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8N Brush Hog ORC
:

trying to figure this out

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John

06-20-1999 20:37:57




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When the energy is sent back from the spinning brush hog thru the PTO does it go directly to the tranny even if the clutch is depressed? Am I right in assuming the clutch disengages the engine from the gear box but the tranny and PTO are still connected and therefore are both still moving because of the spinning brush hog?
I plan on getting an ORC but would like to better understand how the problem is caused.
Any suggestions on cleaning up slightly rusty grey sheet metal without repainting.
Thanks

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WFK (WA)

06-21-1999 06:38:08




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 Re: 8N Brush Hog ORC - trying to figure this out in reply to John, 06-20-1999 20:37:57  
there is a product called ospho. Its a solution that breaks down rust on bare or painted steel. I found out about it while working onboard a fish tender in Alaska. Should be able to get it at your local hardware or lumber yard.



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bg

06-20-1999 21:05:37




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 Re: 8N Brush Hog ORC - trying to figure this out in reply to John, 06-20-1999 20:37:57  
The ORC is like the freewheel on a bicycle drive wheel. It is a one-way clutch that slides on the splined end of the pto shaft and has no relation to the clutch and transmission other than through the revolutions of the pto shaft.

As long as the pto shaft is driving, the one-way clutch transfers energy to the mower. When the pto shaft is engaged it drives directly from the transmission. If the flywheel rpm(momentum) of the mower becomes greater than the driven speed of the pto shaft(such as when the clutch is depressed and power is no longer being supplied from the engine)the onew-way clutch allows the shaft to stop while the mower loses momentum.

Back to the bicycle analogy: if a bicycle drive wheel didn't have a free-wheel device, then when you went down a hill, you would have to pedal faster and faster as the momentum increased and the rpm of the wheel increased. The free-wheel allows the crank to remain still while the momentum continues.

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