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Author Topic: B20 Problems  (Read 1324 times)

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Offline ladylake

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Re: B20 Problems
« Reply #20 on: April 16, 2019, 06:36:19 AM »
The only time it got changed is when the seal pushed out around 4000 hours ago. I didn't buy any special oil. cant remember but most likely gear oil I had.  I really don't think a 1/4 hp or 3/4hp electric motor overloads those gears much. I do have a spare gearbox rated for over 1 hp input that I bought online for around $160 on hand just in case.   Steve
Timberking B20 15000 hours +  Case75xt grapple + forks+8" snow bucket + dirt bucket   770 Oliver   Lots(too many) of chainsaws, Like the Echo saws and the Stihl and Husky     W5  Case loader   1  trailers  Wright sharpener     Suffolk  setter Volvo MCT125c skid loader

Offline crowhill

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Re: B20 Problems
« Reply #21 on: April 16, 2019, 07:04:20 AM »
I once had a pretty good discussion with an engineer that told me one really needs be careful with their greases and hydraulic oils. Even tho there may be a very close rating of one to another some equipment seals and other internal parts have very different tolerances to the lubricants. It may take a long period of time for damage to occur but damage will occur. 
The engineers background was in design of molding presses using massive tons of pressure. Way beyond my mechanical self, but with $$ spend now or spend them later I guess. Says the guy who has used a cracker box and grease for a thermostat seal... once upon a time. 
TimberKing B-20, Kubota M-4900 w/FEL with tooth bar, hyd thumb and forks, Farmi winch, 4 chain saws.

Offline ladylake

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Re: B20 Problems
« Reply #22 on: April 16, 2019, 07:56:46 AM »
 
 We are not dealing with massive tons of pressure here, just a under 1 hp gear box, low speed .. Seems like most manufactures like everyone to buy their oil at inflated prices.   Steve
Timberking B20 15000 hours +  Case75xt grapple + forks+8" snow bucket + dirt bucket   770 Oliver   Lots(too many) of chainsaws, Like the Echo saws and the Stihl and Husky     W5  Case loader   1  trailers  Wright sharpener     Suffolk  setter Volvo MCT125c skid loader

Offline Two Trax

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Re: B20 Problems
« Reply #23 on: April 16, 2019, 08:08:39 AM »

 We are not dealing with massive tons of pressure here, just a under 1 hp gear box, low speed .. Seems like most manufactures like everyone to buy their oil at inflated prices.   Steve
Steve I tend to agree with you here. I do not see this component as being in anything near severe service.

I am a maintenance nut, but do not believe in throwing money away. As an example I do not use manufacturer oil in my equipment,  but certainly pay attention to specs required and use quality products. Example, I do not use John Deere oil in my John Deere tractors. Perfectly happy with Shell Rotella, Mobil Delvac etc which I can buy at half the cost.
Livin the dream!

Offline luap

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Re: B20 Problems
« Reply #24 on: April 16, 2019, 02:07:00 PM »
In the plant I worked in we used Mobile 600 shc series in very large worm gears (3 foot diameter) turning a 8 foot diameter drum) and Mobile 600w series in normal smaller worm gears. It had the appearance of black crude. almost all of this equipment ran 24/7. oil levels checked routinely and changed annually.


 






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