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4th Mar 2020, 10:50 PM #16
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5th Mar 2020, 10:00 AM #17Golden Member
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I haven't been in either for a while now but both Pirtek and Enzed used to sell a wide variety of hydraulic oil in container sizes from 1lt upwards and I can't think of any reason they would have stopped doing so.
Call into one of their shops and ask, I reckon you might be pleasantly surprised.
For the record I run ISO 68 hydraulic oil (from Pirtek) in the spindle and on the ways of my Hercus 260.
Cheers,
Greg.
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5th Mar 2020, 11:26 AM #18Member: Blue and white apron brigade
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- Feb 2006
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- Perth
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- 7,183
Because it doesn't contain many nasty contaminants like combustion products, hydraulic oil turns out to be relatively easy to clean. Hence use of this recycled oil especially where it's not being used in high pressure non workplace situations makes a lot of sense. About 5 years ago I bought 20L of ISO68 hydraulic oil from an oil recycler (Trubluoil) for not much more than the price of 5L of new oil. I add the additives as recommended by Guy Lautards recipe and use lots of it. So far I've used ~5L worth and given some way but still have about another 10 years worth. I also buy my chainsaw bar oil from the same recycler who adds tackifier to my spec and it works out to about 1/3 the price of commercial products. The recycler normally sells the chainsaw oil in 1000L lots but he will sell 20L drums as well.
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5th Mar 2020, 12:52 PM #19Most Valued Member
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- Nov 2017
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- Geelong, Australia
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Repco had hydraulic oil last time I was in there. ISO32 and 48 from memory, and the price was reasonable.
Steve
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6th Mar 2020, 05:21 PM #20
Thanks for the responses guys, now I feel I'm getting somewhere.
If ISO68 hydraulic oil isn't doing any harm, then starting with a 32 grade oil of some kind and watching closely to see if it's leaving town faster than I'm adding it sounds like a way forward before settling on Vacuolene.
Also, I'm now interested to research Truebluoil and recipes from Guy Lautard.
Freddie.
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6th Mar 2020, 06:33 PM #21
Hi Guys,
Since most small lathes have a total loss oiling system, the thicker oil won't run out as fast as thin oil ! At the end of the day I doubt that it matters much as long as the machine gets oiled with something.
As I've said before, my Myford drinks the stuff (5 - 30 SAE) engine oil, but Its maybe half a tea spoon full a day ! There is always a puddle under the headstock.Best Regards:
Baron J.
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7th Mar 2020, 08:06 PM #22Most Valued Member
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- Aug 2008
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- Charlestown NSW
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7th Mar 2020, 10:43 PM #23
Well Peter, its a British lathe isn't it you would expect it to leak oil
Best Regards:
Baron J.
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8th Mar 2020, 11:09 AM #24Member: Blue and white apron brigade
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- Perth
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8th Mar 2020, 12:57 PM #25
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8th Mar 2020, 01:13 PM #26Most Valued Member
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8th Mar 2020, 01:16 PM #27Gear expert in training
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- Melbourne
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It's a built in oil filter; the oil can't get contaminated if it doesn't stay in there for long
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10th Mar 2020, 11:06 AM #28.
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- Nov 2008
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- Perth WA
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In the 1990 edition of the 'Textbook of Turning' by Peter Hercus, there is a list of recommended oils for use on the 260 lathe. Mobil Vactra Oil Heavy heads the list followed by Caltex Regal RX 068, Shell Vitrea Oil 68 and others.
The Vactra Oil Heavy was also at the top of the list in the 1970 edition of Peter's textbook for the 9" lathe. Based on those recommendations I contacted Mobil (because they are relatively close by) and was informed that the modern day equivalent of the Vactra was Mobil DTE Heavy Medium ISO 68. I purchased the smallest option, 20 litres.
I use the DTE to lubricate the spindles of my 1958 plain bearing A, my roller bearing '69 ARL , the spindle in my No.O mill and the 18 oil nipples on the 1962 SV13 mill. The recommended oil for the Schaublin mill was watery ISO 22
but the technical adviser at Mobil suggested that the heavier ISO 68 would probably compensate for some of the wear and tear it would have acquired during its working life.
In reality most of these machines would survive on a diet of just about any clean fresh oil.
One final thing, just remember to remove the back gear covers on the 9" lathes and oil the back gears AND remove the grub screw from the cone pulley and lubricate the spindle. (With OIL on a No.O!!!)
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10th Mar 2020, 12:51 PM #29
Great tips right there Bob, thanks - and thanks too to the other contributors.
I was under the impression that ISO 22 was the 'recomended' grade - maybe I was misled there as far as the Hercus is concerned. It looks as if I'm on track now though and that an ISO 68 will be just the thing.
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10th Mar 2020, 06:15 PM #30Philomath in training
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- Oct 2011
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It depends on the machine, how it has been designed and the wear present - we had a lathe at work that required ISO 10. With the machines that members typically run here, 68 is a nice GP oil weight.
Michael
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