold down power cords), or to sometime free stuck parts. I heartily agree with Christopher E, Woody and others that while WD-40 has a lot of great uses, it is not a "Lubricant" but a "penetrant". It may lubricate in the short term, but once it dries up, it is the opposite of a lubricant. Personally I'm going to try a bit of parrafin wax or other dry lube (graphite?) on the threads of my new CW adapter and CW shaft. |
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Carl Björk
I just received the replacement insert and shaft. I am impressed it came to my continent so fast.
Perfect fit, the threads are real smooth :-) I'll proceed gluing the insert with Loctite 271 and within 2 days I should be imaging! Well, at least I would be if the weather wasn't compliant to the "new gear" rule :-D Many thanks to George and Daleen, you are the best! Carl |
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Brian Kaine
Carl,
That's great news! All the best, Brian |
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Christopher M <mirfak@...>
I want to appologise to Brian Kaine and his crew. After rereading my post it looks like I am deriding the Biomed techs he has worked with. That was not my intent at all. All the techs I know do the best they can with what they have and what they find works and doesn't work. I meant to point out that not all labs, especially bio labs, are free to use whatever, especially in the last few decades as regulations tighten up, depending upon what is being dealt with. For the lab I work with, SQuIPP is paramount concern. But I realised that my post came out harsher than that.
Again, my appologies Brian. Christopher |
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Brian Kaine
Hi Christopher M,
Thank you so much Christopher, but no apology is necessary! I was in no way offended by your remarks. I only intended to convey the fact that some techs do indeed use WD-40 in ways that others might not expect, and that in our lab there were never any detrimental effects from it. Many decisions are made at an institutional level; our people were given the freedom to use their own judgement. As professionals, that is something we both clearly understand! I would also add that our laboratory studied the molecular evolution of extremophilic bacteria, organisms that live in harsh environments such as hot springs and deep sea-floor vents. These critters posed no obvious health concerns; perhaps that was another reason that we had an easier time with bureaucratic decisions. I assume your work is in health care, an entirely different situation. I am glad to hear that Carl received his replacement parts so quickly. I live in Chicago and am less than a two-hour drive away from Astro-Physics. If I order something from them in the morning, I often receive it overnight. Carl's overseas shipment really hustled! Once again Christopher, no apologies are necessary. And I look forward to conversing with you again in the group! Take care, Brian |
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Has anyone ever tried teflon tape on the counterweight shaft threads? I have seen it used a lot in the chemical process industry. The most common use is on tapered pipe threads in stainless to stainless connections, but it is also used a lot on the threads of stainless steel compression fittings to make sure that they don't gall.
Teflon tape will prevent galling, but it will also increase the thickness of the threaded shaft. So, if the threads are a close fit as the Astro-Physics counterweight shafts typically are, then teflon tape could actually make the problem worse. Personally, like Chris Erickson's suggestion to use CLP. It is a little messier, but if you wipe the threads off and reapply it every once in a while, it does a good job. Mike |
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