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  1. #1
    Veteran Member canoetrpr's Avatar
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    Aug 2005
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    2,382
    Location
    Ontario, Canada
    Tractor
    Kubota M7040 cab/hyd shuttle - current, Kubota L3400 - traded

    Default Cautionary tale. Check your Shear Bolts and get a fire extinguisher for your tractor

    Good day friends. I haven't been on here in a while. I hope that this experience I have had will save someone else the hazard.

    I purchased my Meteor 75" pull type snowblower with my kubota M7040. As luck would have it I never got to use the blower last year as we had such a mild winter. This winter, we just had a storm worth blowing and I was thrilled to go out and blow this morning.

    About half way through I noticed that the blower was bogging up. There was just over a foot or so of snow. I went to lift the blower but realized that it was no longer blowing any snow. If you have ever had a PTO shear pin break on you - it was just like that. I figured that one of my dogs must have done what they often do and left a piece of firewood that they steal from the wood pile on the driveway. I look behind the cab as I normally do in such instances just to confirm what the status of the shaft is expecting that it just would not be spinning and WHOA! My shaft has been torn off into two pieces. The one attached to the tractor is spinning all over the place and not only that, the wildly spinning around tractor end of the shaft is on FIRE!!!

    I stop the tractor, run in the house and grab a fire extinguisher that we bought some 7 years ago upon the recommendation of our insurance agent when she was doing an inspection. I was able to put the fire out quickly with no damage to the tractor. It was the grease on the shaft that was on fire.

    As I suspected, when I took the shaft off the blower, I found that the shear bolt was still intact and some IDIOT who had put the shaft together had put a GRADE 8 bolt on for the shear bolt!!. I cannot still get the tractor end of the shaft off. I normally slides right off when the collar is pulled forward but I wonder if it may have something to the heat but it is not sliding off. I will have to go work on that another day.

    I called my dealer and unfortunately the owner and service manager are out. They have been nothing by great with my tractor thus far on the couple very minor things that have come up. I'm sure they will be appalled to hear about the shear bolt. I talked to a guy at the parts counter and he was surprised to hear it and confirmed for me that the shaft comes totally assembled from the blower manufacturer and they just put it on. I'll be advising my dealer that they ought to check all the shear bolts to ensure this is avoided.

    So far everything seems to be in working order. I have no idea what the shock has done to my driveline but it seems to be spinning the shaft fine.

    My suggestion to my fellow tractoring friends.

    1. Go out now and check any shear bolts on your implements which have not been install by you yourself. It will only take a few minutes but it will save you a lot of trouble if someone made the same mistake.
    2. Purchase a fire extinguisher for your tractor. I did not have this and I don't want to know what would have occurred if I was far away from the house and this was a mower on a hot dry summer day rather than a blower. I will be getting a few right away. One for each tractor, one for each floor on the house.
    Current: Kubota M7040 cab, hydraulic shuttle, Kubota M20 loader (made by ALO), LandPride RCR1872 rotary cutter, Horst bale spears & forks, Woods HB72 box blade, Kodiak 7' rake, Walco cultivator, chain harrow, Meteor 74" pull style blower

    Traded: Kubota L3400, LA473 HST (300 hrs), and various attachments

  2. #2
    Veteran Member bigtiller's Avatar
    Join Date
    Feb 2006
    Posts
    1,945
    Location
    central Iowa
    Tractor
    JD 2720

    Default Re: Cautionary tale. Check your Shear Bolts and get a fire extinguisher for your tra

    I have a 10 pound Halonite extinguisher at each end of my garage but none on the mower. That's a good idea you have, I'll have to look for a spot for a small one on my 2720.
    HAVE FUN

    Life is easier when you plow around the stumps.


    2720

  3. #3
    Veteran Member Gordon Gould's Avatar
    Join Date
    Apr 2007
    Posts
    2,165
    Location
    NorthEastern, VT
    Tractor
    Kubota L3010DT, Dresser TD7G Dozer

    Default Re: Cautionary tale. Check your Shear Bolts and get a fire extinguisher for your tra

    Thanks for the story. A good reminder of how little things can cause big trouble. I am glad you were able to keep things under control. I have thought for a while that I should have an extinguisher on the tractor but just haven't gotten around to it. I will make a point to do it now.

    gg
    "If you're not making any mistakes then you're not doing anything"

    L3010DT, Farmi JL290 Winch, ATI Grapple, BearCat 5" Chipper, 6' Rear Blade,
    7' Sickle Bar, 5' Land Plane Grading Scraper, Dresser TD7G Dozer

  4. #4
    Super Star Member k0ua's Avatar
    Join Date
    Jun 2009
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    15,671
    Location
    Branson, Mo.
    Tractor
    Kioti DK35se Hydrostat

    Default Re: Cautionary tale. Check your Shear Bolts and get a fire extinguisher for your tra

    It probably didn't seem very funny at the time but a spinning shaft of death flailing around the back of the tractor is one thing, but being on fire too!
    sure would have made a heck of a video, might have won some money on Americas Funniest Home Videos! Glad you "took care of business" quickly.

