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Farmall & IHC Tractors Discussion Forum
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georgeky (RE: b-hog blades)

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JMOR

08-26-2007 09:47:14




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Back on Aug 17 you suggested that I might have the left & right blades swapped. Difference? Is it the flip up on back side that some have? If so, then it probably doesn't matter on mine as they a simple flat blades, sharp on both sides. However, now that I've had time to re-visit this problem, I did notice that the bolts holding the blades to the center bar have Right hand threads on the left side of hog and Left hand on the right side of hog.(as viewed standing behind and looking in the direction of travel).
I assume this it to keep from loosening these when a blade encounters a hard object??
Also, once I cleaned it up a bit, I saw remnants of decals that indicate "proper direction of rotation" with arrows showing left side as CCW and right as CW. Given some of the August posts & my visit to the local tractor equipment dealer to see new HOWSE b-hogs, I thought this was odd, in that it, as was mentioned before, then slings the debris field forward toward the tractor as well as into a position to have to re-cut it. By all indications of common sense, new HOWSE unit, some of the posts, etc. , it seems like they should be right side=CCW & left side CW. Well, at wits end trying to get this thing to cut, I flipped the center gear box upside down (casting & bolt holes line up to make this work out just fine). Cut about an acre or two for trial & I believe it is better, but need to get it back on same tractor I usually use to be certain. Another question related to right hand/left hand bolts is that now that I have reversed rotation, if they are that way to prevent loosening, I guess I need to swap them too, if I leave the rotation reversed.

And if anyone, in addition to "georgeky" has any useful input on this you are certainly welcome to join in!

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SuperA-Tx

08-26-2007 14:44:30




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 Re: georgeky (RE: b-hog blades) in reply to JMOR, 08-26-2007 09:47:14  
You have a rotary cutter that has a single spindle if I read it all correct.

Since your blads are straight and sharpened on both sides it shouldnt matter which way it rotates or how the blades are mounted like on ones with a drop blade and just sharpened on one side.

I think the problem may be in the way you have the deck set to mow. The front of the deck should be at least level with the back if not a little lower. Also by having the front lower you arent having to cut the grass over and over at lower depths each time the blades contact the grass.

By having the back of the deck higher the discharge should go out the back and not the front.

Try it and see if that helps.

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JMOR

08-26-2007 15:15:22




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 Re: georgeky (RE: b-hog blades) in reply to SuperA-Tx, 08-26-2007 14:44:30  
I appreciate your response & will try the forward 'rake' on the deck. One clarification, though, it is a dual spindle & I have seen these both ways: left spindle turning CW, right turning CCW as well as those with left-CCW & right-CW. The former makes sense to me as it should yield primary discharge to the rear (don't drive over debris again) & not throwing debris forward to tractor/driver. But this one of mine still has the decals showing dir of rotation on it and was set up as the latter, but given it's poor performance , I have now reversed it. I believe it is a somewhat better.

Do you or anyone know if there is a standard or is it common for them to be either way. Someone a few weeks ago said some JD models were like the latter (above).

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Janicholson

08-26-2007 13:19:38




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 Re: georgeky (RE: b-hog blades) in reply to JMOR, 08-26-2007 09:47:14  
I would not change the bolts (unless they are through bolts with heads and can be changed easily) I would use red Locktite on clean bolts and go mowing. JimN



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georgeky

08-26-2007 10:22:08




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 Re: georgeky (RE: b-hog blades) in reply to JMOR, 08-26-2007 09:47:14  
Don't really know, I just thought to begin with that the blades may have been on the wrong side. Blades on my Bush Hog brand and BMB mower are only sharpened on one side and are turned up on the back side as they are for suction to lift the grass. Maybe someone else will know more about your problem.



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