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Post by wrightwoodwork on Jan 8, 2015 12:08:47 GMT -5
Them temperatures are pretty extreme. Working in that I'd freeze up. Certainly get in touch with mafell.
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Post by Knight Woodworks on Jan 8, 2015 16:53:09 GMT -5
Jason,
You're a better man than I, no way I'd be out in those temps.
Curious to hear what Mafell has to say.
John
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Post by wrightwoodwork on Jan 8, 2015 18:29:58 GMT -5
Just curious in them sort of tempetures do you need to run cars on different oil from summer
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Post by jasonkehl on Jan 8, 2015 18:42:44 GMT -5
I don't care to work in those temps and if I can avoid it I do, but sometimes we will get several weeks of that over the course of a winter and I can't afford to miss that much time, nor can my staff. Customers are understanding to a point, but there project needs to be completed on time. In all honesty you do get used to it and learn how to dress for it. Finger tips are the hardest to keep warm while maintaining at least some dexterity.
As for engine oil I use 5w30 in my Chevy. We plug in to a block heater when it's colder than about -20, but I built a garage last year and I keep my vehicles in there. Even being unheated and uninsulated there is never a need to plug them in.
It was -18 today and the KS80 worked fine.
Thanks for all the feedback guys.
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Post by GhostFist on Jan 9, 2015 19:30:54 GMT -5
No problem, keep us posted with temperature issues. We'd like to know
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Post by jalvis on Jan 10, 2015 14:05:59 GMT -5
In cold Temps machines tend to have issues. Not sure why just that saw didn't start so I'm looking forward to Mafell's response. Germany is a cold place so I'm sure this has come up before.
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Post by MrToolJunkie on Jan 11, 2015 0:46:31 GMT -5
Yes...interested to hear more why too. It seems off - my guess is the grease was solid, but it seems weird as the saw has a lot of torque.
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Post by jasonkehl on Jan 11, 2015 8:26:48 GMT -5
I work in the cold enough to know that machines don't care for it, but this is the first time I've had a tool refuse to operate. Because the tool has so much power and yet did not draw enough to trip the breaker(or simply turn the blade as it should have) I wonder if the electronics in the Cuprex motor were acting as a protective feature and not letting the saw draw enough current to overcome the resistance in the stiff grease and spin the blade.
I have emailed Timberwolf and I fully expect that I will hear back from them on Monday. Their service has always been very prompt in the past. I will be sure to post the results.
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Post by jasonkehl on Jan 13, 2015 21:01:07 GMT -5
I heard back from David at Timberwolf and the trouble I've had with the cold weather is new to him. He suspects that the electronic start-up module, it gives the saw it's soft start feature, is not allowing the motor to draw enough current to offset the increased resistance created by the cold weather. He also suspects that once the saw is used more, breaks in and the brushes fully seat it may be better able to handle the cold. All in all his thoughts mirror mine and I find his answer acceptable.
It was -35 yesterday morning and the saw didn't work but did get closer to normal speed than my first cold weather try.
It was -23 this morning and the saw worked perfectly. I'm not worried about the cold weather performance at this point. The saw seems to be tolerating it better already than it did at first and if need be I can use an older saw when it's really nasty outside. It is a great saw, I haven't really pushed it's capabilities, but for standard 2x lumber has plenty of power, runs smooth and the weight is not really an issue. I will certainly have times when I will need the capacity and power and be glad to have invested in it.
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