Question about Black & Decker 19" Electric Lawnhog Mulching Mower with Rear Bag

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Removal of blade from black & decker lawn mower gx530

I used penetrating oil for weeks and am still unable to remove the blade from the lawnmower gx 530. Any suggestions of how to do it?

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  • pwillie27 Jun 25, 2008

    B&D MM850 - Extreme vibration - I tried to remove Blade.
    The blade is loose on the spindle. How do I remove Blade?
    The retaining nut free wheels in both directions.

    This mower belongs to a neighbor widow lady. I would like
    to help her. HELP



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I used impact gun with 3<4 socket and run the impact in reverse

Posted on May 29, 2008


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Something just like this happened earlier this year with my pressure washer. This is what I did to fix it and now it runs great. Check the oil. If it's black or feels the least bit tacky, drain a pint or two of the oil out and re-add that amount of Marvel Mystery Oil. Now, attempt to pull the cord all the way out, but slowly at first. It should get easier to pull after about 5 pulls. If the mower restarts, let it run for 10 minutes until the Mystery Oil is hot and has cycled around inside the engine. Then drain that oil and refill it with a quality brand of oil. To top it off, either clean or replace the air filter, and put a shotglass of Lucas gas & injector cleaner into the mower's full gas tank. I also do this to my lawnmower and weedeater. It works wonders. BTW...If you're unable to turn the engine over by pulling the cord, remove the spark plug and tilt the mower up, so you can turn the blade easily by hand (use gloves). BUT FIRST MAKE SURE THAT SPARK PLUG IS REMOVED. REMEMBER... SAFETY FIRST! Let us know if this helped you any.

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all switch off for safety. hold the blade & turn nut to counter clockwise. i use impact gun. socket 3/4".

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