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  1. Teds

    Too Much Vibration. Model 7268

    Blade track isn't something that can be eyeballed, you have to actually measure the blade tip height on a level surface at 4 points. If it were that obvious, it would shake itself apart. Maybe I shouldn't have put so much emphasis on checking blade track, but it is an important and part of the...
  2. Teds

    Too Much Vibration. Model 7268

    Measuring Blade track or height at 4 locations is kind of a pain in the you know what. If you have a level workbench to place it on helps. Some variance in blade height is allowed but should be able to tell right away if it's off badly. The spec is 1/8" high or low, closer to spec or exceeding...
  3. Teds

    Too Much Vibration. Model 7268

    It is very important that the blade is straight, sharp, and balanced. The first thing you want to check is the blade track itself. Small differences will affect the quality of the cut in a big way. Shims (washers) of .025" and .035" are used to prevent "half moon" swirls and scalping. Placed...
  4. Teds

    do you sharpen your brand new blades?

    As mentioned, a razor edge isn't what we want on a lawn mower blade. They are typically a little dull however and can be improved. New blades should be checked for balance, straightness, and track. Any out of balance condition will rob horsepower and quality of cut.
  5. Teds

    Blade Tracking Add .025" Shim?

    Well installed the shim and am impressed with what a little blade tracking adjustment can do. Cut is noticeably improved. This is one of those attention to detail type things that's important. One detail I missed btw, one of square head bolt that secures the muffler plate, directly below the...
  6. Teds

    Blade Tracking Add .025" Shim?

    I'd like to correct a bit of swirling that I attribute to blade track definitely out of spec on 7268, one side measures a bit high not front to rear. It's more noticeable at lower cutting heights. But I'm a little unclear exactly where the shim is added. I'll figure it out but some advice...
  7. Teds

    Altitude Mixture Adjustment

    I rebuilt this engine over the winter, replacing the utility modular carburetor among other things, with a new reed plate and rebuilt a used D600 metal carburetor. It was dirty with old gummed fuel but cleaned up nicely. I replaced the needle and seat on general principles. All the internal...
  8. Teds

    Lawn Boy Owner Check-In --- Read This First!

    Greetings fellow LawnBoy nutcase... er, enthusiasts. I hope I found the right place. I refurbished a 7265 from top to bottom, we had one growing up. Mom bought dad this model for Fathers day as I recall, they had bought a new house and she said dad deserved a new mower to go along with it...
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