    James K0UA
    James KUA

    Kioti DK35se hydrostat with 2 QA buckets, 48 inch. King Kutter Rotary Cutter. 750 lbs ballast box. Loaded tires, Construction Attachments SSQA Lightweight Pallet forks. EA 50 inch single lid "wicked" Grapple. Satisfied Everlast PA160 welder owner How to add a link to a post . Best way to search TBN


  5. #5
    Elite Member Baby Grand's Avatar
    Join Date
    Nov 2007
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    3,813
    Location
    Windsor, CT.
    Tractor
    Kubotas: L3240GST B2320HST B5100D & G5200H

    Default Re: Cautionary tale. Check your Shear Bolts and get a fire extinguisher for your tra

    The fire extinguisher is something I don't carry on the tractor, but really should.
    Having one right when you need it, as Canoetrpr demonstrated, can really save your bacon.
    I think I could rig a bracket on the ROPS that would even look somewhat sporty.
    That's the problem with trouble.
    It always starts out as such fun."
    - Randall Brown

  6. #6
    Elite Member Zebrafive's Avatar
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    Aug 2010
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    3,069
    Location
    South West MI
    Tractor
    John Deere 2030, John Deere 6415

    Default Re: Cautionary tale. Check your Shear Bolts and get a fire extinguisher for your tra

    Quote Originally Posted by Baby Grand View Post
    The fire extinguisher is something I don't carry on the tractor, but really should.
    Having one right when you need it, as Canoetrpr demonstrated, can really save your bacon.
    I think I could rig a bracket on the ROPS that would even look somewhat sporty.
    Plus one
    John Deere 2030 JD 245SL Loader
    John Deere 6415 mfwd JD 640SL Loader

  7. #7
    Elite Member
    Advertiser
    MtnViewRanch's Avatar
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    Mar 2005
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    7,697
    Location
    4000\' mountains of Southern California
    Tractor
    Mahindra 7520, Mahindra 3215HST, Case 580 extendahoe, Case 310 dozer, Parsons trencher, Cat D6,

    Default Re: Cautionary tale. Check your Shear Bolts and get a fire extinguisher for your tra

    Easy and clean. 2 hose clamps and 1 fire extinguisher.
    Attached Thumbnails Attached Thumbnails -3215-fire-extinguisher-jpg  
    Brian
    Top and Tilt Kits by Fit Rite Hydraulics

  8. #8
    Veteran Member canoetrpr's Avatar
    Join Date
    Aug 2005
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    2,382
    Location
    Ontario, Canada
    Tractor
    Kubota M7040 cab/hyd shuttle - current, Kubota L3400 - traded

    Default Re: Cautionary tale. Check your Shear Bolts and get a fire extinguisher for your tra

    Very clean Brian. I've got to figure out where I can put one in the cab without too much drilling.
    Current: Kubota M7040 cab, hydraulic shuttle, Kubota M20 loader (made by ALO), LandPride RCR1872 rotary cutter, Horst bale spears & forks, Woods HB72 box blade, Kodiak 7' rake, Walco cultivator, chain harrow, Meteor 74" pull style blower

    Traded: Kubota L3400, LA473 HST (300 hrs), and various attachments

  9. #9
    Bronze Member
    Join Date
    Dec 2012
    Posts
    83
    Location
    Western NC
    Tractor
    green

    Default Re: Cautionary tale. Check your Shear Bolts and get a fire extinguisher for your tra

    Sometimes my drivelines heat up when under a load, like the round baler, and that heavy shaft gets stuck on there. A little squirt of kroil, and just a little bit of persuasion with a pry bar and it's off. Hopefully yours is that simple.
    *JD 5085M *JD 6110 w 640 loader *JD 6330 *AC F2 Gleaner *Ford 7.3 Powerstroke x 4

  10. #10
    Gold Member
    Join Date
    Nov 2005
    Posts
    475
    Location
    Colebrook, N.H.
    Tractor
    Kubota L3830HST

    Default Re: Cautionary tale. Check your Shear Bolts and get a fire extinguisher for your tra

    Really glad to hear that since you were home and near a fire extinguisher things turned out okay. I think of fire extinguishers as cheap insurance policies, you get them and hope you never need them. I have them all over the place, and one with each vehicle, but here's another thought - it's important to check their gauges and replace or recharge if necessary. Example: I put a fire extinguisher on the tractor's roll bar years ago. One time while bushogging I backed under a low branch and the extinguisher got set off for a short burst. That was a surprise! The gauge now reads a little low. They say that setting them off even once breaks the seal, allowing them to leak down. The point is, this story gives me the incentive to replace that little sucker before I actually need it. I also read that the constant vibration of being on the tractor can compact the contents of the extinguisher to the point where it might not work. Don't know if that's true or not, but I figure why take a chance. I'm putting this on the top of my to-do list.
    -Jim

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