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What direction to turn nut to remove blade from an HU625AWD LAWN MOWER

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Turn to Left. The blades on many brands of walk-behind mowers rotate to the right, the clockwise direction, when you are mowing. To remove the blade, you must turnthe blade's retaining bolt to the left, or counterclockwise. The important thing here is that you put a 2 x 4 or a block of wood to stop the blade from turning. If you have it, a blade lock is best. If you don't have it and the blade is sharp, you may want to wear some gloves.

I hope this helps you out!

Posted on Apr 30, 2017

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Normal right hand thread so counter clockwise to undo

Posted on Apr 30, 2017


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I cannot remove the blade from my B&D MM575 mulching mower. The manual says to block the blade, then loosen the nut. However, when I block the blade and turn the nut, the shaft continues to turn,...

You can use a pipe wrench on the shaft and a regular wrench on the nut. Disconnect your spark plug and tip the mower onto it's left side. You will have to use your left hand to go down through the mower shoot to hold the pipe wrench and your right hand to unbolt the the blade attaching bolt, it should come off immediately.
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What holds mulching blade to lawnmower?

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To remove the blade, does the bolt turn clockwise or counterclockwise?

As viewed from beneath, the bolt is loosened by turning it counterclockwise. They are generally pretty darn tight. Use a block of wood to hold the blade from rotating. A rubber mallet to encourage the wrench usually helps too. By the way, the rule for which way to loosen a bolt or nut that holds a blade by it's center is that loosening is in the same direction as the blade normally turns. This is because the work (the grass in this case) tries to resist the blade and therefore pushes against the direction the blade is turning - and that MUST be the direction that the blade would be tightened (otherwise it would be loosened in the course of using it!). This applies to lawn mowers, edgers, circular saws, grinders, etc. I have never found an exception to this rule. Good luck, Al K

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Replace blade on electric lawn mower


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