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Bush hog leaving strip

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Stanton

07-02-2001 20:20:27




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I have a 285 bush hog. The problems is that it is leaving a strip about 1-2 foot wide on the right side that is not cut nearly a clean as the left side. Owner's manual said 1. check for debris under mower. None. 2. Check for levelness. Is level. 3. Worn blade. Figured it must be 3. Replaced blades and still have problem. By the way, I thought is might be moisture content in grass and tires might be knocking grass down and it was not coming up fast enough with the combination of the counter clockwise location of blades throwing grass to that side. Well, I backed up in grass where tires were not a factor and still did not cut right side good. Any suggestions.

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Jimbo

07-06-2001 20:49:00




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 Re: bush hog leaving strip in reply to Stanton, 07-02-2001 20:20:27  
Are you using suction or flat blades? If using suction be sure that they are correct blades for your model, with the right rotation. I have seen new mowers shipped from the mfg. with wrong suction blades installed, where by they were trying to cut on the back side of the blade, not the sharpened side.



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Mark

07-05-2001 14:17:42




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 Re: bush hog leaving strip in reply to Stanton, 07-02-2001 20:20:27  
You might try using a mower antisway device, assuming its 3 pt. I pull a 6 ft. mower on my IH404 and even with the standard 3 pt. sway chains snugged up, I was still getting a lot of sway rounding corners and on hill sides leaving strips. One of the accessory mower antisway kits that attach at the lower links of the 3 pt. helped. I can now get by with about only 6" of overlap. It used to be 12-18".

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RayP(MI)

07-03-2001 17:33:56




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 Re: bush hog leaving strip in reply to Stanton, 07-02-2001 20:20:27  
Are you traveling clockwise or counterclockwise?
I have better luck going counterclockwise - unmowed grass on left side of tractor. That way, the grass your tire knocked down on the previous round gets picked up by the blade traveling backward, against the knocked down hay.



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RickB.

07-03-2001 14:03:19




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 Re: bush hog leaving strip in reply to Stanton, 07-02-2001 20:20:27  
In lush, actively growing grass, that is just about normal. The taller the grass, the bigger the problem. The solution is to pick up the wheel track on the next pass with the rearward-travelling blade on the left side of the cutter. As you already know, you need a wider cutter for that acreage.



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Bush hog Dr.

07-03-2001 06:40:48




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 Re: bush hog leaving strip in reply to Stanton, 07-02-2001 20:20:27  
Make sure the blades are on properly and the cutting edge forward.

Make sure the blades are sharp and square on the ends, that is where the cut is made on all rotary blades. If they are rounded the grass will not be cut very well.

Make sure you are turning the blades at designed speed. They are designed to run at 540 RPM at the PTO. Use your tractors gear box to control the speed of the tractor. Don't idle in top gear.

Is your grass just plain tough? You might have to reduce the area you are cutting. Don't take as big of a swath.

Are you traveling to fast. Slow your ground speed and see what happens.

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Bush hog Dr.

07-03-2001 06:40:38




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 Re: bush hog leaving strip in reply to Stanton, 07-02-2001 20:20:27  
Make sure the blades are on properly and the cutting edge forward.

Make sure the blades are sharp and square on the ends, that is where the cut is made on all rotary blades. If they are rounded the grass will not be cut very well.

Make sure you are turning the blades at designed speed. They are designed to run at 540 RPM at the PTO. Use your tractors gear box to control the speed of the tractor. Don't idle in top gear.

Is your grass just plain tough? You might have to reduce the area you are cutting. Don't take as big of a swath.

Are you traveling to fast. Slow your ground speed and see what happens.

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stanton

07-03-2001 09:03:25




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 Re: Re: bush hog leaving strip in reply to Bush hog Dr., 07-03-2001 06:40:38  
The blades are brand new and properly installed. I have tried all suggestions you have mentioned and still have the problem. It does not seem to matter what type of grass, thickness or height. I can solve the problem by extreme over-lapping but that is hard to do when trying to mow 60-70 acres with only a 5' mower.



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Duane

07-03-2001 12:59:51




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 Re: Re: Re: bush hog leaving strip in reply to stanton, 07-03-2001 09:03:25  
It almost sounds like the blade is hanging crooked. Is it possible that the right side is hung higher than the left, even though the deck is level?



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Duane

07-03-2001 13:04:46




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 Re: Re: Re: Re: bush hog leaving strip in reply to Duane, 07-03-2001 12:59:51  
Another suggestion. Check for an obstruction on the under side of the deck that prevents the blade from making its full swing on the right side of the mower. Although I'd think you'd hear a nasty sound or vibration if the blade were hitting something.



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paul

07-03-2001 21:36:01




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 Re: Re: Re: Re: Re: bush hog leaving strip in reply to Duane, 07-03-2001 13:04:46  
That makes me think maybe a loose tin piece that doesn't let the grass flow in right?

--->Paul



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Bill in Anza

07-04-2001 12:13:37




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 Re: Re: Re: Re: Re: Re: bush hog leaving strip in reply to paul, 07-03-2001 21:36:01  
Well it sounds like you should send it out to me so I can correct that problem for you. Shouldn't take more than a year... Will be the cuttin-st thing since Gillett. If you can't ship it, don't drive it... Its hotter n h..... in deathvalley.
Hey best of luck.. I'll be watching for the solution BILL



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