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  1. #1
    Gold Member
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    Jul 2007
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    472
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    Ohio hill country
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    2006 TC45A

    Default How often do you change your brush hog blades or ever?

    My bought new brush hog has been used for 5 years now and the cut does not seem as crisp as when new or what I remember whan it was new. Have been BH approx 9 acres every several weeks spring summer and early fall.

    Can these blades be sharpened or just replaced? If I recall they were not real sharp to begin with and from what I have read are not supposed to be real sharp anyway as a sharp blade will create pungy sticks with sapplings.

    Am I getting to the point they need replaced based upon what I have used them for so far or am I just imagining the cut is not as good??
    2006 TC45A

  2. #2
    Super Star Member brin's Avatar
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    Georgia - Mt. Vernon by The Store just 5 miles east and right by the big oak tree then to the creek.

    Default Re: How often do you change your brush hog blades or ever?

    Bush hog blades are not supposed to be knife edge sharp but rather blunt but not rounded...you can take a grinder and raise your bush hog...put supports under it for your safety and then wearing gloves hold each blade and put a square edge back on them..You might find a picture on the internet or go to Tractor Supply to look at a new blade and get an idea of what the edge is supposed to look like...it is flat.and the ends of the blade should be ground square...that is what I do..see what others have to say.
    Bob

    WORRYING does not take away tomorrow's TROUBLES, it takes away today's PEACE.


    NH - TC-29 , FEL, Bush hog, Bush hog brand finishing mower, Post hole digger, 6' Back blade, sub-soiler, Pallet forks, 20KW PTO Generator , 21 hp Murray Mower
    JD -3020 with FEL and a 16 HP. K-Grow Lawn Tractor (bought from K Mart 1994) and runs great !
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  3. #3
    Epic Contributor Soundguy's Avatar
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    Central florida
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    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: How often do you change your brush hog blades or ever?

    They should be sharpened as per use.

    if you cut alot.. inspect them alot.

    for the average user, a sharpening every spring before use is good enough. remember that you only need to sharpen them down to about a 1/16 blunt edge. this helps them survive rock hits better and also tends to shatter brush instead of cutitng them into sharp punji sticks that poke holes in tires. shattered brush dies faster than a clean cut.

    replacement? as needed.. unless you are mowing lots of boulders, and are doing just regular cutting.. I can sure see 20ys on a set of blades.


    if you find rock nicks.. just dress them with a file.

    inspect for cracks or missing pieces. cracks or missing pieces.. repalce immediatly.

    soundguy

  4. #4
    Super Star Member
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    Mar 2009
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    15,746
    Location
    Missouri
    Tractor
    Kubota, John Deere, Case, Massey Ferguson, Ford

    Default Re: How often do you change your brush hog blades or ever?

    Pretty much what everyone else said, take it back to the original profile and do not round the ends.
    Thread on helpful tractor abbreviations: http://www.tractorbynet.com/forums/o...-acronyms.html

  5. #5
    Gold Member
    Join Date
    Jul 2007
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    472
    Location
    Ohio hill country
    Tractor
    2006 TC45A

    Default Re: How often do you change your brush hog blades or ever?

    Thanks for the info


    I grease the u joints, rear wheel, pivot, safety cover etc every 8 hours.

    I have never greased the expandable slip shaft on the drive shaft ever. Never thought about it to be honest. I'm going to unhook the shaft from the pto tonight and pull it apart and grease it.

    Do you all grease this part of the shaft??

    My dealer said you would be surprised how many only grease their u joints etc every couple months or even once a season on their brush hogs.
    2006 TC45A

  6. #6
    Epic Contributor Soundguy's Avatar
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    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: How often do you change your brush hog blades or ever?

    yes.. the drive shaft needs grease. my jd driveshafts have grease tittings half way down the shaft even.

    soundguy

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