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  1. #1
    Silver Member
    Join Date
    Jul 2001
    Posts
    170
    Location
    East/Central Missouri
    Tractor
    Kubota B7500HST (Kobi)

    Default Toothbar installation

    I just received a new toothbar for my LA302 yesterday from Carver. Its looks to be a very well made and substantial piece of hardware [img]/w3tcompact/icons/smile.gif[/img][img]/w3tcompact/icons/smile.gif[/img][img]/w3tcompact/icons/smile.gif[/img] As most of you probably know, I now have to drill a 3/4 inch hole in each side of the FEL to bolt it on. My drill is an old 3/8 inch B&D VSR corded drill, which has always worked well. Can I just go buy a 3/4 inch drill bit with a 3/8 inch shank and "have at it" [img]/w3tcompact/icons/tongue.gif[/img] I normally do not drill in such thick metal, so I'm not sure what to expect. Should I use oil while drilling?

  2. #2
    Silver Member
    Join Date
    Dec 2001
    Posts
    175
    Location
    rural illinois
    Tractor
    jd 4100

    Default Re: Toothbar installation

    pilot drill the hole, i would start with a 1/4".

    then redrill with a 1/2"

    then, slap that necked down 3/4 puppy in the drill and have at it.

    light oil will help keep the bit cool, and so will any liquid for that matter - except hot coffee

    by drilling it out in stages, it will make it much easier on you and the drill.

    you will be safer this way also.

  3. #3
    Platinum Member
    Join Date
    Apr 2000
    Posts
    754
    Location
    Saline, Michigan
    Tractor
    Kubota L3700SU; Hustler Super-Z 66in

    Default Re: Toothbar installation

    Make sure to keep the drill RPMs low when you drill.

    Flush the end of the drill free of chips, with oil or cutting fluid or WD40, about every minute. This may take a while to do. Don't be in a hurry.

  4. #4

    Join Date
    Apr 2001
    Posts
    112
    Location
    Greenville, Ohio
    Tractor
    2001 Kubota B2910

    Default Re: Toothbar installation

    The metal in the bucket is not all that hard, so drilling won't be all that strenuous. Just follow the above advice and it will go very smoothly.

    Joe W.

  5. #5
    Epic Contributor Bird's Avatar
    Join Date
    Mar 2000
    Posts
    37,899
    Location
    Texas

    Default Re: Toothbar installation

    The three earlier response are all correct; however, just off hand I don't recall seeing 3/4" bits for a 3/8" drive. Usually 3/4" bits are necked down to a 1/2" drive, but maybe you can find one that will fit your 3/8" drill. Another alternative would be to use a unibit, which you can get a Pep Boys, as well as other places, to make the bigger hole after you make a smaller pilot hole.

  6. #6
    Platinum Member
    Join Date
    Jul 2001
    Posts
    508
    Tractor
    L3410

    Default Re: Toothbar installation

    I placed a Carver purchased bar on my kubota FEL recently. I had to borrow a 1/2" drive to accomodate the 3/4" bit, and it took 2 bits (dulled 1 on each side of the FEL - yeah, they still worked, but real slowly). I agree with the pilot hole, and then the intermediate hole (3/8" drive works fine for such - select a corded drive if feasible - I ran down 2 batteries - 14v). Lots of lube, and a little patience (maybe 15-20 minutes), will assure you do just fine. You'll love the tooth bar (until you have to pick it up and carry it).

  7. #7
    Super Member
    Join Date
    Apr 2000
    Posts
    5,668
    Location
    Cedartown, Ga and N. Ga mountains
    Tractor
    1998 Kubota B21, 2005 Kubota L39

    Default Re: Toothbar installation

    Bird,
    I used a unibit---cone shaped bit for drilling varies size holes with one bit--- on my bucket and it zoomed right through. They are a handy thing to have for some jobs.

    MarkV

  8. #8
    Gold Member
    Join Date
    Nov 2001
    Posts
    323
    Location
    Northern Kentucky
    Tractor
    l245dt

    Default Re: Toothbar installation

    yes i agree unibits work great
    i use them just about daily in my line of work

  9. #9

    Join Date
    Apr 2000
    Posts
    57
    Location
    Fredericksburg, Texas
    Tractor
    Kubota L3710 HST

    Default Re: Toothbar installation

    I used a 3/4" hole saw in a 3/8" drill on mine, only took a few minutes on each side.

  10. #10
    Gold Member
    Join Date
    May 2000
    Posts
    473
    Location
    Hillsboro Virginia (near Purcellville)
    Tractor
    TC35D with 16LA Loader

    Default Re: Toothbar installation

    Funny I just got a toothbar from Carver too. I drilled a 3/16" pilot hole. I then bought a 3/4" (that fits a a 1/2" drill) PorterCable drill bit from Lowes. It cost $15 but I drilled throught the 1/8" bucket in about 15 minutes per side. I used WD40 and that worked pretty well too. I highly recommend a drill bit vs. grinding. I didn't get a chance to try my metal cutting jig saw blades. They might have worked well too.

    Peter

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