Cracked lazer front frame

Discussion in 'Lawn Mowing' started by mountainviewland, Aug 4, 2001.

  1. mountainviewland

    mountainviewland LawnSite Member
    Posts: 46

    This is a picture of the crack. It has been fixed once already but its cracking again so I will replace it. One of my workers hit something hard enough to bend the weight bar to a V, but does not know how it happened. "must of just broke or something" Just wondering if this has happened to anybody else.

    crklzr2.jpg
     
  2. jnjnlc

    jnjnlc LawnSite Member
    Posts: 231

    Is this a common problem with the Lazer. I have a Toro which I think is the same frame. If this is common I guess I should look out for it.
     
  3. leaflawnandlimb

    leaflawnandlimb LawnSite Member
    Posts: 198

    not common, just abused.
     
  4. Richard Martin

    Richard Martin LawnSite Fanatic
    Posts: 14,700

    It also looks like the mower has a considerable number of hours on it. These machines do wear out.
     
  5. Alan

    Alan Member
    Posts: 1,185

    That crack is not the result of one impact to the weight bar, in order to do that from one hit the frame would be bent badly. What you've got is a crack resulting from long term stresses being concentrated right at the end of the plate where the lift quadrant attaches. Too many hours of running too fast over rough ground. I tend to run my Lazer pretty hot and heavy but so far nothing like that has shown up.

    Easy to fix, obviously it wasn't done right the first time. The tube needs to be ground out to allow a full penetration weld. Then any reinforcing plates should be tapered on the ends to spread the stress over more area than the square cut plates allow. Look at reinforcing plates (factory done) on an excavator or backhoe boom, they end in a taper, and often the welds trail off onto the plate before they end.

    Repeated, low magnitude vibration can destroy some very heavy steel sections. The load they create is small, compared to major impacts which would deform rather than break, but when there is something to localize the stress things crack.
     
  6. TLS

    TLS LawnSite Fanatic
    Posts: 7,937

    I could do a stick weld glob-job blindfolded better than that! Come on~! If it was a newer machine, just get a left side outrigger and replace it.
     
  7. crazygator

    crazygator LawnSite Bronze Member
    Posts: 1,048

    Looks like to me the exact spot where everything flex's, and therefore caused a stress fracture. I think your guys are doing some jumps or something to cause that..haha. Anyway as stated above, get a certified welder to fix it right and you should be all set to go. I would also weld the other side because that area is a weak link now, with one side already cracked. Also do a really good visual check for everything around the same spot above and below, you may have more damage than you can tell. May also be time for a new mower!
     
  8. awm

    awm LawnSite Gold Member
    Posts: 3,354

    mine is 6 yrs old and looks new next to that one.
    man that baby is living hard. it worries me that i may do something to get mine off square but despite some pretty good licks ,everything is the same as new. not many mowers woulk hold up as well as this lazer.
     
  9. Eric ELM

    Eric ELM Husband, Father, Friend, Angel
    Posts: 4,831

    awm, if I remember right, you bought that used this spring. That had some low hours on it for that old. I've put 600 hours on a 2001 and I only mow 3.5 days a week, so you must work less than me. :D

    I agree with others, that frame looks like it has had a rough life, but I have seen mowers at dealers with 50 hours on them and they looked like they had 5,000 hours on them. :(
     
  10. awm

    awm LawnSite Gold Member
    Posts: 3,354

    you are double right about not working enough. this z is so much faster that im having to wait until the buisness catches up.
    its slow but steady. what i really need is about 4 good full days of mowing . that will fit the buisiness and money requirements.
    i have to leave some time for some other type handyman jobs.
    eric those estates you show pictures of ,indicate to me you have found your niche. i have several large placeses as in mabe 10.
    the rest are 1/2 to 3/4 acres
     

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