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Shredding with 8N Fundamentals

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Armando

09-18-2007 17:30:26




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As previously menntioned, I just bought a use 8N for shredding primarily. I had an Allis Chalmers. My question is do I need to raise the RPM when shredding? Or, if you raise the RPM, does it not make the shredder turn any faster on the 8N? With the Allis, I had to raise the RPM so the shredder would turn faster to get a good cut. I did not find anything on the 8N 50 tips. I have used it going on 2nd gear but raise the RPM (gas lever to the end) and it over heated. There is a difference in speed of the tractor when I move the gas lever to the end. I did not find a thermostat on the upper hose. I am sure the timing is good. So, your feedback is appreciated. San Antonio, TX

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Bruce (VA)

09-18-2007 17:45:21




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 Re: Shredding with 8N Fundamentals in reply to Armando, 09-18-2007 17:30:26  
Regarding the overheating, the most common reason for an N to over heat is over filling the radiator. (check out tip # 23, below as well as tips 25 & 35)

If the radiator is not overfilled, check for low coolant, a loose fan belt, debris in the radiator fins or a stuck thermostat. A bad water pump will usually squeak or leak.

You really should have a thermostat in the tractor; tip # 25 tells you the reasons.

Regarding the PTO speed, rule of thumb is 3/4 throttle gets you 540 PTO RPM. Or, you can do the math. PTO RPM = Engine RPM divided by 2.75. Max engine speed is supposed to be 2200 RPM. 3/4's of 2200 RPM is 1650 RPM. 1650 divided by 2.25 = 600 RPM. Close enough for government work.

Yes, when you move the throttle lever, the engine speed increases as well as the PTO speed. If you want a slower ground speed, use a lower gear.

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Dunk

09-18-2007 17:36:44




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 Re: Shredding with 8N Fundamentals in reply to Armando, 09-18-2007 17:30:26  
If you are talking about bush hoggin "shredding" it is all according to what you are bush hogging, I have places that I can barely hog in 1st gear wide open if I let it git tall.

Then there is a smoth field I can hog in higher gear slower.

Keep you gear low enough, and your engine fas enough to what you are workin.

All that said, my governor works good, I run my 8N full governored throttle most of the time according to what I am doing.

Others may dissagree...

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