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  1. #1

    Join Date
    Jun 2000
    Posts
    118
    Location
    Lower Hudson Valley New York
    Tractor
    B2710 FEL with a 72 inch mid mount mower and teltrax canopy

    Default Mower Blade Configuration

    I know I have seen it somewhere but like many things it escapes me for now where it was. I have a 72 inch MMM on my 2710 and have taken the blades off for sharpening and deck cleanout and remember reading somewhere about the placement of the blades when re-assembling. I have the work shop manual for the mower deck and have read between the pages but cannot seem to find the correct configuration.
    Anyone help me out with an answer??

  2. #2
    Veteran Member chim's Avatar
    Join Date
    Apr 2002
    Posts
    1,769
    Location
    Lancaster County, PA
    Tractor
    Kubota L3200, Ford 1210

    Default Re: Mower Blade Configuration

    Unless they are different lengths (had a riding mower like that once) I don't understand what info you are looking for. Since most decks connect multiple blades via belts rather than gears or chains, they will be at various relationships with each other as you mow along............chim

  3. #3
    Veteran Member Slamfire's Avatar
    Join Date
    Mar 2002
    Posts
    1,494
    Location
    Coker Creek, TN
    Tractor
    Mitsubishi D 1800

    Default Re: Mower Blade Configuration

    I guess you could put them on upside down, in which case they'd blow the grass flat instead of suckin' it up to get cut off.

  4. #4
    Platinum Member buppy69's Avatar
    Join Date
    Mar 2002
    Posts
    788
    Location
    Western NC
    Tractor
    Hinomoto E2804, Hinomoto N239,

    Default Re: Mower Blade Configuration

    The bent up part of the blade goes up.

    Eugene

  5. #5
    Gold Member
    Join Date
    Apr 2000
    Posts
    423
    Location
    Bucks County, PA
    Tractor
    Kubota B2400

    Default Re: Mower Blade Configuration

    I know the diagram he's referring to. I always thought it was a little weird to worry about the rotary positioning of each blade, but the manual calls for it. There's no chance of interference, so I figured it had something to do with cut quality/air flow/ grass flow, etc. Maybe with the double belt, the blades don't slip as much, and the orientation is maintained.

  6. #6
    Platinum Member
    Join Date
    Apr 2002
    Posts
    632
    Location
    Indiana
    Tractor
    New BX2200 4-3-02 (traded 6-08) new B2620 06-08

    Default Re: Mower Blade Configuration

    The 60" manual says do this periodically: \ / / ............

    You will have to see the manual to get it exact but this is close. Tom

  7. #7

    Join Date
    Jun 2000
    Posts
    118
    Location
    Lower Hudson Valley New York
    Tractor
    B2710 FEL with a 72 inch mid mount mower and teltrax canopy

    Default Re: Mower Blade Configuration

    Hoosier-Daddy was right on with the answer now I just need to know where the diagram is located in the manual for the 72 MMM.
    Thanks to all with the more creative answers.....I know it's just like sod....green side up

    Thanks
    Dale

  8. #8
    Gold Member
    Join Date
    Dec 2001
    Posts
    250
    Location
    Upstate NY
    Tractor
    Kubota B2910

    Default Re: Mower Blade Configuration

    Dale,

    That diagram had me wondering for awile as well. If you read it carefully it says to re-position the blades as indicated to get the most wear from them. I was assuming they meant the position of the blade at first, but if you read it and inspect the diagram closely, they are showing you how to rotate the blade from one spindle to the next like you do your car tires. This is due to one blade being used more than the next, depending on your habits and mowing conditions. At least I believe that is the diagram you refer to in your post. I have just changed my blades and can tell you that it is not difficult to turn them with the belt tight and PTO in gear, so them staying in a pre-set sequence is not possible in the case of the 72" belly deck.

  9. #9

    Join Date
    Jun 2000
    Posts
    118
    Location
    Lower Hudson Valley New York
    Tractor
    B2710 FEL with a 72 inch mid mount mower and teltrax canopy

    Default Re: Mower Blade Configuration

    Bayrat,
    You bring up an interesting point. I found the diagram in the operators manual not in the workshop manual where I originally thought I had seen it.
    The way I interpreted it was to position the blades in a certain configuration so as to feed the cut grass from the left blade to the middle blade to the right blade and then out the chute. This way the grass would not overload inside the deck and would be fed to each successive blade and then out.
    I realize that the blades can slip on the belt on a 72 but felt that this was a frame of reference to at least start with them in the right position to feed the cut grass.
    I have noticed that after re-positioning the blades as shown I have a lot more grass coming out the chute instead of clumping up under the deck and the mower doesn't seem to lug down in taller grass as it did before I re-configured the blades.
    I'll see how close the configuration is when I take the mower off again for cleaning.
    Thanks to all for the help

    Dale

  10. #10
    Gold Member
    Join Date
    Nov 2006
    Posts
    267
    Location
    frozen Canada
    Tractor
    1962 IH B414

    Default Re: Mower Blade Configuration

    I have a 3 blade, 60" mid mount cutting deck. If the blade closest to the chute is at 12/6 o'clock, the middle blade is at 2/8, and the third blade is at 10/4. Here is a pic. My old LT155 had a 42" deck with 2 blades and they were on a timing belt to be positioned perpendicular to one another, so I assumed these must have a proper positioning sequence. Does anyone know for sure?


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