Torque on Blade Bolts

Discussion in 'Lawn Mowing' started by bob, Apr 27, 2003.

  1. bob

    bob LawnSite Platinum Member
    from DE
    Posts: 4,254

    The owners manual for my Grasshoppers say to torque the blade bolts at 55 ftlbs. My Gravely manual says torque the blade bolts at a whopping 115-120 ftlbs. PS. does anyone know were I can get a 24mm, 1/2 drive, 6 point socket?
     
  2. TurfGuyTX

    TurfGuyTX LawnSite Senior Member
    from DFW
    Posts: 648

    I bought one at Home Cheapo last year.
     
  3. I tryed to get an impact socket the same size yesterday and they only had 3/4 drive . I already have one but its a normal kind not for impacts . I just used it to take off ,y blades to sharpen them and it seems ok. It was bought from Snap-on
     
  4. fatboy5803

    fatboy5803 LawnSite Senior Member
    Posts: 330

    Have you tried Sears, Snap-On Tools, Mac Tools.....


    Lou :cool:
     
  5. Gravely_Man

    Gravely_Man LawnSite Silver Member
    Posts: 2,075

    I have that size socket from Sears. Check your Sears tool store or purchase online.



    Gravely_Man
     
  6. lawncare3

    lawncare3 LawnSite Bronze Member
    Posts: 1,981

    I either use two 12" adjustable wrenches or a gator grip and a adjustable wrench.
     
  7. bob

    bob LawnSite Platinum Member
    from DE
    Posts: 4,254

    I checked at Sears. They don't make this size. I also looked in their catalog.
     
  8. TLS

    TLS LawnSite Fanatic
    Posts: 7,937

    Because 15/16" = 23.812mm

    Why would Gravely (of all brands) use metric hardware?

    I could see Kubota doing this....
     
  9. Richard Martin

    Richard Martin LawnSite Fanatic
    Posts: 14,700

    I just serviced a Gravely 260 and a 15/16 will fit the blade bolts. The Gravely bolt is a strange bolt. It's a shoulder bolt and the blade fits over top of the shoulder. Good luck using doubles with this bolt.
     
  10. Gravely_Man

    Gravely_Man LawnSite Silver Member
    Posts: 2,075

    Bob, I checked last night and I sure do have a 24mm, 1/2 drive, 6-point socket plus a whole lot of additional points! Sorry about the misinformation. You are correct that Craftsmen does not make a 24mm, 1/2 drive, 6-point socket.



    Gravely_Man
     

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